USING: accessors alien assocs combinators.short-circuit compiler.cfg
compiler.cfg.comparisons compiler.cfg.dce compiler.cfg.instructions
compiler.cfg.registers compiler.cfg.representations
compiler.cfg.ssa.destruction compiler.cfg.utilities
compiler.cfg.value-numbering compiler.test cpu.architecture kernel
layouts literals math namespaces sequences system tools.test ;
! need cfg simd loaded for some tests
USE: compiler.cfg.value-numbering.simd
QUALIFIED-WITH: alien.c-types c
IN: compiler.cfg.value-numbering.tests

: trim-temps ( insns -- insns )
    [
        dup {
            [ compare##? ]
            [ compare-imm##? ]
            [ compare-integer##? ]
            [ compare-integer-imm##? ]
            [ compare-float-unordered##? ]
            [ compare-float-ordered##? ]
            [ test##? ]
            [ test-imm##? ]
            [ test-vector##? ]
            [ test-vector-branch##? ]
        } 1|| [ f >>temp ] when
    ] map ;

! Folding constants together
{
    {
        T{ load-reference## f 0 0.0 }
        T{ load-reference## f 1 -0.0 }
    }
} [
    {
        T{ load-reference## f 0 0.0 }
        T{ load-reference## f 1 -0.0 }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 0.0 }
        T{ copy## f 1 0 any-rep }
    }
} [
    {
        T{ load-reference## f 0 0.0 }
        T{ load-reference## f 1 0.0 }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 t }
        T{ copy## f 1 0 any-rep }
    }
} [
    {
        T{ load-reference## f 0 t }
        T{ load-reference## f 1 t }
    } value-numbering-step
] unit-test

! load-reference##/replace## fusion
cpu x86? [
    [
        {
            T{ load-integer## f 0 10 }
            T{ replace-imm## f 10 d: 0 }
        }
    ] [
        {
            T{ load-integer## f 0 10 }
            T{ replace## f 0 d: 0 }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ load-reference## f 0 f }
            T{ replace-imm## f f d: 0 }
        }
    ] [
        {
            T{ load-reference## f 0 f }
            T{ replace## f 0 d: 0 }
        } value-numbering-step
    ] unit-test
] when

cpu x86.32? [
    [
        {
            T{ load-reference## f 0 + }
            T{ replace-imm## f + d: 0 }
        }
    ] [
        {
            T{ load-reference## f 0 + }
            T{ replace## f 0 d: 0 }
        } value-numbering-step
    ] unit-test
] when

cpu x86.64? [
    [
        {
            T{ load-integer## f 0 10,000,000,000 }
            T{ replace## f 0 d: 0 }
        }
    ] [
        {
            T{ load-integer## f 0 10,000,000,000 }
            T{ replace## f 0 d: 0 }
        } value-numbering-step
    ] unit-test

    ! Boundary case
    [
        {
            T{ load-integer## f 0 0x7fffffff }
            T{ replace## f 0 d: 0 }
        }
    ] [
        {
            T{ load-integer## f 0 0x7fffffff }
            T{ replace## f 0 d: 0 }
        } value-numbering-step
    ] unit-test
] when

! Double compare elimination
{
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare## f 4 2 1 cc= }
        T{ copy## f 6 4 any-rep }
        T{ replace## f 6 d: 0 }
    }
} [
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare## f 4 2 1 cc= }
        T{ compare-imm## f 6 4 f cc/= }
        T{ replace## f 6 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 1 d: 1 }
        T{ compare-imm## f 2 1 16 cc= }
        T{ copy## f 3 2 any-rep }
        T{ replace## f 3 d: 0 }
    }
} [
    {
        T{ peek## f 1 d: 1 }
        T{ compare-imm## f 2 1 16 cc= }
        T{ compare-imm## f 3 2 f cc/= }
        T{ replace## f 3 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare-integer## f 4 2 1 cc> }
        T{ copy## f 6 4 any-rep }
        T{ replace## f 6 d: 0 }
    }
} [
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare-integer## f 4 2 1 cc> }
        T{ compare-imm## f 6 4 f cc/= }
        T{ replace## f 6 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare-integer## f 4 2 1 cc<= }
        T{ compare-integer## f 6 2 1 cc/<= }
        T{ replace## f 6 d: 0 }
    }
} [
    {
        T{ peek## f 1 d: 1 }
        T{ peek## f 2 d: 2 }
        T{ compare-integer## f 4 2 1 cc<= }
        T{ compare-imm## f 6 4 f cc= }
        T{ replace## f 6 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 1 d: 1 }
        T{ compare-integer-imm## f 2 1 100 cc<= }
        T{ compare-integer-imm## f 3 1 100 cc/<= }
        T{ replace## f 3 d: 0 }
    }
} [
    {
        T{ peek## f 1 d: 1 }
        T{ compare-integer-imm## f 2 1 100 cc<= }
        T{ compare-imm## f 3 2 f cc= }
        T{ replace## f 3 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 8 d: 0 }
        T{ peek## f 9 d: -1 }
        T{ compare-float-unordered## f 12 8 9 cc< }
        T{ compare-float-unordered## f 14 8 9 cc/< }
        T{ replace## f 14 d: 0 }
    }
} [
    {
        T{ peek## f 8 d: 0 }
        T{ peek## f 9 d: -1 }
        T{ compare-float-unordered## f 12 8 9 cc< }
        T{ compare-imm## f 14 12 f cc= }
        T{ replace## f 14 d: 0 }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ compare## f 33 29 30 cc= }
        T{ compare-branch## f 29 30 cc= }
    }
} [
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ compare## f 33 29 30 cc= }
        T{ compare-imm-branch## f 33 f cc/= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ compare-integer## f 33 29 30 cc<= }
        T{ compare-integer-branch## f 29 30 cc<= }
    }
} [
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ compare-integer## f 33 29 30 cc<= }
        T{ compare-imm-branch## f 33 f cc/= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ test## f 33 29 30 cc= }
        T{ test-branch## f 29 30 cc= }
    }
} [
    {
        T{ peek## f 29 d: -1 }
        T{ peek## f 30 d: -2 }
        T{ test## f 33 29 30 cc= }
        T{ compare-imm-branch## f 33 f cc/= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 29 d: -1 }
        T{ test-imm## f 33 29 30 cc= }
        T{ test-imm-branch## f 29 30 cc= }
    }
} [
    {
        T{ peek## f 29 d: -1 }
        T{ test-imm## f 33 29 30 cc= }
        T{ compare-imm-branch## f 33 f cc/= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 1 d: -1 }
        T{ test-vector## f 2 1 f float-4-rep vcc-any }
        T{ test-vector-branch## f 1 f float-4-rep vcc-any }
    }
} [
    {
        T{ peek## f 1 d: -1 }
        T{ test-vector## f 2 1 f float-4-rep vcc-any }
        T{ compare-imm-branch## f 2 f cc/= }
    } value-numbering-step trim-temps
] unit-test

cpu x86.32? [
    [
        {
            T{ peek## f 1 d: 0 }
            T{ compare-imm## f 2 1 + cc= }
            T{ compare-imm-branch## f 1 + cc= }
        }
    ] [
        {
            T{ peek## f 1 d: 0 }
            T{ compare-imm## f 2 1 + cc= }
            T{ compare-imm-branch## f 2 f cc/= }
        } value-numbering-step trim-temps
    ] unit-test
] when

! Immediate operand fusion
{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 -100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ sub## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sub## f 1 0 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 1 d: 0 }
        T{ shl-imm## f 2 1 3 }
    }
} [
    {
        T{ peek## f 1 d: 0 }
        T{ mul-imm## f 2 1 8 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -1 }
        T{ neg## f 2 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -1 }
        T{ mul## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -1 }
        T{ neg## f 2 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -1 }
        T{ mul## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
        T{ neg## f 2 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
        T{ sub## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
        T{ neg## f 2 0 }
        T{ copy## f 3 0 any-rep }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
        T{ sub## f 2 1 0 }
        T{ sub## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ neg## f 1 0 }
        T{ copy## f 2 0 any-rep }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ neg## f 1 0 }
        T{ neg## f 2 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ not## f 1 0 }
        T{ copy## f 2 0 any-rep }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ not## f 1 0 }
        T{ not## f 2 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor## f 2 0 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor-imm## f 2 0 100 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor## f 2 1 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-imm## f 2 0 100 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare## f 2 0 1 cc= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-imm## f 2 0 100 cc<= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer## f 2 0 1 cc<= }
    } value-numbering-step trim-temps
] unit-test

cpu x86.32? [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 + }
            T{ compare-imm## f 2 0 + cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 + }
            T{ compare## f 2 0 1 cc= }
        } value-numbering-step trim-temps
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 + }
            T{ compare-imm-branch## f 0 + cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 + }
            T{ compare-branch## f 0 1 cc= }
        } value-numbering-step trim-temps
    ] unit-test
] when

cpu x86.32? [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 3.5 }
            T{ compare## f 2 0 1 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 3.5 }
            T{ compare## f 2 0 1 cc= }
        } value-numbering-step trim-temps
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 3.5 }
            T{ compare-branch## f 0 1 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-reference## f 1 3.5 }
            T{ compare-branch## f 0 1 cc= }
        } value-numbering-step trim-temps
    ] unit-test
] unless

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-imm## f 2 0 100 cc>= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer## f 2 1 0 cc<= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-imm-branch## f 0 100 cc<= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-branch## f 0 1 cc<= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-imm-branch## f 0 100 cc>= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ compare-integer-branch## f 1 0 cc<= }
    } value-numbering-step trim-temps
] unit-test

! Compare folding
{
    {
        T{ load-integer## f 1 100 }
        T{ load-integer## f 2 200 }
        T{ load-reference## f 3 t }
    }
} [
    {
        T{ load-integer## f 1 100 }
        T{ load-integer## f 2 200 }
        T{ compare-integer## f 3 1 2 cc<= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ load-integer## f 1 100 }
        T{ load-integer## f 2 200 }
        T{ load-reference## f 3 f }
    }
} [
    {
        T{ load-integer## f 1 100 }
        T{ load-integer## f 2 200 }
        T{ compare-integer## f 3 1 2 cc= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ load-integer## f 1 100 }
        T{ load-reference## f 2 f }
    }
} [
    {
        T{ load-integer## f 1 100 }
        T{ compare-integer-imm## f 2 1 123 cc= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-integer## f 2 20 }
        T{ load-reference## f 3 f }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ load-integer## f 2 20 }
        T{ compare-integer## f 3 1 2 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ load-reference## f 3 t }
    }
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-integer## f 3 1 2 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ load-reference## f 3 t }
    }
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-integer## f 3 1 2 cc< }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-integer## f 2 20 }
        T{ load-reference## f 3 f }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ load-integer## f 2 20 }
        T{ compare-integer## f 3 2 1 cc< }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 f }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc< }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ load-reference## f 2 f }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ compare-integer## f 2 0 1 cc< }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 t }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc<= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 f }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc> }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 t }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc>= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 f }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 t }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer## f 1 0 0 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-reference## f 2 t }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ compare-imm## f 2 1 10 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-reference## f 2 f }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ compare-imm## f 2 1 20 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-reference## f 2 t }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ compare-imm## f 2 1 100 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 10 }
        T{ load-reference## f 2 f }
    }
} [
    {
        T{ load-integer## f 1 10 }
        T{ compare-imm## f 2 1 10 cc/= }
    } value-numbering-step
] unit-test

cpu x86.32? [
    [
        {
            T{ load-reference## f 1 + }
            T{ load-reference## f 2 f }
        }
    ] [
        {
            T{ load-reference## f 1 + }
            T{ compare-imm## f 2 1 + cc/= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ load-reference## f 1 + }
            T{ load-reference## f 2 t }
        }
    ] [
        {
            T{ load-reference## f 1 + }
            T{ compare-imm## f 2 1 * cc/= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ load-reference## f 1 + }
            T{ load-reference## f 2 t }
        }
    ] [
        {
            T{ load-reference## f 1 + }
            T{ compare-imm## f 2 1 + cc= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ load-reference## f 1 + }
            T{ load-reference## f 2 f }
        }
    ] [
        {
            T{ load-reference## f 1 + }
            T{ compare-imm## f 2 1 * cc= }
        } value-numbering-step
    ] unit-test
] when

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 t }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare## f 1 0 0 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 f }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare## f 1 0 0 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 12 }
        T{ load-reference## f 3 t }
    }
} [
    {
        T{ load-integer## f 1 12 }
        T{ test-imm## f 3 1 13 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 15 }
        T{ load-reference## f 3 f }
    }
} [
    {
        T{ load-integer## f 1 15 }
        T{ test-imm## f 3 1 16 cc/= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 12 }
        T{ load-reference## f 3 f }
    }
} [
    {
        T{ load-integer## f 1 12 }
        T{ test-imm## f 3 1 13 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 15 }
        T{ load-reference## f 3 t }
    }
} [
    {
        T{ load-integer## f 1 15 }
        T{ test-imm## f 3 1 16 cc= }
    } value-numbering-step
] unit-test

! Rewriting a test## of an and## into a test##
{
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ and## f 2 0 1 }
        T{ test## f 3 0 1 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ and## f 2 0 1 }
        T{ test## f 3 2 2 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ and-imm## f 2 0 12 }
        T{ test-imm## f 3 0 12 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ and-imm## f 2 0 12 }
        T{ test## f 3 2 2 cc= }
    } value-numbering-step
] unit-test

! Rewriting test## into test-imm##
{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-imm## f 2 0 10 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test## f 2 0 1 cc= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-imm## f 2 0 10 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test## f 2 1 0 cc= }
    } value-numbering-step trim-temps
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-imm-branch## f 0 10 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-branch## f 0 1 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-imm-branch## f 0 10 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-branch## f 1 0 cc= }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-imm-branch## f 0 10 cc= }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 10 }
        T{ test-branch## f 1 0 cc= }
    } value-numbering-step
] unit-test

! Make sure the immediate fits
cpu x86.64? [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 100000000000 }
            T{ test## f 2 1 0 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 100000000000 }
            T{ test## f 2 1 0 cc= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 100000000000 }
            T{ test-branch## f 1 0 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 100000000000 }
            T{ test-branch## f 1 0 cc= }
        } value-numbering-step
    ] unit-test
] when

! Rewriting compare## into test##
cpu x86? [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ test## f 1 0 0 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm## f 1 0 0 cc= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ test## f 1 0 0 cc/= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm## f 1 0 0 cc/= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm## f 1 0 0 cc<= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm## f 1 0 0 cc<= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ test-branch## f 0 0 cc= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm-branch## f 0 0 cc= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ test-branch## f 0 0 cc/= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm-branch## f 0 0 cc/= }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm-branch## f 0 0 cc<= }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ compare-integer-imm-branch## f 0 0 cc<= }
        } value-numbering-step
    ] unit-test
] when

! Reassociation
{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ add-imm## f 4 0 150 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ add## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ add-imm## f 4 0 150 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add## f 2 1 0 }
        T{ load-integer## f 3 50 }
        T{ add## f 4 3 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ add-imm## f 4 0 50 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ sub## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ add-imm## f 2 0 -100 }
        T{ load-integer## f 3 50 }
        T{ add-imm## f 4 0 -150 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ sub## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ sub## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ mul-imm## f 4 0 5000 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ mul## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ mul-imm## f 4 0 5000 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ mul## f 2 1 0 }
        T{ load-integer## f 3 50 }
        T{ mul## f 4 3 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ and-imm## f 4 0 32 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ and## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ and-imm## f 4 0 32 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ and## f 2 1 0 }
        T{ load-integer## f 3 50 }
        T{ and## f 4 3 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ or-imm## f 4 0 118 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ or## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ or-imm## f 4 0 118 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ or## f 2 1 0 }
        T{ load-integer## f 3 50 }
        T{ or## f 4 3 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ xor-imm## f 4 0 86 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor## f 2 0 1 }
        T{ load-integer## f 3 50 }
        T{ xor## f 4 2 3 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor-imm## f 2 0 100 }
        T{ load-integer## f 3 50 }
        T{ xor-imm## f 4 0 86 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 100 }
        T{ xor## f 2 1 0 }
        T{ load-integer## f 3 50 }
        T{ xor## f 4 3 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ shl-imm## f 1 0 10 }
        T{ shl-imm## f 2 0 21 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shl-imm## f 1 0 10 }
        T{ shl-imm## f 2 1 11 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ shl-imm## f 1 0 10 }
        T{ shl-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shl-imm## f 1 0 10 }
        T{ shl-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ sar-imm## f 1 0 10 }
        T{ sar-imm## f 2 0 21 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sar-imm## f 1 0 10 }
        T{ sar-imm## f 2 1 11 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ sar-imm## f 1 0 10 }
        T{ sar-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sar-imm## f 1 0 10 }
        T{ sar-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ shr-imm## f 2 0 21 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ shr-imm## f 2 1 11 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ shr-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ shr-imm## f 2 1 $[ cell-bits 1 - ] }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ sar-imm## f 2 1 11 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 1 0 10 }
        T{ sar-imm## f 2 1 11 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

! Distributive law
2 vreg-counter set-global

{
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 10 }
        T{ shl-imm## f 3 0 2 }
        T{ add-imm## f 2 3 40 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 10 }
        T{ shl-imm## f 2 1 2 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 10 }
        T{ mul-imm## f 4 0 3 }
        T{ add-imm## f 2 4 30 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 10 }
        T{ mul-imm## f 2 1 3 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 -10 }
        T{ shl-imm## f 5 0 2 }
        T{ add-imm## f 2 5 -40 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sub-imm## f 1 0 10 }
        T{ shl-imm## f 2 1 2 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ add-imm## f 1 0 -10 }
        T{ mul-imm## f 6 0 3 }
        T{ add-imm## f 2 6 -30 }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sub-imm## f 1 0 10 }
        T{ mul-imm## f 2 1 3 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

! Simplification
{
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ copy## f 3 0 any-rep }
        T{ replace## f 3 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ add-imm## f 3 0 0 }
        T{ replace## f 3 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ copy## f 3 0 any-rep }
        T{ replace## f 3 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ or-imm## f 3 0 0 }
        T{ replace## f 3 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ copy## f 3 0 any-rep }
        T{ replace## f 3 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ xor-imm## f 3 0 0 }
        T{ replace## f 3 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ and-imm## f 1 0 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ and-imm## f 1 0 -1 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ and## f 1 0 0 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ or-imm## f 1 0 0 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -1 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ or-imm## f 1 0 -1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ or## f 1 0 0 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ xor-imm## f 1 0 0 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ not## f 1 0 }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ xor-imm## f 1 0 -1 }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ xor## f 1 0 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ mul-imm## f 2 0 1 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shl-imm## f 2 0 0 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ shr-imm## f 2 0 0 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ sar-imm## f 2 0 0 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

! Constant folding
{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 3 }
        T{ load-integer## f 3 4 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 3 }
        T{ add## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 3 }
        T{ load-integer## f 3 -2 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 3 }
        T{ sub## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 3 }
        T{ load-integer## f 3 6 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 3 }
        T{ mul## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 1 }
        T{ load-integer## f 3 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 1 }
        T{ and## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 1 }
        T{ load-integer## f 3 3 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 1 }
        T{ or## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 3 }
        T{ load-integer## f 3 1 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 2 }
        T{ load-integer## f 2 3 }
        T{ xor## f 3 1 2 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 3 8 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ shl-imm## f 3 1 3 }
    } value-numbering-step
] unit-test

cell 8 = [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 -1 }
            T{ load-integer## f 3 0xffffffffffff }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 -1 }
            T{ shr-imm## f 3 1 16 }
        } value-numbering-step
    ] unit-test
] when

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -8 }
        T{ load-integer## f 3 -4 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 -8 }
        T{ sar-imm## f 3 1 1 }
    } value-numbering-step
] unit-test

cell 8 = [
    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 65536 }
            T{ load-integer## f 2 140737488355328 }
            T{ add## f 3 0 2 }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 1 65536 }
            T{ shl-imm## f 2 1 31 }
            T{ add## f 3 0 2 }
        } value-numbering-step
    ] unit-test

    [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 2 140737488355328 }
            T{ add## f 3 0 2 }
        }
    ] [
        {
            T{ peek## f 0 d: 0 }
            T{ load-integer## f 2 140737488355328 }
            T{ add## f 3 0 2 }
        } value-numbering-step
    ] unit-test

    ! PPC ADDI can't hold immediates this big.
    cpu ppc? [
        [
            {
                T{ peek## f 0 d: 0 }
                T{ load-integer## f 2 2147483647 }
                T{ add-imm## f 3 0 2147483647 }
                T{ add-imm## f 4 3 2147483647 }
            }
        ] [
            {
                T{ peek## f 0 d: 0 }
                T{ load-integer## f 2 2147483647 }
                T{ add## f 3 0 2 }
                T{ add## f 4 3 2 }
            } value-numbering-step
        ] unit-test
    ] unless
] when

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 -1 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ neg## f 2 1 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 -2 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 1 1 }
        T{ not## f 2 1 }
    } value-numbering-step
] unit-test

! tagged>integer## constant folding
{
    {
        T{ load-reference## f 1 f }
        T{ load-integer## f 2 $[ \ f type-number ] }
        T{ copy## f 3 2 any-rep }
    }
} [
    {
        T{ load-reference## f 1 f }
        T{ tagged>integer## f 2 1 }
        T{ and-imm## f 3 2 15 }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 1 100 }
        T{ load-integer## f 2 $[ 100 tag-fixnum ] }
        T{ load-integer## f 3 $[ 100 tag-fixnum 1 + ] }
    }
} [
    {
        T{ load-integer## f 1 100 }
        T{ tagged>integer## f 2 1 }
        T{ add-imm## f 3 2 1 }
    } value-numbering-step
] unit-test

! Alien boxing and unboxing
{
    {
        T{ peek## f 0 d: 0 }
        T{ box-alien## f 1 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ box-alien## f 1 0 }
        T{ unbox-alien## f 2 1 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ box-alien## f 1 0 }
        T{ copy## f 2 0 any-rep }
        T{ replace## f 2 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ box-alien## f 1 0 }
        T{ unbox-any-c-ptr## f 2 1 }
        T{ replace## f 2 d: 0 }
    } value-numbering-step
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 0 }
        T{ copy## f 1 0 any-rep }
        T{ replace## f 1 d: 0 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 0 }
        T{ box-displaced-alien## f 1 2 0 c-ptr }
        T{ replace## f 1 d: 0 }
    } value-numbering-step
] unit-test

3 vreg-counter set-global

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 16 }
        T{ box-displaced-alien## f 1 2 0 c-ptr }
        T{ unbox-any-c-ptr## f 4 0 }
        T{ add-imm## f 3 4 16 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 16 }
        T{ box-displaced-alien## f 1 2 0 c-ptr }
        T{ unbox-any-c-ptr## f 3 1 }
    } value-numbering-step
] unit-test

4 vreg-counter set-global

{
    {
        T{ box-alien## f 0 1 }
        T{ load-integer## f 2 16 }
        T{ box-displaced-alien## f 3 2 0 c-ptr }
        T{ copy## f 5 1 any-rep }
        T{ add-imm## f 4 5 16 }
    }
} [
    {
        T{ box-alien## f 0 1 }
        T{ load-integer## f 2 16 }
        T{ box-displaced-alien## f 3 2 0 c-ptr }
        T{ unbox-any-c-ptr## f 4 3 }
    } value-numbering-step
] unit-test

3 vreg-counter set-global

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 0 }
        T{ copy## f 3 0 any-rep }
        T{ replace## f 3 d: 1 }
    }
} [
    {
        T{ peek## f 0 d: 0 }
        T{ load-integer## f 2 0 }
        T{ box-displaced-alien## f 3 2 0 c-ptr }
        T{ replace## f 3 d: 1 }
    } value-numbering-step
] unit-test

! Various SIMD simplifications
{
    {
        T{ vector>scalar## f 1 0 float-4-rep }
        T{ copy## f 2 0 any-rep }
    }
} [
    {
        T{ vector>scalar## f 1 0 float-4-rep }
        T{ scalar>vector## f 2 1 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ copy## f 1 0 any-rep }
    }
} [
    {
        T{ shuffle-vector-imm## f 1 0 { 0 1 2 3 } float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ shuffle-vector-imm## f 1 0 { 1 2 3 0 } float-4-rep }
        T{ shuffle-vector-imm## f 2 0 { 0 2 3 1 } float-4-rep }
    }
} [
    {
        T{ shuffle-vector-imm## f 1 0 { 1 2 3 0 } float-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 3 1 2 0 } float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ shuffle-vector-imm## f 1 0 { 1 2 3 0 } float-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 1 0 } double-2-rep }
    }
} [
    {
        T{ shuffle-vector-imm## f 1 0 { 1 2 3 0 } float-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 1 0 } double-2-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 0 55 }
        T{ load-reference## f 1 B{ 55 0 0 0  55 0 0 0  55 0 0 0  55 0 0 0 } }
        T{ load-reference## f 2 B{ 55 0 0 0  55 0 0 0  55 0 0 0  55 0 0 0 } }
    }
} [
    {
        T{ load-integer## f 0 55 }
        T{ scalar>vector## f 1 0 int-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 0 0 0 0 } float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 1 B{ 0 0 160 63 0 0 160 63 0 0 160 63 0 0 160 63 } }
        T{ load-reference## f 2 B{ 0 0 160 63 0 0 160 63 0 0 160 63 0 0 160 63 } }
    }
} [
    {
        T{ load-reference## f 0 1.25 }
        T{ scalar>vector## f 1 0 float-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 0 0 0 0 } float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 1 B{ 0 0 160 63 0 0 160 63 0 0 160 63 0 0 160 63 } }
        T{ load-reference## f 2 B{ 0 0 160 63 0 0 160 63 0 0 160 63 0 0 160 63 } }
    }
} [
    {
        T{ load-reference## f 0 1.25 }
        T{ scalar>vector## f 1 0 float-4-rep }
        T{ shuffle-vector-imm## f 2 1 { 0 0 0 0 } float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 0 55 }
        T{ load-reference## f 1 B{ 55 0 55 0 55 0 55 0 55 0 55 0 55 0 55 0 } }
        T{ load-reference## f 2 B{ 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 } }
        T{ load-reference## f 3 B{ 0 55 0 55 0 55 0 55 0 55 0 55 0 55 0 55 } }
    }
} [
    {
        T{ load-integer## f 0 55 }
        T{ scalar>vector## f 1 0 short-8-rep }
        T{ load-reference## f 2 B{ 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 } }
        T{ shuffle-vector## f 3 1 2 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 2 3.75 }
        T{ load-reference## f 4 B{ 0 0 0 0 0 0 244 63 0 0 0 0 0 0 14 64 } }
    }
} [
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 2 3.75 }
        T{ gather-vector-2## f 4 0 2 double-2-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 0 125 }
        T{ load-integer## f 2 375 }
        T{ load-reference## f 4 B{ 125 0 0 0 0 0 0 0 119 1 0 0 0 0 0 0 } }
    }
} [
    {
        T{ load-integer## f 0 125 }
        T{ load-integer## f 2 375 }
        T{ gather-vector-2## f 4 0 2 longlong-2-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 1 2.50 }
        T{ load-reference## f 2 3.75 }
        T{ load-reference## f 3 5.00 }
        T{ load-reference## f 4 B{ 0 0 160 63 0 0 32 64 0 0 112 64 0 0 160 64 } }
    }
} [
    {
        T{ load-reference## f 0 1.25 }
        T{ load-reference## f 1 2.50 }
        T{ load-reference## f 2 3.75 }
        T{ load-reference## f 3 5.00 }
        T{ gather-vector-4## f 4 0 1 2 3 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ load-integer## f 0 125 }
        T{ load-integer## f 1 250 }
        T{ load-integer## f 2 375 }
        T{ load-integer## f 3 500 }
        T{ load-reference## f 4 B{ 125 0 0 0 250 0 0 0 119 1 0 0 244 1 0 0 } }
    }
} [
    {
        T{ load-integer## f 0 125 }
        T{ load-integer## f 1 250 }
        T{ load-integer## f 2 375 }
        T{ load-integer## f 3 500 }
        T{ gather-vector-4## f 4 0 1 2 3 int-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ zero-vector## f 2 float-4-rep }
    }
} [
    {
        T{ xor-vector## f 2 1 1 float-4-rep }
    } value-numbering-step
] unit-test

! NOT x AND y => x ANDN y

{
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
    }
} [
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ and-vector##  f 5 4 1 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
    }
} [
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ and-vector##  f 5 4 1 float-4-rep }
    } value-numbering-step
] unit-test

! x AND NOT y => y ANDN x

{
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
    }
} [
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ and-vector##  f 5 1 4 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
    }
} [
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ and-vector##  f 5 1 4 float-4-rep }
    } value-numbering-step
] unit-test

! NOT x ANDN y => x AND y

{
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ and-vector##  f 5 0 1 float-4-rep }
    }
} [
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ andn-vector## f 5 4 1 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ and-vector##  f 5 0 1 float-4-rep }
    }
} [
    {
        T{ not-vector##  f 4 0 float-4-rep }
        T{ andn-vector## f 5 4 1 float-4-rep }
    } value-numbering-step
] unit-test

! AND <=> ANDN

{
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
        T{ and-vector##  f 6 0 2 float-4-rep }
        T{ or-vector##   f 7 5 6 float-4-rep }
    }
} [
    {
        T{ fill-vector## f 3 float-4-rep }
        T{ xor-vector##  f 4 0 3 float-4-rep }
        T{ and-vector##  f 5 4 1 float-4-rep }
        T{ andn-vector## f 6 4 2 float-4-rep }
        T{ or-vector##   f 7 5 6 float-4-rep }
    } value-numbering-step
] unit-test

{
    {
        T{ not-vector##  f 4 0   float-4-rep }
        T{ andn-vector## f 5 0 1 float-4-rep }
        T{ and-vector##  f 6 0 2 float-4-rep }
        T{ or-vector##   f 7 5 6 float-4-rep }
    }
} [
    {
        T{ not-vector##  f 4 0   float-4-rep }
        T{ and-vector##  f 5 4 1 float-4-rep }
        T{ andn-vector## f 6 4 2 float-4-rep }
        T{ or-vector##   f 7 5 6 float-4-rep }
    } value-numbering-step
] unit-test

! Branch folding
: test-branch-folding ( insns -- insns' n )
    <basic-block>
    [ V{ 0 1 } clone >>successors basic-block set value-numbering-step ] keep
    successors>> first ;

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ branch## }
    }
    1
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-branch## f 1 2 cc= }
    } test-branch-folding
] unit-test

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ branch## }
    }
    0
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-branch## f 1 2 cc/= }
    } test-branch-folding
] unit-test

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ branch## }
    }
    0
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-integer-branch## f 1 2 cc< }
    } test-branch-folding
] unit-test

{
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ branch## }
    }
    1
} [
    {
        T{ load-integer## f 1 1 }
        T{ load-integer## f 2 2 }
        T{ compare-integer-branch## f 2 1 cc< }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    1
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc< }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    0
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc<= }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    1
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc> }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    0
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc>= }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    0
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc= }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ branch## }
    }
    1
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare-integer-branch## f 0 0 cc/= }
    } test-branch-folding
] unit-test

{
    {
        T{ peek## f 0 d: 0 }
        T{ load-reference## f 1 t }
        T{ branch## }
    }
    0
} [
    {
        T{ peek## f 0 d: 0 }
        T{ compare## f 1 0 0 cc<= }
        T{ compare-imm-branch## f 1 f cc/= }
    } test-branch-folding
] unit-test

! More branch folding tests
V{ T{ branch## } } 0 test-bb

V{
    T{ peek## f 0 d: 0 }
    T{ compare-integer-branch## f 0 0 cc< }
} 1 test-bb

V{
    T{ load-integer## f 1 1 }
    T{ branch## }
} 2 test-bb

V{
    T{ load-integer## f 2 2 }
    T{ branch## }
} 3 test-bb

V{
    T{ phi## f 3 H{ { 2 1 } { 3 2 } } }
    T{ replace## f 3 d: 0 }
    T{ return## }
} 4 test-bb

test-diamond

{ } [
    0 get block>cfg dup cfg set
    [ value-numbering ]
    [ select-representations ]
    [ destruct-ssa ] tri
] unit-test

{ 1 } [ 1 get successors>> length ] unit-test

{ t } [ 1 get successors>> first 3 get eq? ] unit-test

{ 2 } [ 4 get instructions>> length ] unit-test

V{
    T{ peek## f 0 d: 0 }
    T{ branch## }
} 0 test-bb

V{
    T{ peek## f 1 d: 1 }
    T{ compare-integer-branch## f 1 1 cc< }
} 1 test-bb

V{
    T{ copy## f 2 0 any-rep }
    T{ branch## }
} 2 test-bb

V{
    T{ phi## f 3 H{ { 1 1 } { 2 0 } } }
    T{ branch## }
} 3 test-bb

V{
    T{ replace## f 3 d: 0 }
    T{ return## }
} 4 test-bb

test-diamond

{ } [
    0 get block>cfg
    { value-numbering eliminate-dead-code } apply-passes
] unit-test

{ t } [ 1 get successors>> first 3 get eq? ] unit-test

{ 1 } [ 3 get instructions>> first inputs>> assoc-size ] unit-test

V{ T{ prologue## } T{ branch## } } 0 test-bb

V{
    T{ peek## { dst 15 } { loc d: 0 } }
    T{ copy## { dst 16 } { src 15 } { rep any-rep } }
    T{ copy## { dst 17 } { src 15 } { rep any-rep } }
    T{ copy## { dst 18 } { src 15 } { rep any-rep } }
    T{ copy## { dst 19 } { src 15 } { rep any-rep } }
    T{ compare##
        { dst 20 }
        { src1 18 }
        { src2 19 }
        { cc cc= }
        { temp 22 }
    }
    T{ copy## { dst 21 } { src 20 } { rep any-rep } }
    T{ compare-imm-branch##
        { src1 21 }
        { src2 f }
        { cc cc/= }
    }
} 1 test-bb

V{
    T{ copy## { dst 23 } { src 15 } { rep any-rep } }
    T{ copy## { dst 24 } { src 15 } { rep any-rep } }
    T{ load-reference## { dst 25 } { obj t } }
    T{ branch## }
} 2 test-bb

V{
    T{ replace## { src 25 } { loc d: 0 } }
    T{ epilogue## }
    T{ return## }
} 3 test-bb

V{
    T{ copy## { dst 26 } { src 15 } { rep any-rep } }
    T{ copy## { dst 27 } { src 15 } { rep any-rep } }
    T{ add##
        { dst 28 }
        { src1 26 }
        { src2 27 }
    }
    T{ branch## }
} 4 test-bb

V{
    T{ replace## { src 28 } { loc d: 0 } }
    T{ epilogue## }
    T{ return## }
} 5 test-bb

0 1 edge
1 { 2 4 } edges
2 3 edge
4 5 edge

{ } [
    0 get block>cfg
    { value-numbering eliminate-dead-code } apply-passes
] unit-test

{ f } [ 1 get instructions>> [ peek##? ] any? ] unit-test

! Slot addressing optimization
cpu x86? [
    [
        V{
            T{ peek## f 0 d: 0 }
            T{ peek## f 1 d: 1 }
            T{ add-imm## f 2 1 2 }
            T{ slot## f 3 0 1 $[ cell log2 ] $[ 7 2 cells - ] }
        }
    ] [
        V{
            T{ peek## f 0 d: 0 }
            T{ peek## f 1 d: 1 }
            T{ add-imm## f 2 1 2 }
            T{ slot## f 3 0 2 $[ cell log2 ] 7 }
        } value-numbering-step
    ] unit-test
] when

! Alien addressing optimization

! Base offset fusion on load##/store-memory-imm
{
    V{
        T{ peek## f 1 d: 0 }
        T{ tagged>integer## f 2 1 }
        T{ add-imm## f 3 2 10 }
        T{ load-memory-imm## f 4 2 10 int-rep c:uchar }
    }
} [
    V{
        T{ peek## f 1 d: 0 }
        T{ tagged>integer## f 2 1 }
        T{ add-imm## f 3 2 10 }
        T{ load-memory-imm## f 4 3 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

{
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 10 }
        T{ store-memory-imm## f 2 3 10 int-rep c:uchar }
    }
} [
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 10 }
        T{ store-memory-imm## f 2 4 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

! Displacement fusion on load##/store-memory-imm
{
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add## f 4 2 3 }
        T{ load-memory## f 5 2 3 0 0 int-rep c:uchar }
    }
} [
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add## f 4 2 3 }
        T{ load-memory-imm## f 5 4 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

{
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add## f 4 2 3 }
        T{ store-memory## f 5 2 3 0 0 int-rep c:uchar }
    }
} [
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add## f 4 2 3 }
        T{ store-memory-imm## f 5 4 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

! Base offset fusion on load##/store-memory -- only on x86
cpu x86?
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 2 31337 }
        T{ load-memory## f 5 2 3 0 31337 int-rep c:uchar }
    }
]
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 2 31337 }
        T{ load-memory## f 5 4 3 0 0 int-rep c:uchar }
    }
] ?
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 2 31337 }
        T{ load-memory## f 5 4 3 0 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

! Displacement offset fusion on load##/store-memory -- only on x86
cpu x86?
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 31337 }
        T{ load-memory## f 5 2 3 0 31338 int-rep c:uchar }
    }
]
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 31337 }
        T{ load-memory## f 5 2 4 0 1 int-rep c:uchar }
    }
] ?
[
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 31337 }
        T{ load-memory## f 5 2 4 0 1 int-rep c:uchar }
    } value-numbering-step
] unit-test

! Displacement offset fusion should not occur on
! load##/store-memory with non-zero scale
{ } [
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ add-imm## f 4 3 10 }
        T{ load-memory## f 5 2 4 1 1 int-rep c:uchar }
    } dup value-numbering-step assert=
] unit-test

! Scale fusion on load##/store-memory
${
    cpu x86?
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ shl-imm## f 4 3 2 }
        T{ load-memory## f 5 2 3 2 0 int-rep c:uchar }
    }
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ shl-imm## f 4 3 2 }
        T{ load-memory## f 5 2 4 0 0 int-rep c:uchar }
    } ?
} [
    V{
        T{ peek## f 0 d: 0 }
        T{ peek## f 1 d: 1 }
        T{ tagged>integer## f 2 0 }
        T{ tagged>integer## f 3 1 }
        T{ shl-imm## f 4 3 2 }
        T{ load-memory## f 5 2 4 0 0 int-rep c:uchar }
    } value-numbering-step
] unit-test

cpu x86? [
    ! Don't do scale fusion if there's already a scale
    [ ] [
        V{
            T{ peek## f 0 d: 0 }
            T{ peek## f 1 d: 1 }
            T{ tagged>integer## f 2 0 }
            T{ tagged>integer## f 3 1 }
            T{ shl-imm## f 4 3 2 }
            T{ load-memory## f 5 2 4 1 0 int-rep c:uchar }
        } dup value-numbering-step assert=
    ] unit-test

    ! Don't do scale fusion if the scale factor is out of range
    [ ] [
        V{
            T{ peek## f 0 d: 0 }
            T{ peek## f 1 d: 1 }
            T{ tagged>integer## f 2 0 }
            T{ tagged>integer## f 3 1 }
            T{ shl-imm## f 4 3 4 }
            T{ load-memory## f 5 2 4 0 0 int-rep c:uchar }
        } dup value-numbering-step assert=
    ] unit-test
] when