Merge branch 'master' of git://factorcode.org/git/factor
Joe Groff
commit
eba4749e5f
basis/compiler
cfg
branch-folding
branch-splitting
intrinsics
local
optimizer
stack-analysis
value-numbering
tests
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@ -1,89 +0,0 @@
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IN: compiler.cfg.branch-folding.tests
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USING: compiler.cfg.branch-folding compiler.cfg.instructions
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compiler.cfg compiler.cfg.registers compiler.cfg.debugger
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arrays compiler.cfg.phi-elimination compiler.cfg.dce
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compiler.cfg.predecessors compiler.cfg.comparisons
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kernel accessors assocs sequences classes namespaces
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tools.test cpu.architecture ;
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V{ T{ ##branch } } 0 test-bb
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V{
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T{ ##peek f V int-regs 0 D 0 }
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T{ ##compare-branch f V int-regs 0 V int-regs 0 cc< }
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} 1 test-bb
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V{
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T{ ##load-immediate f V int-regs 1 1 }
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T{ ##branch }
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} 2 test-bb
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V{
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T{ ##load-immediate f V int-regs 2 2 }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##phi f V int-regs 3 { } }
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T{ ##replace f V int-regs 3 D 0 }
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T{ ##return }
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} 4 test-bb
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4 get instructions>> first
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2 get V int-regs 1 2array
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3 get V int-regs 2 2array 2array
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>>inputs drop
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test-diamond
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[ ] [ cfg new 0 get >>entry fold-branches compute-predecessors eliminate-phis drop ] unit-test
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[ 1 ] [ 1 get successors>> length ] unit-test
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[ t ] [ 1 get successors>> first 3 get eq? ] unit-test
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[ T{ ##copy f V int-regs 3 V int-regs 2 } ]
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[ 3 get successors>> first instructions>> first ]
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unit-test
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[ 2 ] [ 4 get instructions>> length ] unit-test
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V{
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T{ ##peek f V int-regs 0 D 0 }
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T{ ##branch }
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} 0 test-bb
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V{
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T{ ##peek f V int-regs 1 D 1 }
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T{ ##compare-branch f V int-regs 1 V int-regs 1 cc< }
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} 1 test-bb
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V{
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T{ ##copy f V int-regs 2 V int-regs 0 }
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T{ ##branch }
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} 2 test-bb
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V{
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T{ ##phi f V int-regs 3 V{ } }
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T{ ##branch }
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} 3 test-bb
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V{
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T{ ##replace f V int-regs 3 D 0 }
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T{ ##return }
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} 4 test-bb
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1 get V int-regs 1 2array
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2 get V int-regs 0 2array 2array 3 get instructions>> first (>>inputs)
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test-diamond
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[ ] [
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cfg new 0 get >>entry
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compute-predecessors
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fold-branches
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compute-predecessors
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eliminate-dead-code
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drop
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] unit-test
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[ 1 ] [ 3 get instructions>> first inputs>> assoc-size ] unit-test
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@ -1,33 +0,0 @@
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! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors combinators.short-circuit kernel sequences vectors
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compiler.cfg.instructions
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compiler.cfg.comparisons
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compiler.cfg.rpo
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compiler.cfg ;
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IN: compiler.cfg.branch-folding
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! Fold comparisons where both inputs are the same. Predecessors must be
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! recomputed after this
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: fold-branch? ( bb -- ? )
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instructions>> last {
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[ ##compare-branch? ]
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[ [ src1>> ] [ src2>> ] bi = ]
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} 1&& ;
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: chosen-successor ( bb -- succ )
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[ instructions>> last cc>> { cc= cc<= cc>= } memq? 0 1 ? ]
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[ successors>> ]
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bi nth ;
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: fold-branch ( bb -- )
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dup chosen-successor 1vector >>successors
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instructions>> [ pop* ] [ [ \ ##branch new-insn ] dip push ] bi ;
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: fold-branches ( cfg -- cfg' )
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dup [
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dup fold-branch?
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[ fold-branch ] [ drop ] if
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] each-basic-block
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cfg-changed ;
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@ -65,15 +65,15 @@ UNION: irrelevant ##peek ##replace ##inc-d ##inc-r ;
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: split-instructions? ( insns -- ? )
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[ irrelevant? not ] count 5 <= ;
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: split-branches? ( bb -- ? )
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: split-branch? ( bb -- ? )
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{
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[ dup successors>> [ back-edge? ] with any? not ]
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[ predecessors>> length 1 4 between? ]
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[ predecessors>> length 2 4 between? ]
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[ instructions>> split-instructions? ]
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} 1&& ;
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: split-branches ( cfg -- cfg' )
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dup [
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dup split-branches? [ split-branch ] [ drop ] if
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dup split-branch? [ split-branch ] [ drop ] if
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] each-basic-block
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cfg-changed ;
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@ -1,7 +1,7 @@
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! Copyright (C) 2008, 2009 Slava Pestov, Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: sequences accessors layouts kernel math namespaces
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combinators fry locals
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combinators fry
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compiler.tree.propagation.info
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compiler.cfg.hats
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compiler.cfg.stacks
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@ -21,32 +21,8 @@ IN: compiler.cfg.intrinsics.fixnum
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: tag-literal ( n -- tagged )
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literal>> [ tag-fixnum ] [ \ f tag-number ] if* ;
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: emit-fixnum-imm-op1 ( infos insn -- dst )
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[ ds-pop ds-drop ] [ first tag-literal ] [ ] tri* call ; inline
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: emit-fixnum-imm-op2 ( infos insn -- dst )
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[ ds-drop ds-pop ] [ second tag-literal ] [ ] tri* call ; inline
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: (emit-fixnum-op) ( insn -- dst )
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[ 2inputs ] dip call ; inline
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:: emit-fixnum-op ( node insn imm-insn -- )
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[let | infos [ node node-input-infos ] |
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infos second value-info-small-tagged?
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[ infos imm-insn emit-fixnum-imm-op2 ]
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[ insn (emit-fixnum-op) ] if
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ds-push
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] ; inline
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:: emit-commutative-fixnum-op ( node insn imm-insn -- )
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[let | infos [ node node-input-infos ] |
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{
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{ [ infos first value-info-small-tagged? ] [ infos imm-insn emit-fixnum-imm-op1 ] }
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{ [ infos second value-info-small-tagged? ] [ infos imm-insn emit-fixnum-imm-op2 ] }
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[ insn (emit-fixnum-op) ]
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} cond
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ds-push
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] ; inline
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: emit-fixnum-op ( insn -- dst )
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[ 2inputs ] dip call ds-push ; inline
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: emit-fixnum-shift-fast ( node -- )
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dup node-input-infos dup second value-info-small-fixnum? [
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@ -66,34 +42,11 @@ IN: compiler.cfg.intrinsics.fixnum
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: emit-fixnum-log2 ( -- )
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ds-pop ^^log2 tag-bits get ^^sub-imm ^^tag-fixnum ds-push ;
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: (emit-fixnum*fast) ( -- dst )
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2inputs ^^untag-fixnum ^^mul ;
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: emit-fixnum*fast ( -- )
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2inputs ^^untag-fixnum ^^mul ds-push ;
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: (emit-fixnum*fast-imm1) ( infos -- dst )
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[ ds-pop ds-drop ] [ first literal>> ] bi* ^^mul-imm ;
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: (emit-fixnum*fast-imm2) ( infos -- dst )
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[ ds-drop ds-pop ] [ second literal>> ] bi* ^^mul-imm ;
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: emit-fixnum*fast ( node -- )
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node-input-infos
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dup first value-info-small-fixnum? drop f
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[
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(emit-fixnum*fast-imm1)
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] [
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dup second value-info-small-fixnum?
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[ (emit-fixnum*fast-imm2) ] [ drop (emit-fixnum*fast) ] if
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] if
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ds-push ;
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: (emit-fixnum-comparison) ( cc -- quot1 quot2 )
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[ ^^compare ] [ ^^compare-imm ] bi-curry ; inline
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: emit-eq ( node -- )
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cc= (emit-fixnum-comparison) emit-commutative-fixnum-op ;
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: emit-fixnum-comparison ( node cc -- )
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(emit-fixnum-comparison) emit-fixnum-op ;
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: emit-fixnum-comparison ( cc -- )
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'[ _ ^^compare ] emit-fixnum-op ;
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: emit-bignum>fixnum ( -- )
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ds-pop ^^bignum>integer ^^tag-fixnum ds-push ;
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@ -103,20 +103,20 @@ IN: compiler.cfg.intrinsics
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{ \ math.private:fixnum+ [ drop [ ##fixnum-add ] emit-fixnum-overflow-op ] }
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{ \ math.private:fixnum- [ drop [ ##fixnum-sub ] emit-fixnum-overflow-op ] }
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{ \ math.private:fixnum* [ drop [ i i ##fixnum-mul ] emit-fixnum-overflow-op ] }
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{ \ math.private:fixnum+fast [ [ ^^add ] [ ^^add-imm ] emit-commutative-fixnum-op ] }
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{ \ math.private:fixnum-fast [ [ ^^sub ] [ ^^sub-imm ] emit-fixnum-op ] }
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{ \ math.private:fixnum-bitand [ [ ^^and ] [ ^^and-imm ] emit-commutative-fixnum-op ] }
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{ \ math.private:fixnum-bitor [ [ ^^or ] [ ^^or-imm ] emit-commutative-fixnum-op ] }
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{ \ math.private:fixnum-bitxor [ [ ^^xor ] [ ^^xor-imm ] emit-commutative-fixnum-op ] }
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{ \ math.private:fixnum+fast [ drop [ ^^add ] emit-fixnum-op ] }
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{ \ math.private:fixnum-fast [ drop [ ^^sub ] emit-fixnum-op ] }
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{ \ math.private:fixnum-bitand [ drop [ ^^and ] emit-fixnum-op ] }
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{ \ math.private:fixnum-bitor [ drop [ ^^or ] emit-fixnum-op ] }
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{ \ math.private:fixnum-bitxor [ drop [ ^^xor ] emit-fixnum-op ] }
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{ \ math.private:fixnum-shift-fast [ emit-fixnum-shift-fast ] }
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{ \ math.private:fixnum-bitnot [ drop emit-fixnum-bitnot ] }
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{ \ math.integers.private:fixnum-log2 [ drop emit-fixnum-log2 ] }
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{ \ math.private:fixnum*fast [ emit-fixnum*fast ] }
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{ \ math.private:fixnum< [ cc< emit-fixnum-comparison ] }
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{ \ math.private:fixnum<= [ cc<= emit-fixnum-comparison ] }
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{ \ math.private:fixnum>= [ cc>= emit-fixnum-comparison ] }
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{ \ math.private:fixnum> [ cc> emit-fixnum-comparison ] }
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{ \ kernel:eq? [ emit-eq ] }
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{ \ math.private:fixnum*fast [ drop emit-fixnum*fast ] }
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{ \ math.private:fixnum< [ drop cc< emit-fixnum-comparison ] }
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{ \ math.private:fixnum<= [ drop cc<= emit-fixnum-comparison ] }
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{ \ math.private:fixnum>= [ drop cc>= emit-fixnum-comparison ] }
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{ \ math.private:fixnum> [ drop cc> emit-fixnum-comparison ] }
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{ \ kernel:eq? [ drop cc= emit-fixnum-comparison ] }
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{ \ math.private:bignum>fixnum [ drop emit-bignum>fixnum ] }
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{ \ math.private:fixnum>bignum [ drop emit-fixnum>bignum ] }
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{ \ math.private:float+ [ drop [ ^^add-float ] emit-float-op ] }
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|
|
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@ -1,10 +1,14 @@
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! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: fry accessors kernel assocs compiler.cfg.liveness compiler.cfg.rpo ;
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USING: locals accessors kernel assocs namespaces
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compiler.cfg compiler.cfg.liveness compiler.cfg.rpo ;
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IN: compiler.cfg.local
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|
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: optimize-basic-block ( bb init-quot insn-quot -- )
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[ '[ live-in keys @ ] ] [ '[ _ change-instructions drop ] ] bi* bi ; inline
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:: optimize-basic-block ( bb init-quot insn-quot -- )
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bb basic-block set
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bb live-in keys init-quot call
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bb insn-quot change-instructions drop ; inline
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: local-optimization ( cfg init-quot: ( live-in -- ) insn-quot: ( insns -- insns' ) -- cfg' )
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[ dup ] 2dip '[ _ _ optimize-basic-block ] each-basic-block ; inline
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:: local-optimization ( cfg init-quot: ( live-in -- ) insn-quot: ( insns -- insns' ) -- cfg' )
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cfg [ init-quot insn-quot optimize-basic-block ] each-basic-block
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cfg ; inline
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|
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@ -9,7 +9,6 @@ compiler.cfg.branch-splitting
|
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compiler.cfg.alias-analysis
|
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compiler.cfg.value-numbering
|
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compiler.cfg.dce
|
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compiler.cfg.branch-folding
|
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compiler.cfg.write-barrier
|
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compiler.cfg.liveness
|
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compiler.cfg.rpo
|
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|
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@ -36,7 +35,6 @@ SYMBOL: check-optimizer?
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compute-liveness
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alias-analysis
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value-numbering
|
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fold-branches
|
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compute-predecessors
|
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eliminate-dead-code
|
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eliminate-write-barriers
|
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|
|
|
|||
|
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@ -91,9 +91,9 @@ IN: compiler.cfg.stack-analysis.tests
|
|||
! Sync before a back-edge, not after
|
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! ##peeks should be inserted before a ##loop-entry
|
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! Don't optimize out the constants
|
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[ 1 t ] [
|
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[ t ] [
|
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[ 1000 [ ] times ] test-stack-analysis eliminate-dead-code linearize
|
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[ [ ##add-imm? ] count ] [ [ ##load-immediate? ] any? ] bi
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[ ##load-immediate? ] any?
|
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] unit-test
|
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|
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! Correct height tracking
|
||||
|
|
|
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|
|
@ -1,7 +1,8 @@
|
|||
! Copyright (C) 2008 Slava Pestov.
|
||||
! Copyright (C) 2008, 2009 Slava Pestov.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors classes kernel math namespaces combinators
|
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compiler.cfg.instructions compiler.cfg.value-numbering.graph ;
|
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combinators.short-circuit compiler.cfg.instructions
|
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compiler.cfg.value-numbering.graph ;
|
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IN: compiler.cfg.value-numbering.expressions
|
||||
|
||||
! Referentially-transparent expressions
|
||||
|
|
@ -11,15 +12,29 @@ TUPLE: binary-expr < expr in1 in2 ;
|
|||
TUPLE: commutative-expr < binary-expr ;
|
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TUPLE: compare-expr < binary-expr cc ;
|
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TUPLE: constant-expr < expr value ;
|
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TUPLE: reference-expr < expr value ;
|
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|
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: <constant> ( constant -- expr )
|
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f swap constant-expr boa ; inline
|
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|
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M: constant-expr equal?
|
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over constant-expr? [
|
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[ [ value>> ] bi@ = ]
|
||||
[ [ value>> class ] bi@ = ] 2bi
|
||||
and
|
||||
{
|
||||
[ [ value>> class ] bi@ = ]
|
||||
[ [ value>> ] bi@ = ]
|
||||
} 2&&
|
||||
] [ 2drop f ] if ;
|
||||
|
||||
: <reference> ( constant -- expr )
|
||||
f swap reference-expr boa ; inline
|
||||
|
||||
M: reference-expr equal?
|
||||
over reference-expr? [
|
||||
[ value>> ] bi@ {
|
||||
{ [ 2dup eq? ] [ 2drop t ] }
|
||||
{ [ 2dup [ float? ] both? ] [ fp-bitwise= ] }
|
||||
[ 2drop f ]
|
||||
} cond
|
||||
] [ 2drop f ] if ;
|
||||
|
||||
! Expressions whose values are inputs to the basic block. We
|
||||
|
|
@ -39,6 +54,8 @@ GENERIC: >expr ( insn -- expr )
|
|||
|
||||
M: ##load-immediate >expr val>> <constant> ;
|
||||
|
||||
M: ##load-reference >expr obj>> <reference> ;
|
||||
|
||||
M: ##unary >expr
|
||||
[ class ] [ src>> vreg>vn ] bi unary-expr boa ;
|
||||
|
||||
|
|
|
|||
|
|
@ -1,8 +1,9 @@
|
|||
! Copyright (C) 2008, 2009 Slava Pestov, Doug Coleman.
|
||||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: accessors locals combinators combinators.short-circuit arrays
|
||||
USING: accessors combinators combinators.short-circuit arrays
|
||||
fry kernel layouts math namespaces sequences cpu.architecture
|
||||
math.bitwise classes
|
||||
math.bitwise math.order classes vectors
|
||||
compiler.cfg
|
||||
compiler.cfg.hats
|
||||
compiler.cfg.comparisons
|
||||
compiler.cfg.instructions
|
||||
|
|
@ -11,6 +12,12 @@ compiler.cfg.value-numbering.graph
|
|||
compiler.cfg.value-numbering.simplify ;
|
||||
IN: compiler.cfg.value-numbering.rewrite
|
||||
|
||||
: vreg-small-constant? ( vreg -- ? )
|
||||
vreg>expr {
|
||||
[ constant-expr? ]
|
||||
[ value>> small-enough? ]
|
||||
} 1&& ;
|
||||
|
||||
! Outputs f to mean no change
|
||||
|
||||
GENERIC: rewrite* ( insn -- insn/f )
|
||||
|
|
@ -76,48 +83,6 @@ M: ##compare-imm rewrite-tagged-comparison
|
|||
[ dst>> ] [ (rewrite-tagged-comparison) ] bi
|
||||
i \ ##compare-imm new-insn ;
|
||||
|
||||
M: ##compare-imm-branch rewrite*
|
||||
{
|
||||
{ [ dup rewrite-boolean-comparison? ] [ rewrite-boolean-comparison ] }
|
||||
{ [ dup rewrite-tagged-comparison? ] [ rewrite-tagged-comparison ] }
|
||||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
:: >compare-imm ( insn swap? -- insn' )
|
||||
insn dst>>
|
||||
insn src1>>
|
||||
insn src2>> swap? [ swap ] when vreg>constant
|
||||
insn cc>> swap? [ swap-cc ] when
|
||||
i \ ##compare-imm new-insn ; inline
|
||||
|
||||
: vreg-small-constant? ( vreg -- ? )
|
||||
vreg>expr {
|
||||
[ constant-expr? ]
|
||||
[ value>> small-enough? ]
|
||||
} 1&& ;
|
||||
|
||||
M: ##compare rewrite*
|
||||
dup [ src1>> ] [ src2>> ] bi
|
||||
[ vreg-small-constant? ] bi@ 2array {
|
||||
{ { f t } [ f >compare-imm ] }
|
||||
{ { t f } [ t >compare-imm ] }
|
||||
[ 2drop f ]
|
||||
} case ;
|
||||
|
||||
:: >compare-imm-branch ( insn swap? -- insn' )
|
||||
insn src1>>
|
||||
insn src2>> swap? [ swap ] when vreg>constant
|
||||
insn cc>> swap? [ swap-cc ] when
|
||||
\ ##compare-imm-branch new-insn ; inline
|
||||
|
||||
M: ##compare-branch rewrite*
|
||||
dup [ src1>> ] [ src2>> ] bi
|
||||
[ vreg-small-constant? ] bi@ 2array {
|
||||
{ { f t } [ f >compare-imm-branch ] }
|
||||
{ { t f } [ t >compare-imm-branch ] }
|
||||
[ 2drop f ]
|
||||
} case ;
|
||||
|
||||
: rewrite-redundant-comparison? ( insn -- ? )
|
||||
{
|
||||
[ src1>> vreg>expr compare-expr? ]
|
||||
|
|
@ -133,10 +98,109 @@ M: ##compare-branch rewrite*
|
|||
} case
|
||||
swap cc= eq? [ [ negate-cc ] change-cc ] when ;
|
||||
|
||||
ERROR: bad-comparison ;
|
||||
|
||||
: (fold-compare-imm) ( insn -- ? )
|
||||
[ [ src1>> vreg>constant ] [ src2>> ] bi ] [ cc>> ] bi
|
||||
pick integer?
|
||||
[ [ <=> ] dip evaluate-cc ]
|
||||
[
|
||||
2nip {
|
||||
{ cc= [ f ] }
|
||||
{ cc/= [ t ] }
|
||||
[ bad-comparison ]
|
||||
} case
|
||||
] if ;
|
||||
|
||||
: fold-compare-imm? ( insn -- ? )
|
||||
src1>> vreg>expr [ constant-expr? ] [ reference-expr? ] bi or ;
|
||||
|
||||
: fold-branch ( ? -- insn )
|
||||
0 1 ?
|
||||
basic-block get [ nth 1vector ] change-successors drop
|
||||
\ ##branch new-insn ;
|
||||
|
||||
: fold-compare-imm-branch ( insn -- insn/f )
|
||||
(fold-compare-imm) fold-branch ;
|
||||
|
||||
M: ##compare-imm-branch rewrite*
|
||||
{
|
||||
{ [ dup rewrite-boolean-comparison? ] [ rewrite-boolean-comparison ] }
|
||||
{ [ dup rewrite-tagged-comparison? ] [ rewrite-tagged-comparison ] }
|
||||
{ [ dup fold-compare-imm? ] [ fold-compare-imm-branch ] }
|
||||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
: swap-compare ( src1 src2 cc swap? -- src1 src2 cc )
|
||||
[ [ swap ] dip swap-cc ] when ; inline
|
||||
|
||||
: >compare-imm-branch ( insn swap? -- insn' )
|
||||
[
|
||||
[ src1>> ]
|
||||
[ src2>> ]
|
||||
[ cc>> ]
|
||||
tri
|
||||
] dip
|
||||
swap-compare
|
||||
[ vreg>constant ] dip
|
||||
\ ##compare-imm-branch new-insn ; inline
|
||||
|
||||
: self-compare? ( insn -- ? )
|
||||
[ src1>> ] [ src2>> ] bi [ vreg>vn ] bi@ = ; inline
|
||||
|
||||
: (rewrite-self-compare) ( insn -- ? )
|
||||
cc>> { cc= cc<= cc>= } memq? ;
|
||||
|
||||
: rewrite-self-compare-branch ( insn -- insn' )
|
||||
(rewrite-self-compare) fold-branch ;
|
||||
|
||||
M: ##compare-branch rewrite*
|
||||
{
|
||||
{ [ dup src1>> vreg-small-constant? ] [ t >compare-imm-branch ] }
|
||||
{ [ dup src2>> vreg-small-constant? ] [ f >compare-imm-branch ] }
|
||||
{ [ dup self-compare? ] [ rewrite-self-compare-branch ] }
|
||||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
: >compare-imm ( insn swap? -- insn' )
|
||||
[
|
||||
{
|
||||
[ dst>> ]
|
||||
[ src1>> ]
|
||||
[ src2>> ]
|
||||
[ cc>> ]
|
||||
} cleave
|
||||
] dip
|
||||
swap-compare
|
||||
[ vreg>constant ] dip
|
||||
i \ ##compare-imm new-insn ; inline
|
||||
|
||||
: >boolean-insn ( insn ? -- insn' )
|
||||
[ dst>> ] dip
|
||||
{
|
||||
{ t [ t \ ##load-reference new-insn ] }
|
||||
{ f [ \ f tag-number \ ##load-immediate new-insn ] }
|
||||
} case ;
|
||||
|
||||
: rewrite-self-compare ( insn -- insn' )
|
||||
dup (rewrite-self-compare) >boolean-insn ;
|
||||
|
||||
M: ##compare rewrite*
|
||||
{
|
||||
{ [ dup src1>> vreg-small-constant? ] [ t >compare-imm ] }
|
||||
{ [ dup src2>> vreg-small-constant? ] [ f >compare-imm ] }
|
||||
{ [ dup self-compare? ] [ rewrite-self-compare ] }
|
||||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
: fold-compare-imm ( insn -- insn' )
|
||||
dup (fold-compare-imm) >boolean-insn ;
|
||||
|
||||
M: ##compare-imm rewrite*
|
||||
{
|
||||
{ [ dup rewrite-redundant-comparison? ] [ rewrite-redundant-comparison ] }
|
||||
{ [ dup rewrite-tagged-comparison? ] [ rewrite-tagged-comparison ] }
|
||||
{ [ dup fold-compare-imm? ] [ fold-compare-imm ] }
|
||||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
|
|
@ -160,22 +224,19 @@ M: ##shl-imm constant-fold* drop shift ;
|
|||
[ [ src1>> vreg>constant ] [ src2>> ] [ ] tri constant-fold* ] bi
|
||||
\ ##load-immediate new-insn ; inline
|
||||
|
||||
:: new-imm-insn ( insn dst src1 src2 op -- new-insn/insn )
|
||||
src2 small-enough? [ dst src1 src2 op new-insn ] [ insn ] if ; inline
|
||||
|
||||
: reassociate? ( insn -- ? )
|
||||
[ src1>> vreg>expr op>> ] [ class ] bi = ; inline
|
||||
|
||||
: reassociate ( insn op -- insn )
|
||||
[
|
||||
{
|
||||
[ ]
|
||||
[ dst>> ]
|
||||
[ src1>> vreg>expr [ in1>> vn>vreg ] [ in2>> vn>constant ] bi ]
|
||||
[ src2>> ]
|
||||
[ ]
|
||||
} cleave constant-fold*
|
||||
] dip new-imm-insn ; inline
|
||||
] dip
|
||||
over small-enough? [ new-insn ] [ 2drop 2drop f ] if ; inline
|
||||
|
||||
M: ##add-imm rewrite*
|
||||
{
|
||||
|
|
@ -185,8 +246,8 @@ M: ##add-imm rewrite*
|
|||
} cond ;
|
||||
|
||||
: sub-imm>add-imm ( insn -- insn' )
|
||||
dup [ dst>> ] [ src1>> ] [ src2>> neg ] tri dup small-enough?
|
||||
[ \ ##add-imm new-insn nip ] [ 2drop 2drop f ] if ;
|
||||
[ dst>> ] [ src1>> ] [ src2>> neg ] tri dup small-enough?
|
||||
[ \ ##add-imm new-insn ] [ 3drop f ] if ;
|
||||
|
||||
M: ##sub-imm rewrite*
|
||||
{
|
||||
|
|
@ -247,12 +308,11 @@ M: ##sar-imm rewrite*
|
|||
[ drop f ]
|
||||
} cond ;
|
||||
|
||||
:: insn>imm-insn ( insn op swap? -- )
|
||||
insn
|
||||
insn dst>>
|
||||
insn src1>>
|
||||
insn src2>> swap? [ swap ] when vreg>constant
|
||||
op new-imm-insn ; inline
|
||||
: insn>imm-insn ( insn op swap? -- )
|
||||
swap [
|
||||
[ [ dst>> ] [ src1>> ] [ src2>> ] tri ] dip
|
||||
[ swap ] when vreg>constant
|
||||
] dip new-insn ; inline
|
||||
|
||||
: rewrite-arithmetic ( insn op -- ? )
|
||||
{
|
||||
|
|
|
|||
|
|
@ -2,7 +2,9 @@ IN: compiler.cfg.value-numbering.tests
|
|||
USING: compiler.cfg.value-numbering compiler.cfg.instructions
|
||||
compiler.cfg.registers compiler.cfg.debugger compiler.cfg.comparisons
|
||||
cpu.architecture tools.test kernel math combinators.short-circuit
|
||||
accessors sequences compiler.cfg vectors arrays layouts ;
|
||||
accessors sequences compiler.cfg.predecessors
|
||||
compiler.cfg.phi-elimination compiler.cfg.dce compiler.cfg.liveness
|
||||
compiler.cfg assocs vectors arrays layouts namespaces ;
|
||||
|
||||
: trim-temps ( insns -- insns )
|
||||
[
|
||||
|
|
@ -17,6 +19,55 @@ accessors sequences compiler.cfg vectors arrays layouts ;
|
|||
{ } init-value-numbering
|
||||
value-numbering-step ;
|
||||
|
||||
! Folding constants together
|
||||
[
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 0.0 }
|
||||
T{ ##load-reference f V int-regs 1 -0.0 }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 1 D 1 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 0.0 }
|
||||
T{ ##load-reference f V int-regs 1 -0.0 }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 1 D 1 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 0.0 }
|
||||
T{ ##load-reference f V int-regs 1 0.0 }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 0 D 1 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 0.0 }
|
||||
T{ ##load-reference f V int-regs 1 0.0 }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 1 D 1 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 t }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 0 D 1 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-reference f V int-regs 0 t }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
T{ ##replace f V int-regs 0 D 0 }
|
||||
T{ ##replace f V int-regs 1 D 1 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
! Copy propagation
|
||||
[
|
||||
{
|
||||
|
|
@ -805,4 +856,479 @@ cell 8 = [
|
|||
T{ ##add f V int-regs 3 V int-regs 0 V int-regs 2 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
] when
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 2 140737488355328 }
|
||||
T{ ##add f V int-regs 3 V int-regs 0 V int-regs 2 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 2 140737488355328 }
|
||||
T{ ##add f V int-regs 3 V int-regs 0 V int-regs 2 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 2 2147483647 }
|
||||
T{ ##add-imm f V int-regs 3 V int-regs 0 2147483647 }
|
||||
T{ ##add-imm f V int-regs 4 V int-regs 3 2147483647 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 2 2147483647 }
|
||||
T{ ##add f V int-regs 3 V int-regs 0 V int-regs 2 }
|
||||
T{ ##add f V int-regs 4 V int-regs 3 V int-regs 2 }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
] when
|
||||
|
||||
! Branch folding
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##load-immediate f V int-regs 3 5 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare f V int-regs 3 V int-regs 1 V int-regs 2 cc= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##load-reference f V int-regs 3 t }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare f V int-regs 3 V int-regs 1 V int-regs 2 cc/= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##load-reference f V int-regs 3 t }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare f V int-regs 3 V int-regs 1 V int-regs 2 cc< }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##load-immediate f V int-regs 3 5 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare f V int-regs 3 V int-regs 2 V int-regs 1 cc< }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 1 5 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc< }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc<= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 1 5 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc> }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc>= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-immediate f V int-regs 1 5 }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc/= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
}
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc= }
|
||||
} test-value-numbering
|
||||
] unit-test
|
||||
|
||||
: test-branch-folding ( insns -- insns' n )
|
||||
<basic-block>
|
||||
[ V{ 0 1 } clone >>successors basic-block set test-value-numbering ] keep
|
||||
successors>> first ;
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##branch }
|
||||
}
|
||||
1
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare-branch f V int-regs 1 V int-regs 2 cc= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare-branch f V int-regs 1 V int-regs 2 cc/= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare-branch f V int-regs 1 V int-regs 2 cc< }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##branch }
|
||||
}
|
||||
1
|
||||
] [
|
||||
{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##compare-branch f V int-regs 2 V int-regs 1 cc< }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
1
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc< }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc<= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
1
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc> }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc>= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
}
|
||||
1
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc/= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
[
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##load-reference f V int-regs 1 t }
|
||||
T{ ##branch }
|
||||
}
|
||||
0
|
||||
] [
|
||||
{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare f V int-regs 1 V int-regs 0 V int-regs 0 cc<= }
|
||||
T{ ##compare-imm-branch f V int-regs 1 5 cc/= }
|
||||
} test-branch-folding
|
||||
] unit-test
|
||||
|
||||
! More branch folding tests
|
||||
V{ T{ ##branch } } 0 test-bb
|
||||
|
||||
V{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##compare-branch f V int-regs 0 V int-regs 0 cc< }
|
||||
} 1 test-bb
|
||||
|
||||
V{
|
||||
T{ ##load-immediate f V int-regs 1 1 }
|
||||
T{ ##branch }
|
||||
} 2 test-bb
|
||||
|
||||
V{
|
||||
T{ ##load-immediate f V int-regs 2 2 }
|
||||
T{ ##branch }
|
||||
} 3 test-bb
|
||||
|
||||
V{
|
||||
T{ ##phi f V int-regs 3 { } }
|
||||
T{ ##replace f V int-regs 3 D 0 }
|
||||
T{ ##return }
|
||||
} 4 test-bb
|
||||
|
||||
4 get instructions>> first
|
||||
2 get V int-regs 1 2array
|
||||
3 get V int-regs 2 2array 2array
|
||||
>>inputs drop
|
||||
|
||||
test-diamond
|
||||
|
||||
[ ] [
|
||||
cfg new 0 get >>entry
|
||||
compute-liveness
|
||||
value-numbering
|
||||
compute-predecessors
|
||||
eliminate-phis drop
|
||||
] unit-test
|
||||
|
||||
[ 1 ] [ 1 get successors>> length ] unit-test
|
||||
|
||||
[ t ] [ 1 get successors>> first 3 get eq? ] unit-test
|
||||
|
||||
[ T{ ##copy f V int-regs 3 V int-regs 2 } ]
|
||||
[ 3 get successors>> first instructions>> first ]
|
||||
unit-test
|
||||
|
||||
[ 2 ] [ 4 get instructions>> length ] unit-test
|
||||
|
||||
V{
|
||||
T{ ##peek f V int-regs 0 D 0 }
|
||||
T{ ##branch }
|
||||
} 0 test-bb
|
||||
|
||||
V{
|
||||
T{ ##peek f V int-regs 1 D 1 }
|
||||
T{ ##compare-branch f V int-regs 1 V int-regs 1 cc< }
|
||||
} 1 test-bb
|
||||
|
||||
V{
|
||||
T{ ##copy f V int-regs 2 V int-regs 0 }
|
||||
T{ ##branch }
|
||||
} 2 test-bb
|
||||
|
||||
V{
|
||||
T{ ##phi f V int-regs 3 V{ } }
|
||||
T{ ##branch }
|
||||
} 3 test-bb
|
||||
|
||||
V{
|
||||
T{ ##replace f V int-regs 3 D 0 }
|
||||
T{ ##return }
|
||||
} 4 test-bb
|
||||
|
||||
1 get V int-regs 1 2array
|
||||
2 get V int-regs 0 2array 2array 3 get instructions>> first (>>inputs)
|
||||
|
||||
test-diamond
|
||||
|
||||
[ ] [
|
||||
cfg new 0 get >>entry
|
||||
compute-predecessors
|
||||
compute-liveness
|
||||
value-numbering
|
||||
compute-predecessors
|
||||
eliminate-dead-code
|
||||
drop
|
||||
] 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 V int-regs 15 } { loc D 0 } }
|
||||
T{ ##copy { dst V int-regs 16 } { src V int-regs 15 } }
|
||||
T{ ##copy { dst V int-regs 17 } { src V int-regs 15 } }
|
||||
T{ ##copy { dst V int-regs 18 } { src V int-regs 15 } }
|
||||
T{ ##copy { dst V int-regs 19 } { src V int-regs 15 } }
|
||||
T{ ##compare
|
||||
{ dst V int-regs 20 }
|
||||
{ src1 V int-regs 18 }
|
||||
{ src2 V int-regs 19 }
|
||||
{ cc cc= }
|
||||
{ temp V int-regs 22 }
|
||||
}
|
||||
T{ ##copy { dst V int-regs 21 } { src V int-regs 20 } }
|
||||
T{ ##compare-imm-branch
|
||||
{ src1 V int-regs 21 }
|
||||
{ src2 5 }
|
||||
{ cc cc/= }
|
||||
}
|
||||
} 1 test-bb
|
||||
|
||||
V{
|
||||
T{ ##copy { dst V int-regs 23 } { src V int-regs 15 } }
|
||||
T{ ##copy { dst V int-regs 24 } { src V int-regs 15 } }
|
||||
T{ ##load-reference { dst V int-regs 25 } { obj t } }
|
||||
T{ ##branch }
|
||||
} 2 test-bb
|
||||
|
||||
V{
|
||||
T{ ##replace { src V int-regs 25 } { loc D 0 } }
|
||||
T{ ##epilogue }
|
||||
T{ ##return }
|
||||
} 3 test-bb
|
||||
|
||||
V{
|
||||
T{ ##copy { dst V int-regs 26 } { src V int-regs 15 } }
|
||||
T{ ##copy { dst V int-regs 27 } { src V int-regs 15 } }
|
||||
T{ ##add
|
||||
{ dst V int-regs 28 }
|
||||
{ src1 V int-regs 26 }
|
||||
{ src2 V int-regs 27 }
|
||||
}
|
||||
T{ ##branch }
|
||||
} 4 test-bb
|
||||
|
||||
V{
|
||||
T{ ##replace { src V int-regs 28 } { loc D 0 } }
|
||||
T{ ##epilogue }
|
||||
T{ ##return }
|
||||
} 5 test-bb
|
||||
|
||||
0 get 1 get 1vector >>successors drop
|
||||
1 get 2 get 4 get V{ } 2sequence >>successors drop
|
||||
2 get 3 get 1vector >>successors drop
|
||||
4 get 5 get 1vector >>successors drop
|
||||
|
||||
[ ] [
|
||||
cfg new 0 get >>entry
|
||||
compute-liveness value-numbering eliminate-dead-code drop
|
||||
] unit-test
|
||||
|
||||
[ f ] [ 1 get instructions>> [ ##peek? ] any? ] unit-test
|
||||
|
|
@ -2,6 +2,7 @@
|
|||
! See http://factorcode.org/license.txt for BSD license.
|
||||
USING: namespaces assocs biassocs classes kernel math accessors
|
||||
sorting sets sequences fry
|
||||
compiler.cfg
|
||||
compiler.cfg.local
|
||||
compiler.cfg.liveness
|
||||
compiler.cfg.renaming
|
||||
|
|
@ -11,6 +12,8 @@ compiler.cfg.value-numbering.simplify
|
|||
compiler.cfg.value-numbering.rewrite ;
|
||||
IN: compiler.cfg.value-numbering
|
||||
|
||||
! Local value numbering. Predecessors must be recomputed after this
|
||||
|
||||
: number-input-values ( live-in -- )
|
||||
[ [ f next-input-expr simplify ] dip set-vn ] each ;
|
||||
|
||||
|
|
@ -32,4 +35,5 @@ IN: compiler.cfg.value-numbering
|
|||
[ rewrite ] map dup rename-uses ;
|
||||
|
||||
: value-numbering ( cfg -- cfg' )
|
||||
[ init-value-numbering ] [ value-numbering-step ] local-optimization ;
|
||||
[ init-value-numbering ] [ value-numbering-step ] local-optimization
|
||||
cfg-changed ;
|
||||
|
|
|
|||
|
|
@ -318,4 +318,7 @@ M: cucumber equal? "The cucumber has no equal" throw ;
|
|||
|
||||
cell 4 = [
|
||||
[ 0 ] [ 101 [ dup fixnum-fast 1 fixnum+fast 20 fixnum-shift-fast 20 fixnum-shift-fast ] compile-call ] unit-test
|
||||
] when
|
||||
] when
|
||||
|
||||
! Regression from Slava's value numbering changes
|
||||
[ 1 ] [ 31337 [ dup fixnum<= [ 1 ] [ 2 ] if ] compile-call ] unit-test
|
||||
Loading…
Reference in New Issue