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184 lines
5.0 KiB
YAML
184 lines
5.0 KiB
YAML
# RUN: llc -mtriple=powerpc64le--linux-gnu -stop-after ppc-pre-emit-peephole %s -o - -verify-machineinstrs | FileCheck %s
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---
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# LI + XFORM -> DFORM, no killed/dead flag fixup.
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name: testKillPassUpLI1
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#CHECK : name : testKillPassUpLI1
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = LI8 100
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STFSX killed $f1, $x3, $x5
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; CHECK: STFS killed $f1, 100, $x5
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STD killed $x3, killed $x5, 100
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; CHECK: STD killed $x3, killed $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# LI + XFORM -> DFORM, fixup killed/dead flag for $x3, find no use, set def as
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# dead(LI8 is deleted).
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name : testKillPassUpLI2
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# CHECK: name: testKillPassUpLI2
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = LI8 100
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; CHECK-NOT: LI8
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STFSX killed $f1, killed $x3, killed $x5
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; CHECK: STFS killed $f1, 100, killed $x5
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# LI + XFORM -> DFORM, fixup killed/dead flag for $x3, find last use, set last
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# use as killed.
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name: testKillPassUpLI3
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# CHECK: name: testKillPassUpLI3
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = LI8 100
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STD $x3, $x5, 100
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; CHECK: STD killed $x3, $x5, 100
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STFSX killed $f1, killed $x3, $x5
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; CHECK: STFS killed $f1, 100, $x5
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STD killed $x5, $x5, 100
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; CHECK: STD killed $x5, $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# LI + OP -> LI, fixup killed/dead flag for $x3, find last use, set last use as
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# killed.
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name: testKillPassUpLI4
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# CHECK: name: testKillPassUpLI4
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $x5
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$x3 = LI8 100
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STD $x3, $x5, 100
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; CHECK: STD killed $x3, killed $x5, 100
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$x5 = ADDI8 killed $x3, 200
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; CHECK: $x5 = LI8 300
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STD $x5, $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for $x3, find no use, set def as dead
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# (ADDI8 is deleted).
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name: testKillPassUpADD1
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# CHECK: name: testKillPassUpADD1
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 killed $x5, 100
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; CHECK-NOT: ADDI8
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STFSX killed $f1, $zero8, killed $x3
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; CHECK: STFS killed $f1, 100, killed $x5
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for $x3, find last use, set last
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# use as killed.
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name: testKillPassUpADD2
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# CHECK: name: testKillPassUpADD2
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 $x5, 100
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STD $x3, $x5, 100
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; CHECK: STD killed $x3, $x5, 100
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STFSX killed $f1, $zero8, killed $x3
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; CHECK: STFS killed $f1, 100, $x5
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STD killed $x5, $x5, 100
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; CHECK: STD killed $x5, $x5, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for register $x5, DFORM
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# instruction uses $x5 and no other kill uses, set it as killed in
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# DFORM instruction.
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name: testKillPassDownADD1
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# CHECK: name: testKillPassDownADD1
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 killed $x5, 100
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; CHECK: $x3 = ADDI8 $x5, 100
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STFSX killed $f1, $zero8, $x3
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; CHECK: STFS killed $f1, 100, killed $x5
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STD killed $x3, $x3, 100
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; CHECK: STD killed $x3, $x3, 100
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for register $x5, DFORM
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# instruction uses $x5 and there is one kill use, set $x5 as killed in
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# DFORM instruction and clear the other kill use killed flag.
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name: testKillPassDownADD2
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# CHECK: name: testKillPassDownADD2
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 $x5, 100
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STD killed $x5, $x5, 100
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; CHECK: STD $x5, $x5, 100
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STFSX killed $f1, $zero8, killed $x3
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; CHECK: STFS killed $f1, 100, killed $x5
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for register $x3, DFORM
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# instruction defines $x3, do nothing for killed/dead flag.
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name: testKillPassDownADD3
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# CHECK: name: testKillPassDownADD3
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $x5
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$x3 = ADDI8 $x5, 100
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$x3 = LDX $zero8, killed $x3
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; CHECK: $x3 = LD 100, $x5
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STD killed $x5, $x5, 100
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; CHECK: STD killed $x5, $x5, 100
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STD killed $x3, $x3, 200
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; CHECK: STD killed $x3, $x3, 200
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BLR8 implicit $lr8, implicit $rm
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...
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---
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# ADD + XFORM -> DFORM, fixup killed/dead flag for both register $x5 and $x3,
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# DFORM instruction uses $x5 and there is one kill use, set $x5 as killed in
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# DFORM instruction and clear the other kill use killed flag. Find last use for
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# $x3, set last use as killed.
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name: testKillPassDownADD4
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# CHECK: name: testKillPassDownADD4
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tracksRegLiveness: true
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body: |
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bb.0.entry:
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liveins: $x3, $f1, $x5
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$x3 = ADDI8 $x5, 100
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STD killed $x5, $x5, 100
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; CHECK: STD $x5, $x5, 100
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STD $x3, $x3, 200
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; CHECK: STD killed $x3, $x3, 200
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STFSX killed $f1, $zero8, killed $x3
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; CHECK: STFS killed $f1, 100, killed $x5
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BLR8 implicit $lr8, implicit $rm
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...
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