36 lines
1.3 KiB
YAML
36 lines
1.3 KiB
YAML
# RUN: llc -mtriple=x86_64-- -run-pass=regallocfast -o - %s | FileCheck %s
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# If the tied use is undef value, fastregalloc should free the def register.
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# There is no reload needed for the undef value.
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...
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---
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name: foo
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: vr128 }
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frameInfo:
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maxAlignment: 16
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stack:
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- { id: 0, size: 64, alignment: 16 }
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- { id: 1, size: 16, alignment: 16 }
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machineFunctionInfo: {}
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body: |
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bb.0.entry:
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; CHECK-LABEL: bb.0.entry
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; CHECK-NEXT: renamable $xmm0 = PXORrr undef renamable $xmm0, undef renamable $xmm0
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; CHECK-NEXT: MOVAPSmr %stack.1, 1, $noreg, 0, $noreg, renamable $xmm0
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; CHECK-NEXT: MOVAPSmr %stack.0, 1, $noreg, 0, $noreg, renamable $xmm0
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; CHECK-NEXT: MOVAPSmr %stack.0, 1, $noreg, 16, $noreg, renamable $xmm0
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; CHECK-NEXT: MOVAPSmr %stack.0, 1, $noreg, 32, $noreg, renamable $xmm0
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; CHECK-NEXT: MOVAPSmr %stack.0, 1, $noreg, 48, $noreg, killed renamable $xmm0
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%0:vr128 = PXORrr undef %0, undef %0
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MOVAPSmr %stack.1, 1, $noreg, 0, $noreg, %0
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MOVAPSmr %stack.0, 1, $noreg, 0, $noreg, %0
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MOVAPSmr %stack.0, 1, $noreg, 16, $noreg, %0
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MOVAPSmr %stack.0, 1, $noreg, 32, $noreg, %0
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MOVAPSmr %stack.0, 1, $noreg, 48, $noreg, killed %0
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RET 0
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...
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