42 lines
1.2 KiB
Text
42 lines
1.2 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -o - %s | FileCheck %s
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# Test unary_op(undef) -> 0 combines
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...
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---
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name: abs_scalar
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0
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; CHECK-LABEL: name: abs_scalar
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; CHECK: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: %abs:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: $w0 = COPY %abs(s32)
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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%undef:_(s32) = G_IMPLICIT_DEF
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%abs:_(s32) = G_ABS %undef
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$w0 = COPY %abs(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: abs_vector
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $d0
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; CHECK-LABEL: name: abs_vector
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; CHECK: liveins: $d0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK-NEXT: %abs:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
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; CHECK-NEXT: $d0 = COPY %abs(<2 x s32>)
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; CHECK-NEXT: RET_ReallyLR implicit $d0
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%undef:_(<2 x s32>) = G_IMPLICIT_DEF
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%abs:_(<2 x s32>) = G_ABS %undef
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$d0 = COPY %abs(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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