47 lines
1.1 KiB
Text
47 lines
1.1 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 -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
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...
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---
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name: delete_store_undef
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $x0
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; A store of an implicit def can safely be deleted before or after
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; legalization.
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; CHECK-LABEL: name: delete_store_undef
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; CHECK: liveins: $x0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: RET_ReallyLR
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%0:_(p0) = COPY $x0
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%1:_(s32) = G_IMPLICIT_DEF
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G_STORE %1(s32), %0(p0) :: (store (s32))
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RET_ReallyLR
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...
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---
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name: delete_add_undef
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $x0
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; CHECK-LABEL: name: delete_add_undef
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; CHECK: liveins: $x0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
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; CHECK-NEXT: $x0 = COPY [[DEF]](s64)
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; CHECK-NEXT: RET_ReallyLR
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%0:_(s64) = COPY $x0
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%1:_(s64) = G_IMPLICIT_DEF
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%add:_(s64) = G_ADD %0(s64), %1(s64)
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$x0 = COPY %add
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RET_ReallyLR
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...
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