forked from OSchip/llvm-project
32 lines
1.0 KiB
YAML
32 lines
1.0 KiB
YAML
# 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: dont_combine_ptr_add
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $x1, $x2
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; G_PTR_ADD can become a madd, so we don't want to perform the combine.
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; CHECK-LABEL: name: dont_combine_ptr_add
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; CHECK: liveins: $x0, $x1, $x2
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; CHECK: %reg0:_(s64) = COPY $x0
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; CHECK: %ptr:_(p0) = COPY $x2
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; CHECK: %cst:_(s64) = G_CONSTANT i64 6
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; CHECK: %mul:_(s64) = nsw G_MUL %reg0, %cst
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; CHECK: %ptr_add:_(p0) = G_PTR_ADD %ptr, %mul(s64)
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; CHECK: $x0 = COPY %ptr_add(p0)
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; CHECK: RET_ReallyLR implicit $x0
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%reg0:_(s64) = COPY $x0
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%reg1:_(s64) = COPY $x1
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%ptr:_(p0) = COPY $x2
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%cst:_(s64) = G_CONSTANT i64 6
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%mul:_(s64) = nsw G_MUL %reg0, %cst
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%ptr_add:_(p0) = G_PTR_ADD %ptr, %mul
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$x0 = COPY %ptr_add(p0)
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RET_ReallyLR implicit $x0
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