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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/postlegalizercombiner-mulpow2.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
...
---
name: dont_combine_ptr_add
legalized: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $x0, $x1, $x2
; G_PTR_ADD can become a madd, so we don't want to perform the combine.
; CHECK-LABEL: name: dont_combine_ptr_add
; CHECK: liveins: $x0, $x1, $x2
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %reg0:_(s64) = COPY $x0
; CHECK-NEXT: %reg1:_(s64) = COPY $x1
; CHECK-NEXT: %ptr:_(p0) = COPY $x2
; CHECK-NEXT: %cst:_(s64) = G_CONSTANT i64 6
; CHECK-NEXT: %mul:_(s64) = nsw G_MUL %reg0, %cst
; CHECK-NEXT: %ptr_add:_(p0) = G_PTR_ADD %ptr, %mul(s64)
; CHECK-NEXT: $x0 = COPY %ptr_add(p0)
; CHECK-NEXT: RET_ReallyLR implicit $x0
%reg0:_(s64) = COPY $x0
%reg1:_(s64) = COPY $x1
%ptr:_(p0) = COPY $x2
%cst:_(s64) = G_CONSTANT i64 6
%mul:_(s64) = nsw G_MUL %reg0, %cst
%ptr_add:_(p0) = G_PTR_ADD %ptr, %mul
$x0 = COPY %ptr_add(p0)
RET_ReallyLR implicit $x0