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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/GlobalISel/combine-binop-undef-left-to-zero.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s | FileCheck %s
---
name: test_combine_shl_undef_x_s32
body: |
bb.1:
liveins: $w0
; CHECK-LABEL: name: test_combine_shl_undef_x_s32
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: $w0 = COPY [[C]](s32)
%0:_(s32) = COPY $w0
%1:_(s32) = G_IMPLICIT_DEF
%2:_(s32) = G_SHL %1(s32), %0(s32)
$w0 = COPY %2(s32)
...
---
name: test_combine_shl_undef_x_v2s32
body: |
bb.1:
liveins: $d0
; CHECK-LABEL: name: test_combine_shl_undef_x_v2s32
; CHECK: liveins: $d0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
; CHECK-NEXT: $d0 = COPY [[BUILD_VECTOR]](<2 x s32>)
%0:_(<2 x s32>) = COPY $d0
%1:_(<2 x s32>) = G_IMPLICIT_DEF
%2:_(<2 x s32>) = G_SHL %1(<2 x s32>), %0(<2 x s32>)
$d0 = COPY %2(<2 x s32>)
...
---
name: udiv_scalar
body: |
bb.1:
liveins: $w0
; CHECK-LABEL: name: udiv_scalar
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %op:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: $w0 = COPY %op(s32)
%rhs:_(s32) = COPY $w0
%undef:_(s32) = G_IMPLICIT_DEF
%op:_(s32) = G_UDIV %undef(s32), %rhs(s32)
$w0 = COPY %op(s32)
...
---
name: udiv_vector
body: |
bb.1:
liveins: $d0
; CHECK-LABEL: name: udiv_vector
; CHECK: liveins: $d0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: %op:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
; CHECK-NEXT: $d0 = COPY %op(<2 x s32>)
%rhs:_(<2 x s32>) = COPY $d0
%undef:_(<2 x s32>) = G_IMPLICIT_DEF
%op:_(<2 x s32>) = G_UDIV %undef(<2 x s32>), %rhs(<2 x s32>)
$d0 = COPY %op(<2 x s32>)
...
---
name: urem_scalar
body: |
bb.1:
liveins: $w0
; CHECK-LABEL: name: urem_scalar
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: %op:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: $w0 = COPY %op(s32)
%rhs:_(s32) = COPY $w0
%undef:_(s32) = G_IMPLICIT_DEF
%op:_(s32) = G_UREM %undef(s32), %rhs(s32)
$w0 = COPY %op(s32)
...
---
name: urem_vector
body: |
bb.1:
liveins: $d0
; CHECK-LABEL: name: urem_vector
; CHECK: liveins: $d0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK-NEXT: %op:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
; CHECK-NEXT: $d0 = COPY %op(<2 x s32>)
%rhs:_(<2 x s32>) = COPY $d0
%undef:_(<2 x s32>) = G_IMPLICIT_DEF
%op:_(<2 x s32>) = G_UREM %undef(<2 x s32>), %rhs(<2 x s32>)
$d0 = COPY %op(<2 x s32>)