1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s | FileCheck %s
4 name: test_combine_shl_undef_x_s32
8 ; CHECK-LABEL: name: test_combine_shl_undef_x_s32
9 ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
10 ; CHECK: $w0 = COPY [[C]](s32)
12 %1:_(s32) = G_IMPLICIT_DEF
13 %2:_(s32) = G_SHL %1(s32), %0(s32)
17 name: test_combine_shl_undef_x_v2s32
21 ; CHECK-LABEL: name: test_combine_shl_undef_x_v2s32
22 ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
23 ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
24 ; CHECK: $d0 = COPY [[BUILD_VECTOR]](<2 x s32>)
25 %0:_(<2 x s32>) = COPY $d0
26 %1:_(<2 x s32>) = G_IMPLICIT_DEF
27 %2:_(<2 x s32>) = G_SHL %1(<2 x s32>), %0(<2 x s32>)
28 $d0 = COPY %2(<2 x s32>)