| # 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: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 |
| ; CHECK: $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: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 |
| ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32) |
| ; CHECK: $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>) |
| ... |