| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=aarch64 -run-pass=legalizer %s -o - -enable-cse-in-legalizer=1 | FileCheck %s |
| --- |
| name: test_cse_in_legalizer |
| body: | |
| bb.0.entry: |
| ; CHECK-LABEL: name: test_cse_in_legalizer |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) |
| ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C]] |
| ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[AND]](s32) |
| ; CHECK: $w0 = COPY [[COPY1]](s32) |
| ; CHECK: $w0 = COPY [[AND]](s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s8) = G_TRUNC %0(s64) |
| %19:_(s32) = G_ZEXT %1(s8) |
| $w0 = COPY %19(s32) |
| %2:_(s8) = G_TRUNC %0(s64) |
| %20:_(s32) = G_ZEXT %2(s8) |
| $w0 = COPY %20(s32) |
