| # 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: postlegalize_copy_prop |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.1.entry: |
| liveins: $x0, $x1 |
| |
| ; CHECK-LABEL: name: postlegalize_copy_prop |
| ; CHECK: liveins: $x0, $x1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 |
| ; CHECK: [[ADD:%[0-9]+]]:_(s64) = G_ADD [[COPY]], [[COPY1]] |
| ; CHECK: [[ADD1:%[0-9]+]]:_(s64) = G_ADD [[ADD]], [[ADD]] |
| ; CHECK: $x0 = COPY [[ADD1]](s64) |
| ; CHECK: RET_ReallyLR |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = G_ADD %0, %1 |
| %3:_(s64) = COPY %2 |
| %4:_(s64) = G_ADD %3, %3 |
| $x0 = COPY %4 |
| RET_ReallyLR |
| |
| ... |