| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=powerpc64le -simplify-mir -verify-machineinstrs \ |
| # RUN: -run-pass=peephole-opt %s -o - | FileCheck %s |
| # Test to show effect of `optimizeCompareInstr` when `equalityOnly` is true. |
| --- |
| name: h |
| alignment: 16 |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: g8rc } |
| - { id: 1, class: g8rc } |
| - { id: 2, class: g8rc_and_g8rc_nox0 } |
| - { id: 3, class: crrc } |
| - { id: 4, class: g8rc_and_g8rc_nox0 } |
| - { id: 5, class: g8rc } |
| liveins: |
| - { reg: '$x3', virtual-reg: '%0' } |
| - { reg: '$x4', virtual-reg: '%1' } |
| frameInfo: |
| maxAlignment: 1 |
| machineFunctionInfo: {} |
| body: | |
| bb.0: |
| liveins: $x3, $x4 |
| |
| ; CHECK-LABEL: name: h |
| ; CHECK: liveins: $x3, $x4 |
| ; CHECK: [[COPY:%[0-9]+]]:g8rc = COPY $x4 |
| ; CHECK: [[COPY1:%[0-9]+]]:g8rc = COPY $x3 |
| ; CHECK: [[SUBF8_rec:%[0-9]+]]:g8rc_and_g8rc_nox0 = SUBF8_rec [[COPY]], [[COPY1]], implicit-def $cr0 |
| ; CHECK: [[COPY2:%[0-9]+]]:crrc = COPY killed $cr0 |
| ; CHECK: [[ISEL8_:%[0-9]+]]:g8rc = ISEL8 $zero8, [[SUBF8_rec]], [[COPY2]].sub_eq |
| ; CHECK: $x3 = COPY [[ISEL8_]] |
| ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3 |
| %1:g8rc = COPY $x4 |
| %0:g8rc = COPY $x3 |
| %2:g8rc_and_g8rc_nox0 = SUBF8 %1, %0 |
| %3:crrc = CMPLD %0, %1 |
| %4:g8rc_and_g8rc_nox0 = LI8 0 |
| %5:g8rc = ISEL8 %4, %2, %3.sub_eq |
| $x3 = COPY %5 |
| BLR8 implicit $lr8, implicit $rm, implicit $x3 |
| |
| ... |