| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -run-pass=aarch64-mi-peephole-opt -o - -mtriple=aarch64-unknown-linux -verify-machineinstrs %s | FileCheck %s |
| |
| --- |
| name: copy_multiple_uses |
| tracksRegLiveness: true |
| body: | |
| ; CHECK-LABEL: name: copy_multiple_uses |
| ; CHECK: bb.0.entry: |
| ; CHECK-NEXT: successors: %bb.1(0x80000000) |
| ; CHECK-NEXT: liveins: $w0, $q0 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr128 = COPY $q0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w0 |
| ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32sp = COPY $w0 |
| ; CHECK-NEXT: B %bb.1 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.1: |
| ; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY2]], 1, 0, implicit-def $nzcv |
| ; CHECK-NEXT: [[COPY3:%[0-9]+]]:fpr32 = COPY [[COPY]].ssub |
| ; CHECK-NEXT: [[FMOVSWr:%[0-9]+]]:gpr32 = FMOVSWr [[COPY3]] |
| ; CHECK-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[FMOVSWr]], [[SUBSWri]] |
| ; CHECK-NEXT: Bcc 2, %bb.1, implicit $nzcv |
| ; CHECK-NEXT: B %bb.2 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.2: |
| ; CHECK-NEXT: $w0 = COPY [[ADDWrr]] |
| ; CHECK-NEXT: RET_ReallyLR implicit $w0 |
| bb.0.entry: |
| liveins: $w0, $q0 |
| %0:fpr128 = COPY $q0 |
| %1:gpr32 = COPY $w0 |
| %6:gpr32sp = COPY $w0 |
| B %bb.1 |
| |
| bb.1: |
| %7:gpr32 = SUBSWri %6, 1, 0, implicit-def $nzcv |
| %2:gpr32 = COPY %0.ssub:fpr128 |
| %3:gpr32 = ORRWrs $wzr, %2:gpr32, 0 |
| %5:gpr32 = ADDWrr %2:gpr32, %7:gpr32 |
| Bcc 2, %bb.1, implicit $nzcv |
| B %bb.2 |
| |
| bb.2: |
| $w0 = COPY %5 |
| RET_ReallyLR implicit $w0 |