# 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 # RUN: llc -passes=aarch64-mi-peephole-opt -o - -mtriple=aarch64-unknown-linux %s | FileCheck %s --- name: copy_fpr128_gpr32 body: | bb.0: liveins: $q0 ; CHECK-LABEL: name: copy_fpr128_gpr32 ; CHECK: liveins: $q0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr128 = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:fpr32 = COPY [[COPY]].ssub ; CHECK-NEXT: [[FMOVSWr:%[0-9]+]]:gpr32 = FMOVSWr [[COPY1]] %0:fpr128 = COPY $q0 %1:gpr32 = COPY %0.ssub:fpr128 %2:gpr32 = ORRWrs $wzr, killed %1:gpr32, 0 ... --- name: copy_fpr32_gpr32 body: | bb.0: liveins: $s0 ; CHECK-LABEL: name: copy_fpr32_gpr32 ; CHECK: liveins: $s0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr32 = COPY $s0 ; CHECK-NEXT: [[FMOVSWr:%[0-9]+]]:gpr32 = FMOVSWr [[COPY]] %0:fpr32 = COPY $s0 %1:gpr32 = COPY %0:fpr32 %2:gpr32 = ORRWrs $wzr, killed %1:gpr32, 0 ... --- name: copy_zpr_gpr32 body: | bb.0: liveins: $z0 ; CHECK-LABEL: name: copy_zpr_gpr32 ; CHECK: liveins: $z0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:zpr = COPY $z0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:fpr32 = COPY [[COPY]].ssub ; CHECK-NEXT: [[FMOVSWr:%[0-9]+]]:gpr32 = FMOVSWr [[COPY1]] %0:zpr = COPY $z0 %1:gpr32 = COPY %0.ssub:zpr %2:gpr32 = ORRWrs $wzr, killed %1:gpr32, 0 ... --- 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