# 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: remove_kill_flags tracksRegLiveness: true body: | bb.0.entry: liveins: $w0 ; CHECK-LABEL: name: remove_kill_flags ; CHECK: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[MOVIv2d_ns:%[0-9]+]]:fpr128 = MOVIv2d_ns 0 ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr64 = COPY [[MOVIv2d_ns]].dsub ; CHECK-NEXT: [[UQSHLv8i8_shift:%[0-9]+]]:fpr64 = UQSHLv8i8_shift killed [[COPY]], 1 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:fpr128 = SUBREG_TO_REG [[UQSHLv8i8_shift]], %subreg.dsub ; CHECK-NEXT: [[TBLv8i8One:%[0-9]+]]:fpr64 = TBLv8i8One killed [[SUBREG_TO_REG]], [[UQSHLv8i8_shift]] ; CHECK-NEXT: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF ; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], [[UQSHLv8i8_shift]], %subreg.dsub ; CHECK-NEXT: RET_ReallyLR implicit $w0 %0:fpr128 = MOVIv2d_ns 0 %1:fpr64 = COPY %0.dsub:fpr128 %2:fpr64 = UQSHLv8i8_shift killed %1:fpr64, 1 %3:fpr64 = FMOVDr %2:fpr64 %4:fpr128 = SUBREG_TO_REG killed %3:fpr64, %subreg.dsub %5:fpr64 = TBLv8i8One killed %4:fpr128, %2:fpr64 %7:fpr128 = IMPLICIT_DEF %6:fpr128 = INSERT_SUBREG %7:fpr128, killed %2:fpr64, %subreg.dsub RET_ReallyLR implicit $w0 ... --- name: remove_kill_flags2 tracksRegLiveness: true body: | bb.0.entry: liveins: $w0 ; CHECK-LABEL: name: remove_kill_flags2 ; CHECK: liveins: $w0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[MOVIv2d_ns:%[0-9]+]]:fpr128 = MOVIv2d_ns 0 ; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr64 = COPY [[MOVIv2d_ns]].dsub ; CHECK-NEXT: [[UQSHLv8i8_shift:%[0-9]+]]:fpr64 = UQSHLv8i8_shift killed [[COPY]], 1 ; CHECK-NEXT: [[SUBREG_TO_REG:%[0-9]+]]:fpr128 = SUBREG_TO_REG [[UQSHLv8i8_shift]], %subreg.dsub ; CHECK-NEXT: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF ; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], [[UQSHLv8i8_shift]], %subreg.dsub ; CHECK-NEXT: [[DEF1:%[0-9]+]]:fpr128 = IMPLICIT_DEF ; CHECK-NEXT: [[INSERT_SUBREG1:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF1]], [[UQSHLv8i8_shift]], %subreg.dsub ; CHECK-NEXT: RET_ReallyLR implicit $w0 %0:fpr128 = MOVIv2d_ns 0 %1:fpr64 = COPY %0.dsub:fpr128 %2:fpr64 = UQSHLv8i8_shift killed %1:fpr64, 1 %3:fpr64 = FMOVDr %2:fpr64 %4:fpr128 = SUBREG_TO_REG %3:fpr64, %subreg.dsub %7:fpr128 = IMPLICIT_DEF %6:fpr128 = INSERT_SUBREG %7:fpr128, killed %2:fpr64, %subreg.dsub %9:fpr128 = IMPLICIT_DEF %8:fpr128 = INSERT_SUBREG %9:fpr128, killed %3:fpr64, %subreg.dsub RET_ReallyLR implicit $w0 ...