# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5 # RUN: llc -mtriple=aarch64-- -run-pass=peephole-opt -o - %s | FileCheck %s # Make sure that analyzeCompare doesn't produce illegal folds due to # ignoring the subregister index on the use operands. --- name: analyze_compare_subreg_use_lhs tracksRegLiveness: true body: | bb.0: liveins: $x0, $x1 ; CHECK-LABEL: name: analyze_compare_subreg_use_lhs ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x1 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr ; CHECK-NEXT: [[SUBSWrr:%[0-9]+]]:gpr32 = SUBSWrr [[COPY]].sub_32, [[COPY2]], implicit-def dead $nzcv ; CHECK-NEXT: [[DEF:%[0-9]+]]:gpr64all = IMPLICIT_DEF ; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:gpr64 = INSERT_SUBREG [[DEF]], killed [[SUBSWrr]], %subreg.sub_32 ; CHECK-NEXT: [[RORVXr:%[0-9]+]]:gpr64 = RORVXr [[COPY1]], killed [[INSERT_SUBREG]] ; CHECK-NEXT: $x0 = COPY [[RORVXr]] ; CHECK-NEXT: RET_ReallyLR implicit $x0 %0:gpr64 = COPY $x1 %1:gpr64 = COPY $x0 %2:gpr32 = COPY $wzr %3:gpr32 = SUBSWrr %0.sub_32, %2, implicit-def dead $nzcv %4:gpr64all = IMPLICIT_DEF %5:gpr64 = INSERT_SUBREG %4, killed %3, %subreg.sub_32 %6:gpr64 = RORVXr %1, killed %5 $x0 = COPY %6 RET_ReallyLR implicit $x0 ... --- name: analyze_compare_subreg_use_rhs tracksRegLiveness: true body: | bb.0: liveins: $x0, $x1 ; CHECK-LABEL: name: analyze_compare_subreg_use_rhs ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $x1 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY $x0 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32 = COPY $wzr ; CHECK-NEXT: [[SUBSWrr:%[0-9]+]]:gpr32 = SUBSWrr [[COPY2]], [[COPY]].sub_32, implicit-def dead $nzcv ; CHECK-NEXT: [[DEF:%[0-9]+]]:gpr64all = IMPLICIT_DEF ; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:gpr64 = INSERT_SUBREG [[DEF]], killed [[SUBSWrr]], %subreg.sub_32 ; CHECK-NEXT: [[RORVXr:%[0-9]+]]:gpr64 = RORVXr [[COPY1]], killed [[INSERT_SUBREG]] ; CHECK-NEXT: $x0 = COPY [[RORVXr]] ; CHECK-NEXT: RET_ReallyLR implicit $x0 %0:gpr64 = COPY $x1 %1:gpr64 = COPY $x0 %2:gpr32 = COPY $wzr %3:gpr32 = SUBSWrr %2, %0.sub_32, implicit-def dead $nzcv %4:gpr64all = IMPLICIT_DEF %5:gpr64 = INSERT_SUBREG %4, killed %3, %subreg.sub_32 %6:gpr64 = RORVXr %1, killed %5 $x0 = COPY %6 RET_ReallyLR implicit $x0 ...