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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/peephole-opt-analyzeCompare-subreg-use.mir
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# 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
...