llvm-project/llvm/test/CodeGen/ARM/movc-peephole.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=peephole-opt %s -o - -verify-machineinstrs | FileCheck %s
# Make sure the MOVCC to conditional instruction peephole doesn't change the
# register class to one that's invalid.
--- |
target triple = "armv7-unknown-unknown"
define i32 @test(i32 %x, i32 %y) {
ret i32 undef
}
...
---
name: test
tracksRegLiveness: true
body: |
bb.0 (%ir-block.0):
liveins: $r0, $r1
; CHECK-LABEL: name: test
; CHECK: liveins: $r0, $r1
; CHECK: [[COPY:%[0-9]+]]:gpr = COPY $r0
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr = COPY $r1
; CHECK-NEXT: [[MOVsi:%[0-9]+]]:gpr = MOVsi [[COPY1]], 27, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[ORRrsi:%[0-9]+]]:gpr = ORRrsi [[MOVsi]], [[COPY1]], 234, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[MOVsi1:%[0-9]+]]:gpr = MOVsi [[COPY1]], 155, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: [[ORRrsi1:%[0-9]+]]:gprnopc = ORRrsi killed [[MOVsi1]], killed [[MOVsi]], 106, 14 /* CC::al */, $noreg, $noreg
; CHECK-NEXT: TSTri [[COPY1]], 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK-NEXT: [[UXTH:%[0-9]+]]:gprnopc = UXTH killed [[ORRrsi1]], 0, 0 /* CC::eq */, $cpsr, implicit [[ORRrsi]](tied-def 0)
; CHECK-NEXT: $r0 = COPY killed [[UXTH]]
; CHECK-NEXT: BX_RET 14 /* CC::al */, $noreg, implicit $r0
%0:gpr = COPY $r0
%1:gpr = COPY $r1
%2:gpr = MOVsi %1:gpr, 27, 14, $noreg, $noreg
%3:gpr = ORRrsi %2:gpr, %1:gpr, 234, 14, $noreg, $noreg
%4:gpr = MOVsi %1:gpr, 155, 14, $noreg, $noreg
%5:gprnopc = ORRrsi killed %4:gpr, killed %2:gpr, 106, 14, $noreg, $noreg
%6:gprnopc = UXTH killed %5:gprnopc, 0, 14, $noreg
TSTri %1:gpr, 1, 14, $noreg, implicit-def $cpsr
%7:gpr = MOVCCr %3:gpr, killed %6:gprnopc, 0, $cpsr
$r0 = COPY killed %7
BX_RET 14, $noreg, implicit $r0