48 lines
1.6 KiB
YAML
48 lines
1.6 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -run-pass=aarch64-mi-peephole-opt -o - -mtriple=aarch64-unknown-linux -verify-machineinstrs %s | FileCheck %s
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---
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name: copy_multiple_uses
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: copy_multiple_uses
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; CHECK: bb.0.entry:
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; CHECK-NEXT: successors: %bb.1(0x80000000)
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; CHECK-NEXT: liveins: $w0, $q0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:fpr128 = COPY $q0
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $w0
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; CHECK-NEXT: [[COPY2:%[0-9]+]]:gpr32sp = COPY $w0
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; CHECK-NEXT: B %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[SUBSWri:%[0-9]+]]:gpr32 = SUBSWri [[COPY2]], 1, 0, implicit-def $nzcv
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; CHECK-NEXT: [[COPY3:%[0-9]+]]:fpr32 = COPY [[COPY]].ssub
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; CHECK-NEXT: [[FMOVSWr:%[0-9]+]]:gpr32 = FMOVSWr [[COPY3]]
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; CHECK-NEXT: [[ADDWrr:%[0-9]+]]:gpr32 = ADDWrr [[FMOVSWr]], [[SUBSWri]]
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; CHECK-NEXT: Bcc 2, %bb.1, implicit $nzcv
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; CHECK-NEXT: B %bb.2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: $w0 = COPY [[ADDWrr]]
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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bb.0.entry:
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liveins: $w0, $q0
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%0:fpr128 = COPY $q0
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%1:gpr32 = COPY $w0
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%6:gpr32sp = COPY $w0
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B %bb.1
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bb.1:
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%7:gpr32 = SUBSWri %6, 1, 0, implicit-def $nzcv
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%2:gpr32 = COPY %0.ssub:fpr128
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%3:gpr32 = ORRWrs $wzr, %2:gpr32, 0
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%5:gpr32 = ADDWrr %2:gpr32, %7:gpr32
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Bcc 2, %bb.1, implicit $nzcv
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B %bb.2
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bb.2:
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$w0 = COPY %5
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RET_ReallyLR implicit $w0
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