62 lines
1.7 KiB
Text
62 lines
1.7 KiB
Text
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select %s | FileCheck %s
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---
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name: test_unreachable_delete
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alignment: 4
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exposesReturnsTwice: false
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legalized: true
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regBankSelected: true
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selected: false
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tracksRegLiveness: true
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liveins:
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body: |
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; CHECK-LABEL: name: test_unreachable_delete
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: liveins: $w0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32sp = COPY $w0
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr
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; CHECK-NEXT: [[MOVi32imm:%[0-9]+]]:gpr32 = MOVi32imm 1
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; CHECK-NEXT: B %bb.2
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: successors: %bb.3(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[ADDWri:%[0-9]+]]:gpr32sp = ADDWri [[COPY]], 2, 0
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3:
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; CHECK-NEXT: [[PHI:%[0-9]+]]:gpr32 = PHI [[ADDWri]], %bb.2
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; CHECK-NEXT: $w0 = COPY [[PHI]]
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; CHECK-NEXT: RET_ReallyLR implicit $w0
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bb.1:
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successors: %bb.3
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liveins: $w0
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%0:gpr(s32) = COPY $w0
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%1:gpr(s32) = G_CONSTANT i32 0
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%3:gpr(s32) = G_CONSTANT i32 1
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%5:gpr(s32) = G_CONSTANT i32 2
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G_BR %bb.3
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bb.5:
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; This block is unreachable.
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%unreachable_inst:gpr(s32) = G_XOR %1, %3
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$w0 = COPY %unreachable_inst(s32)
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bb.3:
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successors: %bb.4(0x80000000)
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%6:gpr(s32) = G_ADD %0, %5
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bb.4:
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%7:gpr(s32) = G_PHI %6(s32), %bb.3
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$w0 = COPY %7(s32)
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RET_ReallyLR implicit $w0
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...
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