27 lines
882 B
LLVM
27 lines
882 B
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
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;
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; Make sure that we don't duplicate successors/predecessors when translating
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; indirectbr instructions with duplicate block labels.
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define void @foo() {
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; CHECK-LABEL: name: foo
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; CHECK: bb.1 (%ir-block.0):
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; CHECK: successors: %bb.2(0x2aaaaaaa), %bb.4(0x2aaaaaaa), %bb.3(0x2aaaaaaa)
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; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
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; CHECK: G_BRINDIRECT [[DEF]](p0)
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; CHECK: bb.2 (%ir-block.1):
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; CHECK: successors:
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; CHECK: bb.3 (%ir-block.2):
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; CHECK: successors:
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; CHECK: bb.4 (%ir-block.3):
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; CHECK: RET_ReallyLR
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indirectbr i8* undef, [label %1, label %3, label %2, label %3, label %3]
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1:
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unreachable
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2:
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unreachable
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3:
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ret void
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}
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