41 lines
1.5 KiB
LLVM
41 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v1 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s
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; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s
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; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s
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; Check that we do not crash when we remove edges multiple times in
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; the DomTreeUpdater.
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define void @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: switch i8 undef, label [[IF_THEN_EPIL:%.*]] [
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; CHECK-NEXT: i8 32, label [[FOR_INC_EPIL:%.*]]
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; CHECK-NEXT: i8 46, label [[FOR_INC_EPIL]]
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; CHECK-NEXT: i8 95, label [[FOR_INC_EPIL]]
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; CHECK-NEXT: i8 45, label [[FOR_INC_EPIL]]
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; CHECK-NEXT: i8 126, label [[FOR_INC_EPIL]]
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; CHECK-NEXT: ]
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; CHECK: if.then.epil:
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; CHECK-NEXT: unreachable
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; CHECK: for.inc.epil:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %for.body.epil
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for.body.epil: ; preds = %entry
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switch i8 undef, label %if.then.epil [
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i8 32, label %for.inc.epil
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i8 46, label %for.inc.epil
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i8 95, label %for.inc.epil
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i8 45, label %for.inc.epil
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i8 126, label %for.inc.epil
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]
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if.then.epil: ; preds = %for.body.epil
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unreachable
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for.inc.epil: ; preds = %for.body.epil, %for.body.epil, %for.body.epil, %for.body.epil, %for.body.epil
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ret void
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}
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