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 -S -verify-dom-info | FileCheck %s
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; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 < %s -S -verify-dom-info | FileCheck %s
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; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 < %s -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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