forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -inline -loop-extract -S | FileCheck %s
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; RUN: opt < %s -argpromotion -loop-extract -S | FileCheck %s
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; This test used to trigger an assert (PR8929).
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define void @test() {
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; CHECK-LABEL: define void @test()
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; CHECK-NEXT:  entry:
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; CHECK-NEXT:    br label %codeRepl
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; CHECK:       codeRepl:
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; CHECK-NEXT:    call void @test.loopentry()
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; CHECK-NEXT:    br label %loopexit
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; CHECK:       loopexit:
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; CHECK-NEXT:    br label %exit
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; CHECK:       exit:
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; CHECK-NEXT:    ret void
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entry:
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  br label %loopentry
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loopentry:                                        ; preds = %loopbody, %entry
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  br i1 undef, label %loopbody, label %loopexit
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loopbody:                                         ; preds = %codeRepl1
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  call void @foo()
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  br label %loopentry
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loopexit:                                         ; preds = %codeRepl
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  br label %exit
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exit:                                             ; preds = %loopexit
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  ret void
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}
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declare void @foo()
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; CHECK-LABEL: define internal void @test.loopentry()
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; CHECK-NEXT:  newFuncRoot:
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; CHECK-NEXT:    br label %loopentry
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; CHECK:       loopexit.exitStub:
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; CHECK-NEXT:    ret void
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; CHECK:       loopentry:
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; CHECK-NEXT:    br i1 false, label %loopbody, label %loopexit.exitStub
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; CHECK:       loopbody:
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; CHECK-NEXT:    call void @foo()
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; CHECK-NEXT:    br label %loopentry
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