31 lines
		
	
	
		
			848 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			848 B
		
	
	
	
		
			LLVM
		
	
	
	
; Test that if an invoked function is inlined, and if that function cannot
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; throw, that the dead handler is now unreachable.
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; RUN: opt < %s -inline -simplifycfg -S | \
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; RUN:   not grep UnreachableExceptionHandler
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declare void @might_throw()
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define internal i32 @callee() {
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        invoke void @might_throw( )
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                        to label %cont unwind label %exc
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cont:           ; preds = %0
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        ret i32 0
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exc:            ; preds = %0
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        ret i32 1
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}
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; caller returns true if might_throw throws an exception... callee cannot throw.
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define i32 @caller() {
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        %X = invoke i32 @callee( )
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                        to label %cont unwind label %UnreachableExceptionHandler                ; <i32> [#uses=1]
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cont:           ; preds = %0
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        ret i32 %X
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UnreachableExceptionHandler:            ; preds = %0
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        ret i32 -1
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}
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