28 lines
		
	
	
		
			490 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			490 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -lowerswitch -disable-output
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; This test verify -lowerswitch does not crash after deleting the default block.
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declare i32 @f(i32)
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define i32 @unreachable(i32 %x) {
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entry:
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  switch i32 %x, label %unreachable [
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    i32 5, label %a
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    i32 6, label %a
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    i32 7, label %a
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    i32 10, label %b
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    i32 20, label %b
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    i32 30, label %b
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    i32 40, label %b
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  ]
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unreachable:
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  unreachable
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a:
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  %0 = call i32 @f(i32 0)
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  ret i32 %0
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b:
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  %1 = call i32 @f(i32 1)
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  ret i32 %1
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}
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