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	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9070 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			18 lines
		
	
	
		
			448 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			448 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; The loop canonicalization pass should guarantee that there is one backedge 
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; for all loops.  This allows the -indvars pass to recognize the %IV 
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; induction variable in this testcase.
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; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep indvar
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int %test(bool %C) {
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	br label %Loop
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Loop:
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	%IV = phi uint [1, %0], [%IV2, %BE1], [%IV2, %BE2]
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	%IV2 = add uint %IV, 2
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	br bool %C, label %BE1, label %BE2
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BE1:
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	br label %Loop
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BE2:
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	br label %Loop
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}
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