29 lines
		
	
	
		
			694 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			694 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; Test that functions with dynamic allocas get inlined in a case where
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| ; naively inlining it would result in a miscompilation.
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| 
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| ; RUN: llvm-upgrade < %s | llvm-as | opt -inline | llvm-dis | \
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| ; RUN:   grep llvm.stacksave
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| ; RUN: llvm-upgrade < %s | llvm-as | opt -inline | llvm-dis | not grep callee
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| 
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| declare void %ext(int*)
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| implementation
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| 
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| internal void %callee(uint %N) {
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| 	%P = alloca int, uint %N     ;; dynamic alloca
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| 	call void %ext(int* %P)
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| 	ret void
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| }
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| 
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| void %foo(uint %N) {
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| 	br label %Loop
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| Loop:
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| 	%count = phi uint [0, %0], [%next, %Loop]
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| 	%next = add uint %count, 1
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| 	call void %callee(uint %N)
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| 	%cond = seteq uint %count, 100000
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| 	br bool %cond, label %out, label %Loop
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| out:
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| 	ret void
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| }
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| 
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