26 lines
		
	
	
		
			746 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			746 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt -basicaa -print-memoryssa -verify-memoryssa -analyze < %s 2>&1 | FileCheck %s
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; RUN: opt -aa-pipeline=basic-aa -passes='print<memoryssa>,verify<memoryssa>' -disable-output < %s 2>&1 | FileCheck %s
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;
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; Checks that basicAA is doing some amount of disambiguation for us
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define i32 @foo(i1 %cond) {
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  %a = alloca i32, align 4
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  %b = alloca i32, align 4
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; CHECK: 1 = MemoryDef(liveOnEntry)
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; CHECK-NEXT: store i32 0
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  store i32 0, i32* %a, align 4
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; CHECK: 2 = MemoryDef(1)
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; CHECK-NEXT: store i32 1
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  store i32 1, i32* %b, align 4
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; CHECK: MemoryUse(1)
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; CHECK-NEXT: %1 = load i32
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  %1 = load i32, i32* %a, align 4
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; CHECK: MemoryUse(2)
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; CHECK-NEXT: %2 = load i32
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  %2 = load i32, i32* %b, align 4
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  %3 = add i32 %1, %2
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  ret i32 %3
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}
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