13 lines
		
	
	
		
			372 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			372 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -mem2reg < %s -S | FileCheck %s
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| 
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| ; mem2reg is allowed with arbitrary atomic operations (although we only support
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| ; it for atomic load and store at the moment).
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| define i32 @test1(i32 %x) {
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| ; CHECK-LABEL: @test1(
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| ; CHECK: ret i32 %x
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|   %a = alloca i32
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|   store atomic i32 %x, i32* %a seq_cst, align 4
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|   %r = load atomic i32, i32* %a seq_cst, align 4
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|   ret i32 %r
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| }
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