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			14 lines
		
	
	
		
			331 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			331 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: llc < %s -mtriple=i386-pc-linux -mcpu=corei7 | FileCheck %s
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| 
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| define i64 @atomicSub(i64* %a, i64 %b) nounwind {
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| entry:
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|   %0 = atomicrmw sub i64* %a, i64 %b seq_cst
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|   ret i64 %0
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| ; CHECK: atomicSub
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| ; CHECK: movl %eax, %ebx
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| ; CHECK: subl {{%[a-z]+}}, %ebx
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| ; CHECK: movl %edx, %ecx
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| ; CHECK: sbbl {{%[a-z]+}}, %ecx
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| ; CHECK: ret
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| }
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