29 lines
		
	
	
		
			525 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			525 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=ppc32 | FileCheck %s
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| ; RUN: llc < %s -march=ppc64 -mcpu=a2 | FileCheck %s
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| ; RUN: llc < %s -march=ppc32 -mcpu=440 | FileCheck %s -check-prefix=BE-CHK
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| 
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| define i32 @has_a_fence(i32 %a, i32 %b) nounwind {
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| entry:
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|   fence acquire
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|   %cond = icmp eq i32 %a, %b
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|   br i1 %cond, label %IfEqual, label %IfUnequal
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| 
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| IfEqual:
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|   fence release
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| ; CHECK: sync
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| ; CHECK-NOT: msync
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| ; BE-CHK: msync
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|   br label %end
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| 
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| IfUnequal:
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|   fence release
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| ; CHECK: sync
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| ; CHECK-NOT: msync
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| ; BE-CHK: msync
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|   ret i32 0
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| 
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| end:
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|   ret i32 1
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| }
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| 
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