23 lines
		
	
	
		
			795 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			795 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S < %s
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| 
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| ; This file contains TBAA metadata that is okay and should pass the verifier.
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| 
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| declare void @callee()
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| declare void @llvm.va_start(i8*) nounwind
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| 
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| define void @f_0(i8* %ptr, ...) {
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|   %args = alloca i8, align 8
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|   call void @llvm.va_start(i8* %args)
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| 
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|   %old = atomicrmw add i8* %ptr, i8 0 seq_cst,          !tbaa !{!1, !1, i64 0}
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|   %pair = cmpxchg i8* %ptr, i8 0, i8 1 acquire acquire, !tbaa !{!1, !1, i64 0}
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|   %ld = load i8, i8* %ptr,                              !tbaa !{!1, !1, i64 0}
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|   store i8 1, i8* %ptr,                                 !tbaa !{!1, !1, i64 0}
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|   call void @callee(),                                  !tbaa !{!1, !1, i64 0}
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|   %argval = va_arg i8* %args, i8,                       !tbaa !{!1, !1, i64 0}
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|   ret void
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| }
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| 
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| !0 = !{!"root"}
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| !1 = !{!"scalar-a", !0}
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