17 lines
		
	
	
		
			461 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			461 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -o - | FileCheck %s
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| ; RUN: llc -mtriple=thumbv7-apple-ios %s -o - | FileCheck %s
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| ; RUN: llc -mtriple=thumbv7-linux-gnueabihf %s -filetype=obj -o %t
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| ; RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=OBJ
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| 
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| ; OBJ-NOT: dmb
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| 
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| define void @fence_singlethread() {
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| ; CHECK-LABEL: fence_singlethread:
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| ; CHECK-NOT: dmb
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| ; CHECK: @ COMPILER BARRIER
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| ; CHECK-NOT: dmb
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| 
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|   fence syncscope("singlethread") seq_cst
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|   ret void
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| }
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