29 lines
		
	
	
		
			752 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			752 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S -sink < %s | FileCheck %s
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| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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| target triple = "x86_64-unknown-linux-gnu"
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| 
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| define void @test1(i32* ()*) {
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| entry:
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|   %1 = call i32* %0() #0
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|   fence singlethread seq_cst
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|   %2 = load i32, i32* %1, align 4
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|   fence singlethread seq_cst
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|   %3 = icmp eq i32 %2, 0
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|   br i1 %3, label %fail, label %pass
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| 
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| fail:                                             ; preds = %top
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|   br label %pass
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| 
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| pass:                                             ; preds = %fail, %top
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|   ret void
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| }
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| 
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| ; CHECK-LABEL: @test1(
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| ; CHECK:  %[[call:.*]] = call i32* %0()
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| ; CHECK:  fence singlethread seq_cst
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| ; CHECK:  load i32, i32* %[[call]], align 4
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| ; CHECK:  fence singlethread seq_cst
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| 
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| 
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| attributes #0 = { nounwind readnone }
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