29 lines
		
	
	
		
			612 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			612 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=arm64 | FileCheck %s
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| ; rdar://12771555
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| 
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| define void @foo(i16* %ptr, i32 %a) nounwind {
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| entry:
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| ; CHECK-LABEL: foo:
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|   %tmp1 = icmp ult i32 %a, 100
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|   br i1 %tmp1, label %bb1, label %bb2
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| bb1:
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| ; CHECK: %bb1
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| ; CHECK: ldrh [[REG:w[0-9]+]]
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|   %tmp2 = load i16, i16* %ptr, align 2
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|   br label %bb2
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| bb2:
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| ; CHECK: %bb2
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| ; CHECK-NOT: and {{w[0-9]+}}, [[REG]], #0xffff
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| ; CHECK: cmp [[REG]], #23
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|   %tmp3 = phi i16 [ 0, %entry ], [ %tmp2, %bb1 ]
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|   %cmp = icmp ult i16 %tmp3, 24
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|   br i1 %cmp, label %bb3, label %exit
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| bb3:
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|   call void @bar() nounwind
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|   br label %exit
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| exit:
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|   ret void
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| }
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| 
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| declare void @bar ()
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