57 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
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| 
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| define void @foo(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind optsize {
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| entry:
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|   %cmp = icmp sgt i32 %n, 100
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|   br i1 %cmp, label %for.body.preheader, label %for.cond4.preheader
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| 
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| ; CHECK: endloop0
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| ; CHECK: endloop0
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| ; CHECK-NOT: endloop0
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| 
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| for.body.preheader:
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|   br label %for.body
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| 
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| for.cond4.preheader:
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|   %cmp113 = icmp sgt i32 %n, 0
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|   br i1 %cmp113, label %for.body7.preheader, label %if.end
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| 
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| for.body7.preheader:
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|   br label %for.body7
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| 
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| for.body:
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|   %arrayidx.phi = phi i32* [ %arrayidx.inc, %for.body ], [ %B, %for.body.preheader ]
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|   %arrayidx3.phi = phi i32* [ %arrayidx3.inc, %for.body ], [ %A, %for.body.preheader ]
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|   %i.014 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
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|   %0 = load i32, i32* %arrayidx.phi, align 4
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|   %sub = add nsw i32 %0, -1
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|   store i32 %sub, i32* %arrayidx3.phi, align 4
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|   %inc = add nsw i32 %i.014, 1
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|   %exitcond = icmp eq i32 %inc, %n
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|   %arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1
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|   %arrayidx3.inc = getelementptr i32, i32* %arrayidx3.phi, i32 1
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|   br i1 %exitcond, label %if.end.loopexit, label %for.body
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| 
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| for.body7:
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|   %arrayidx8.phi = phi i32* [ %arrayidx8.inc, %for.body7 ], [ %B, %for.body7.preheader ]
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|   %arrayidx9.phi = phi i32* [ %arrayidx9.inc, %for.body7 ], [ %A, %for.body7.preheader ]
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|   %i.117 = phi i32 [ %inc11, %for.body7 ], [ 0, %for.body7.preheader ]
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|   %1 = load i32, i32* %arrayidx8.phi, align 4
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|   %add = add nsw i32 %1, 1
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|   store i32 %add, i32* %arrayidx9.phi, align 4
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|   %inc11 = add nsw i32 %i.117, 1
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|   %exitcond18 = icmp eq i32 %inc11, %n
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|   %arrayidx8.inc = getelementptr i32, i32* %arrayidx8.phi, i32 1
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|   %arrayidx9.inc = getelementptr i32, i32* %arrayidx9.phi, i32 1
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|   br i1 %exitcond18, label %if.end.loopexit21, label %for.body7
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| 
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| if.end.loopexit:
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|   br label %if.end
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| 
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| if.end.loopexit21:
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|   br label %if.end
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| 
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| if.end:
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|   ret void
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| }
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