forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			39 lines
		
	
	
		
			785 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			785 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt %loadPolly -polly-simplify -analyze < %s | FileCheck %s -match-full-lines
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| ;
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| ; Don't remove store where there is another store to the same target
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| ; in-between them.
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| ;
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| ; for (int j = 0; j < n; j += 1)
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| ;   A[0] = A[0];
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| ;
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| define void @func(i32 %n, double* noalias nonnull %A) {
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| entry:
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|   br label %for
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| 
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| for:
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|   %j = phi i32 [0, %entry], [%j.inc, %inc]
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|   %j.cmp = icmp slt i32 %j, %n
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|   br i1 %j.cmp, label %body, label %exit
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| 
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|     body:
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|       %A_idx = getelementptr inbounds double, double* %A, i32 %j
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|       %val = load double, double* %A_idx
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|       store double 0.0, double* %A
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|       store double %val, double* %A_idx
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|       br label %inc
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| 
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| inc:
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|   %j.inc = add nuw nsw i32 %j, 1
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|   br label %for
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| 
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| exit:
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|   br label %return
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| 
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| return:
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|   ret void
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| }
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| 
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| 
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| ; CHECK: SCoP could not be simplified
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| 
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