52 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -analyze -basicaa -da
 | |
| ;; Check this doesn't crash.
 | |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
 | |
| target triple = "x86_64-unknown-linux-gnu"
 | |
| 
 | |
| ;; struct s {
 | |
| ;;   int A[10][10];
 | |
| ;;   int C[10][10][10]; 
 | |
| ;; } S;
 | |
| 
 | |
| ;; void dep_constraint_crash_test(int k,int N) {
 | |
| ;;   for( int i=0;i<N;i++)
 | |
| ;;     for( int j=0;j<N;j++)
 | |
| ;;       S.A[0][0] = S.C[0][0][k];
 | |
| ;; }
 | |
| 
 | |
| 
 | |
| %struct.s = type { [10 x [10 x i32]], [10 x [10 x [10 x i32]]] }
 | |
| 
 | |
| @S = common global %struct.s zeroinitializer
 | |
| 
 | |
| define void @dep_constraint_crash_test(i32 %k, i32 %N) {
 | |
| entry:
 | |
|   %cmp12 = icmp sgt i32 %N, 0
 | |
|   br i1 %cmp12, label %for.cond1.preheader.lr.ph, label %for.end6
 | |
| 
 | |
| for.cond1.preheader.lr.ph:                        
 | |
|   %idxprom = sext i32 %k to i64
 | |
|   %arrayidx = getelementptr inbounds %struct.s, %struct.s* @S, i64 0, i32 1, i64 0, i64 0, i64 %idxprom
 | |
|   br label %for.body3.preheader
 | |
| 
 | |
| for.body3.preheader:                              
 | |
|   %i.013 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc5, %for.inc4 ]
 | |
|   br label %for.body3
 | |
| 
 | |
| for.body3:                                        
 | |
|   %j.011 = phi i32 [ %inc, %for.body3 ], [ 0, %for.body3.preheader ]
 | |
|   %0 = load i32, i32* %arrayidx
 | |
|   store i32 %0, i32* getelementptr inbounds (%struct.s, %struct.s* @S, i64 0, i32 0, i64 0, i64 0)
 | |
|   %inc = add nuw nsw i32 %j.011, 1
 | |
|   %exitcond = icmp eq i32 %inc, %N
 | |
|   br i1 %exitcond, label %for.inc4, label %for.body3
 | |
| 
 | |
| for.inc4:                                         
 | |
|   %inc5 = add nuw nsw i32 %i.013, 1
 | |
|   %exitcond14 = icmp eq i32 %inc5, %N
 | |
|   br i1 %exitcond14, label %for.end6, label %for.body3.preheader
 | |
| 
 | |
| for.end6:                                         
 | |
|   ret void
 | |
| }
 |