llvm-project

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; RUN: opt %loadNPMPolly '-passes=print<polly-dependences>' -aa-pipeline=basic-aa -disable-output < %s | FileCheck %s
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;
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; CHECK:      RAW dependences:
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; CHECK-NEXT:     {  }
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; CHECK-NEXT: WAR dependences:
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; CHECK-NEXT:     {  }
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; CHECK-NEXT: WAW dependences:
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; CHECK-NEXT:     {  }
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; CHECK-NEXT: Reduction dependences:
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; CHECK-NEXT:     { Stmt_for_body3[i0, i1] -> Stmt_for_body3[i0, 1 + i1] : 0 <= i0 <= 99 and 0 <= i1 <= 98; Stmt_for_body3[i0, 99] -> Stmt_for_body3[1 + i0, 0] : 0 <= i0 <= 98 }
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;
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; int f(int * restrict A, int * restrict sum) {
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;   int i, j, k;
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;   for (i = 0; i < 100; i++) {
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;     for (j = 0; j < 100; j++) {
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;       sum += A[i+j];
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;       for (k = 0; k< 100; k++) {}
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;     }
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;   }
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;   return sum;
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; }
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @f(ptr noalias %A, ptr noalias %sum) {
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entry:
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  br label %for.cond
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for.cond:                                         ; preds = %for.inc11, %entry
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  %i.0 = phi i32 [ 0, %entry ], [ %inc12, %for.inc11 ]
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  %exitcond2 = icmp ne i32 %i.0, 100
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  br i1 %exitcond2, label %for.body, label %for.end13
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for.body:                                         ; preds = %for.cond
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  br label %for.cond1
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for.cond1:                                        ; preds = %for.inc8, %for.body
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  %j.0 = phi i32 [ 0, %for.body ], [ %inc9, %for.inc8 ]
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  %exitcond1 = icmp ne i32 %j.0, 100
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  br i1 %exitcond1, label %for.body3, label %for.end10
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for.body3:                                        ; preds = %for.cond1
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  %add = add nsw i32 %i.0, %j.0
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  %arrayidx = getelementptr inbounds i32, ptr %A, i32 %add
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  %tmp3 = load i32, ptr %arrayidx, align 4
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  %tmp4 = load i32, ptr %sum, align 4
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  %add4 = add nsw i32 %tmp4, %tmp3
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  store i32 %add4, ptr %sum, align 4
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  br label %for.cond5
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for.cond5:                                        ; preds = %for.inc, %for.body3
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  %k.0 = phi i32 [ 0, %for.body3 ], [ %inc, %for.inc ]
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  %exitcond = icmp ne i32 %k.0, 100
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  br i1 %exitcond, label %for.body7, label %for.end
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for.body7:                                        ; preds = %for.cond5
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  br label %for.inc
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for.inc:                                          ; preds = %for.body7
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  %inc = add nsw i32 %k.0, 1
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  br label %for.cond5
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for.end:                                          ; preds = %for.cond5
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  br label %for.inc8
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for.inc8:                                         ; preds = %for.end
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  %inc9 = add nsw i32 %j.0, 1
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  br label %for.cond1
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for.end10:                                        ; preds = %for.cond1
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  br label %for.inc11
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for.inc11:                                        ; preds = %for.end10
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  %inc12 = add nsw i32 %i.0, 1
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  br label %for.cond
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for.end13:                                        ; preds = %for.cond
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  ret void
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}
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