; RUN: opt %loadPolly -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s ; RUN: opt %loadPolly -polyhedral-info -polly-check-parallel -analyze < %s | FileCheck %s -check-prefix=PINFO ; ; void f(int *A, int N) { ; CHECK: #pragma minimal dependence distance: ((N - 1) % 2) + 1 ; PINFO: for.cond: Loop is not parallel. ; for (int i = 0; i < N; i++) ; A[i] = A[N - i] + 1; ; } ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @f(i32* %A, i32 %N) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %cmp = icmp slt i32 %i.0, %N br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond %sub = sub nsw i32 %N, %i.0 %arrayidx = getelementptr inbounds i32, i32* %A, i32 %sub %tmp = load i32, i32* %arrayidx, align 4 %add = add nsw i32 %tmp, 1 %arrayidx1 = getelementptr inbounds i32, i32* %A, i32 %i.0 store i32 %add, i32* %arrayidx1, align 4 br label %for.inc for.inc: ; preds = %for.body %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond ret void }