; RUN: opt %loadPolly -polly-import-jscop -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 ; ; CHECK-NOT: #pragma simd{{\s*$}} ; CHECK: #pragma simd reduction ; CHECK: Stmt_S0(n - c1) ; CHECK: #pragma simd{{\s*$}} ; CHECK: Stmt_S1(n - c1) ; ; PINFO: for.cond2: Loop is parallel. ; PINFO-NEXT: for.cond: Loop is not parallel. ; ; void rlr(int *A, long n) { ; for (long i = 0; i < 2 * n; i++) ; S0: A[0] += i; ; for (long i = 0; i < 2 * n; i++) ; S1: A[i + 1] = 1; ; } ; target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define void @rlr(i32* %A, i32 %n) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] %mul = shl nsw i32 %n, 1 %cmp = icmp slt i32 %i.0, %mul br i1 %cmp, label %for.body, label %for.end for.body: ; preds = %for.cond br label %S0 S0: ; preds = %for.body %tmp = load i32, i32* %A, align 4 %add = add nsw i32 %tmp, %i.0 store i32 %add, i32* %A, align 4 br label %for.inc for.inc: ; preds = %S0 %inc = add nsw i32 %i.0, 1 br label %for.cond for.end: ; preds = %for.cond br label %for.cond2 for.cond2: ; preds = %for.inc8, %for.end %i1.0 = phi i32 [ 0, %for.end ], [ %inc9, %for.inc8 ] %mul3 = shl nsw i32 %n, 1 %cmp4 = icmp slt i32 %i1.0, %mul3 br i1 %cmp4, label %for.body5, label %for.end10 for.body5: ; preds = %for.cond2 br label %S1 S1: ; preds = %for.body5 %add6 = add nsw i32 %i1.0, 1 %arrayidx7 = getelementptr inbounds i32, i32* %A, i32 %add6 store i32 1, i32* %arrayidx7, align 4 br label %for.inc8 for.inc8: ; preds = %S1 %inc9 = add nsw i32 %i1.0, 1 br label %for.cond2 for.end10: ; preds = %for.cond2 ret void }