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1; RUN: opt %loadNPMPolly -polly-parallel -polly-vectorizer=stripmine -passes=polly-codegen-verify '-passes=polly-custom<opt-isl;ast;codegen>' -polly-print-ast -disable-output < %s | FileCheck %s2;3; Check that there are no nested #pragma omp parallel for inside a4; #pragma omp parallel for loop.5; See llvm.org/PR38073 and llvm.org/PR331536;7; This test unfortunately is very dependent on the result of the schedule8; optimizer (-polly-opt-isl).9;10target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"11 12@b = external dso_local unnamed_addr global [1984 x [1984 x double]], align 1613@c = external dso_local unnamed_addr global [1984 x [1984 x double]], align 1614 15define dso_local void @main() local_unnamed_addr {16entry:17 %cond = select i1 undef, i32 undef, i32 198418 %tmp = zext i32 %cond to i6419 %cond63 = select i1 undef, i32 undef, i32 198420 %tmp1 = zext i32 %cond63 to i6421 br label %for.cond51.preheader22 23for.cond51.preheader:24 %indvars.iv213 = phi i64 [ 0, %entry ], [ %indvars.iv.next214, %for.inc98 ]25 %cond73 = select i1 undef, i32 undef, i32 198426 %tmp2 = zext i32 %cond73 to i6427 br label %for.cond56.preheader28 29for.cond56.preheader:30 %indvars.iv223 = phi i64 [ 0, %for.cond51.preheader ], [ %indvars.iv.next224, %for.inc95 ]31 br label %for.cond66.preheader32 33for.cond66.preheader:34 %indvars.iv219 = phi i64 [ %indvars.iv.next220, %for.inc92 ], [ 0, %for.cond56.preheader ]35 br label %for.body7536 37for.body75:38 %indvars.iv215 = phi i64 [ %indvars.iv213, %for.cond66.preheader ], [ %indvars.iv.next216, %for.body75 ]39 %arrayidx83 = getelementptr inbounds [1984 x [1984 x double]], ptr @b, i64 0, i64 %indvars.iv219, i64 %indvars.iv21540 %tmp3 = load double, ptr %arrayidx83, align 841 %arrayidx87 = getelementptr inbounds [1984 x [1984 x double]], ptr @c, i64 0, i64 %indvars.iv223, i64 %indvars.iv21542 store double undef, ptr %arrayidx87, align 843 %indvars.iv.next216 = add nuw nsw i64 %indvars.iv215, 144 %cmp74 = icmp ult i64 %indvars.iv.next216, %tmp245 br i1 %cmp74, label %for.body75, label %for.inc9246 47for.inc92:48 %indvars.iv.next220 = add nuw nsw i64 %indvars.iv219, 149 %cmp64 = icmp ult i64 %indvars.iv.next220, %tmp150 br i1 %cmp64, label %for.cond66.preheader, label %for.inc9551 52for.inc95:53 %indvars.iv.next224 = add nuw nsw i64 %indvars.iv223, 154 %cmp54 = icmp ult i64 %indvars.iv.next224, %tmp55 br i1 %cmp54, label %for.cond56.preheader, label %for.inc9856 57for.inc98:58 %indvars.iv.next214 = add nuw nsw i64 %indvars.iv213, 4859 br label %for.cond51.preheader60}61 62; No parallel loop except the to outermost.63; CHECK: #pragma omp parallel for64; CHECK: #pragma omp parallel for65; CHECK-NOT: #pragma omp parallel for66