1; RUN: opt %loadPolly -polly-detect -analyze < %s | FileCheck %s 2; RUN: opt %loadPolly -polly-codegen -verify-region-info -analyze < %s 3; 4; This is a scop directly precedented by a region, i.e. the scop's entry is the 5; region's exit block. This test is to ensure that the RegionInfo is correctly 6; preserved. 7; 8; CHECK: Valid Region for Scop: region2 => return 9; 10define void @f1(i64* %A, i64 %N) nounwind { 11entry: 12 br label %region1 13 14region1: 15 %indvar1 = phi i64 [ 0, %entry ], [ %indvar1.next, %region1 ] 16 fence seq_cst 17 %indvar1.next = add nsw i64 %indvar1, 1 18 %exitcond1 = icmp eq i64 %indvar1.next, %N 19 br i1 %exitcond1, label %region2, label %region1 20 21region2: 22 %indvar2 = phi i64 [ 0, %region1 ], [ %indvar2.next, %region2 ] 23 %scevgep2 = getelementptr i64, i64* %A, i64 %indvar2 24 store i64 %indvar2, i64* %scevgep2 25 %indvar2.next = add nsw i64 %indvar2, 1 26 %exitcond2 = icmp eq i64 %indvar2.next, %N 27 br i1 %exitcond2, label %return, label %region2 28 29return: 30 ret void 31} 32