| ; RUN: opt %loadPolly -polly-print-detect -disable-output < %s | FileCheck %s |
| ; RUN: opt %loadPolly -polly-codegen -verify-region-info -disable-output < %s |
| ; |
| ; This is a scop directly precedented by a region, i.e. the scop's entry is the |
| ; region's exit block. This test is to ensure that the RegionInfo is correctly |
| ; preserved. |
| ; |
| ; CHECK: Valid Region for Scop: region2 => return |
| ; |
| define void @f1(ptr %A, i64 %N) nounwind { |
| entry: |
| br label %region1 |
| |
| region1: |
| %indvar1 = phi i64 [ 0, %entry ], [ %indvar1.next, %region1 ] |
| fence seq_cst |
| %indvar1.next = add nsw i64 %indvar1, 1 |
| %exitcond1 = icmp eq i64 %indvar1.next, %N |
| br i1 %exitcond1, label %region2, label %region1 |
| |
| region2: |
| %indvar2 = phi i64 [ 0, %region1 ], [ %indvar2.next, %region2 ] |
| %scevgep2 = getelementptr i64, ptr %A, i64 %indvar2 |
| store i64 %indvar2, ptr %scevgep2 |
| %indvar2.next = add nsw i64 %indvar2, 1 |
| %exitcond2 = icmp eq i64 %indvar2.next, %N |
| br i1 %exitcond2, label %return, label %region2 |
| |
| return: |
| ret void |
| } |
