llvm-project
31 строка · 1.0 Кб
1; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s
2; RUN: opt %loadNPMPolly -passes=polly-codegen -verify-region-info -disable-output < %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(ptr %A, i64 %N) nounwind {
11entry:
12br label %region1
13
14region1:
15%indvar1 = phi i64 [ 0, %entry ], [ %indvar1.next, %region1 ]
16fence seq_cst
17%indvar1.next = add nsw i64 %indvar1, 1
18%exitcond1 = icmp eq i64 %indvar1.next, %N
19br i1 %exitcond1, label %region2, label %region1
20
21region2:
22%indvar2 = phi i64 [ 0, %region1 ], [ %indvar2.next, %region2 ]
23%scevgep2 = getelementptr i64, ptr %A, i64 %indvar2
24store i64 %indvar2, ptr %scevgep2
25%indvar2.next = add nsw i64 %indvar2, 1
26%exitcond2 = icmp eq i64 %indvar2.next, %N
27br i1 %exitcond2, label %return, label %region2
28
29return:
30ret void
31}
32