xref: /llvm-project/polly/test/IstAstInfo/OpenMP/multiple_loops_outer_parallel.ll (revision b332499a94df11870dfc7598645c59656deb933d)
1; RUN: opt %loadPolly -polly-print-ast -polly-parallel -polly-parallel-force -disable-output < %s | FileCheck %s
2; RUN: opt %loadPolly -print-polyhedral-info -polly-check-parallel -disable-output < %s | FileCheck %s -check-prefix=PINFO
3;
4;       void jd(int *A) {
5; CHECK:  #pragma omp parallel for
6; PINFO:  for.cond2: Loop is parallel.
7;         for (int i = 0; i < 1024; i++)
8;           A[i] = 1;
9; CHECK:  #pragma omp parallel for
10; PINFO:  for.cond: Loop is parallel.
11;         for (int i = 0; i < 1024; i++)
12;           A[i] = A[i] * 2;
13;       }
14;
15target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
16
17define void @jd(ptr %A) {
18entry:
19  br label %for.cond
20
21for.cond:                                         ; preds = %for.inc, %entry
22  %indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ 0, %entry ]
23  %exitcond3 = icmp ne i64 %indvars.iv1, 1024
24  br i1 %exitcond3, label %for.body, label %for.end
25
26for.body:                                         ; preds = %for.cond
27  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv1
28  store i32 1, ptr %arrayidx, align 4
29  br label %for.inc
30
31for.inc:                                          ; preds = %for.body
32  %indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
33  br label %for.cond
34
35for.end:                                          ; preds = %for.cond
36  br label %for.cond2
37
38for.cond2:                                        ; preds = %for.inc9, %for.end
39  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc9 ], [ 0, %for.end ]
40  %exitcond = icmp ne i64 %indvars.iv, 1024
41  br i1 %exitcond, label %for.body4, label %for.end11
42
43for.body4:                                        ; preds = %for.cond2
44  %arrayidx6 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
45  %tmp = load i32, ptr %arrayidx6, align 4
46  %mul = shl nsw i32 %tmp, 1
47  %arrayidx8 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
48  store i32 %mul, ptr %arrayidx8, align 4
49  br label %for.inc9
50
51for.inc9:                                         ; preds = %for.body4
52  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
53  br label %for.cond2
54
55for.end11:                                        ; preds = %for.cond2
56  ret void
57}
58