xref: /llvm-project/polly/test/ScopDetect/non-affine-conditional.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -polly-allow-nonaffine-branches '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s
2;
3;    void f(int *A) {
4;      for (int i = 0; i < 1024; i++)
5;        if (A[i])
6;          A[i] = 0;
7;    }
8;
9; CHECK: Valid Region for Scop: bb1 => bb9
10;
11target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
12
13define void @f(ptr %A) {
14bb:
15  br label %bb1
16
17bb1:                                              ; preds = %bb8, %bb
18  %indvars.iv = phi i64 [ %indvars.iv.next, %bb8 ], [ 0, %bb ]
19  %exitcond = icmp ne i64 %indvars.iv, 1024
20  br i1 %exitcond, label %bb2, label %bb9
21
22bb2:                                              ; preds = %bb1
23  %tmp = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
24  %tmp3 = load i32, ptr %tmp, align 4
25  %tmp4 = icmp eq i32 %tmp3, 0
26  br i1 %tmp4, label %bb7, label %bb5
27
28bb5:                                              ; preds = %bb2
29  %tmp6 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
30  store i32 0, ptr %tmp6, align 4
31  br label %bb7
32
33bb7:                                              ; preds = %bb2, %bb5
34  br label %bb8
35
36bb8:                                              ; preds = %bb7
37  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
38  br label %bb1
39
40bb9:                                              ; preds = %bb1
41  ret void
42}
43