1; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s -check-prefix=CHECK-CODE
2
3; void f(long A[], long N) {
4;   long i;
5;   if (true)
6;     for (i = 0; i < N; ++i)
7;       A[i] = i;
8; }
9
10target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
11
12define void @f(i64* %A, i64 %N) nounwind {
13entry:
14  fence seq_cst
15  br label %next
16
17next:
18  br i1 true, label %for.i, label %return
19
20for.i:
21  %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
22  %scevgep = getelementptr i64, i64* %A, i64 %indvar
23  store i64 %indvar, i64* %scevgep
24  %indvar.next = add nsw i64 %indvar, 1
25  %exitcond = icmp eq i64 %indvar.next, %N
26  br i1 %exitcond, label %return, label %for.i
27
28return:
29  fence seq_cst
30  ret void
31}
32
33; CHECK-CODE: polly.split_new_and_old
34; CHECK-CODE: polly.merge_new_and_old
35