summaryrefslogtreecommitdiff
path: root/polly/test/CodeGen/simple_loop_non_single_exit.ll
blob: 00bed097149bf832d6d55bd969790646c3b2bc4f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s -check-prefix=CHECK-CODE

; void f(long A[], long N) {
;   long i;
;   if (true)
;     for (i = 0; i < N; ++i)
;       A[i] = i;
; }

target 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"

define void @f(i64* %A, i64 %N) nounwind {
entry:
  fence seq_cst
  br label %next

next:
  br i1 true, label %for.i, label %return

for.i:
  %indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
  %scevgep = getelementptr i64, i64* %A, i64 %indvar
  store i64 %indvar, i64* %scevgep
  %indvar.next = add nsw i64 %indvar, 1
  %exitcond = icmp eq i64 %indvar.next, %N
  br i1 %exitcond, label %return, label %for.i

return:
  fence seq_cst
  ret void
}

; CHECK-CODE: polly.split_new_and_old
; CHECK-CODE: polly.merge_new_and_old