llvm-project

1
; RUN: opt %loadNPMPolly -passes=polly-codegen \
2
; RUN:     -S < %s | FileCheck %s
3
;
4
; This will just check that we generate valid code here.
5
;
6
; CHECK: polly.start:
7
;
8
;    void f(int *A, int *B) {
9
;      for (int i = 0; i < 1024; i++)
10
;        A[i % 3] = B[i / 42];
11
;    }
12
;
13
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
14

15
define void @f(ptr %A, ptr %B, i32 %N) {
16
bb:
17
  br label %bb1
18

19
bb1:                                              ; preds = %bb9, %bb
20
  %i.0 = phi i32 [ 0, %bb ], [ %tmp10, %bb9 ]
21
  %exitcond = icmp ne i32 %i.0, %N
22
  br i1 %exitcond, label %bb2, label %bb11
23

24
bb2:                                              ; preds = %bb1
25
  %tmp = sdiv i32 %i.0, 42
26
  %tmp3 = sext i32 %tmp to i64
27
  %tmp4 = getelementptr inbounds i32, ptr %B, i64 %tmp3
28
  %tmp5 = load i32, ptr %tmp4, align 4
29
  %tmp6 = srem i32 %i.0, 3
30
  %tmp7 = sext i32 %tmp6 to i64
31
  %tmp8 = getelementptr inbounds i32, ptr %A, i64 %tmp7
32
  store i32 %tmp5, ptr %tmp8, align 4
33
  br label %bb9
34

35
bb9:                                              ; preds = %bb2
36
  %tmp10 = add nuw nsw i32 %i.0, 1
37
  br label %bb1
38

39
bb11:                                             ; preds = %bb1
40
  ret void
41
}
42