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
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
; RUN: opt %loadPolly -polly-print-ast -polly-ast-detect-parallel -disable-output < %s | FileCheck %s
;
; The minimal dependence distance of the innermost loop should be 1 instead of 250.
; CHECK: #pragma minimal dependence distance: 1
; CHECK: for (int c0 = 0; c0 <= 499; c0 += 1)
; CHECK: #pragma minimal dependence distance: 1
; CHECK: for (int c1 = 0; c1 <= 998; c1 += 1) {
; CHECK: Stmt_bb9(c0, c1);
; CHECK: Stmt_bb9_b(c0, c1);
;
; void foo (int *A, int *B) {
; for (int i=0; i < 500; i++) {
; for (int j=0; j < 1000; j++) {
; B[i] = B[i] + 1;
; A[j] += A[j % 250];
; }
; }
; }
;
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
define void @foo(i32* nocapture %arg, i32* nocapture %arg1) {
bb:
br label %bb2
bb2: ; preds = %bb
br label %bb4
bb3: ; preds = %bb6
ret void
bb4: ; preds = %bb6, %bb2
%tmp = phi i32 [ 0, %bb2 ], [ %tmp7, %bb6 ]
%tmp5 = getelementptr inbounds i32, i32* %arg1, i32 %tmp
br label %bb9
bb6: ; preds = %bb9
%tmp7 = add nuw nsw i32 %tmp, 1
%tmp8 = icmp eq i32 %tmp7, 500
br i1 %tmp8, label %bb3, label %bb4
bb9: ; preds = %bb9, %bb4
%tmp10 = phi i32 [ 1, %bb4 ], [ %tmp19, %bb9 ]
%tmp11 = load i32, i32* %tmp5, align 4
%tmp12 = add nsw i32 %tmp11, 1
store i32 %tmp12, i32* %tmp5, align 4
%tmp13 = urem i32 %tmp10, 250
%tmp14 = getelementptr inbounds i32, i32* %arg, i32 %tmp13
%tmp15 = load i32, i32* %tmp14, align 4
%tmp16 = getelementptr inbounds i32, i32* %arg, i32 %tmp10
%tmp17 = load i32, i32* %tmp16, align 4
%tmp18 = add nsw i32 %tmp17, %tmp15
store i32 %tmp18, i32* %tmp16, align 4
%tmp19 = add nuw nsw i32 %tmp10, 1
%tmp20 = icmp eq i32 %tmp19, 1000
br i1 %tmp20, label %bb6, label %bb9
}
|
