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
58
59
|
; RUN: opt %loadPolly -polly-code-generator=isl -polly-ast -analyze < %s | FileCheck %s --check-prefix=NOAA
; RUN: opt %loadPolly -polly-code-generator=isl -polly-ast -analyze -basicaa < %s | FileCheck %s --check-prefix=BASI
; RUN: opt %loadPolly -polly-code-generator=isl -polly-ast -analyze -tbaa < %s | FileCheck %s --check-prefix=TBAA
; RUN: opt %loadPolly -polly-code-generator=isl -polly-ast -analyze -scev-aa < %s | FileCheck %s --check-prefix=SCEV
; RUN: opt %loadPolly -polly-code-generator=isl -polly-ast -analyze -globalsmodref-aa < %s | FileCheck %s --check-prefix=GLOB
;
; int A[1024];
; float B[1024];
;
; void jd(int N) {
; for (int i = 0; i < N; i++)
; A[i] = B[i];
; }
;
; NOAA: if ((N <= 1024 ? 1 : 0) && (&MemRef_A[N] <= &MemRef_B[0] || &MemRef_B[N] <= &MemRef_A[0]))
; BASI: if (N <= 1024 ? 1 : 0)
; TBAA: if (N <= 1024 ? 1 : 0)
; SCEV: if ((N <= 1024 ? 1 : 0) && (&MemRef_A[N] <= &MemRef_B[0] || &MemRef_B[N] <= &MemRef_A[0]))
; GLOB: if ((N <= 1024 ? 1 : 0) && (&MemRef_A[N] <= &MemRef_B[0] || &MemRef_B[N] <= &MemRef_A[0]))
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@A = common global [1024 x i32] zeroinitializer, align 16
@B = common global [1024 x float] zeroinitializer, align 16
define void @jd(i32 %N) {
entry:
%cmp6 = icmp sgt i32 %N, 0
br i1 %cmp6, label %for.body.preheader, label %for.end
for.body.preheader: ; preds = %entry
br label %for.body
for.body: ; preds = %for.body.preheader, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds [1024 x float]* @B, i64 0, i64 %indvars.iv
%tmp = load float* %arrayidx, align 4, !tbaa !1
%conv = fptosi float %tmp to i32
%arrayidx2 = getelementptr inbounds [1024 x i32]* @A, i64 0, i64 %indvars.iv
store i32 %conv, i32* %arrayidx2, align 4, !tbaa !5
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%lftr.wideiv1 = trunc i64 %indvars.iv.next to i32
%exitcond2 = icmp eq i32 %lftr.wideiv1, %N
br i1 %exitcond2, label %for.end.loopexit, label %for.body
for.end.loopexit: ; preds = %for.body
br label %for.end
for.end: ; preds = %for.end.loopexit, %entry
ret void
}
!0 = metadata !{metadata !""}
!1 = metadata !{metadata !2, metadata !2, i64 0}
!2 = metadata !{metadata !"float", metadata !3, i64 0}
!3 = metadata !{metadata !"omnipotent char", metadata !4, i64 0}
!4 = metadata !{metadata !"Simple C/C++ TBAA"}
!5 = metadata !{metadata !6, metadata !6, i64 0}
!6 = metadata !{metadata !"int", metadata !3, i64 0}
|
