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
60
61
62
63
64
65
66
| ; RUN: opt %loadPolly -polly-mse -analyze < %s | FileCheck %s
;
; Verify that the accesses are correctly expanded for MemoryKind::Value
;
; Original source code :
;
; #define Ni 10000
; #define Nj 10000
;
; void mse(double A[Ni], double B[Nj]) {
; int i,j;
; double tmp = 6;
; for (i = 0; i < Ni; i++) {
; tmp = i;
; for (int j = 0; j<Nj; j++) {
; A[j] = tmp+3;
; }
; B[i] = tmp;
; }
; }
;
; Check if the expanded SAI are created
;
; CHECK: double MemRef_conv_Stmt_for_body_expanded[10000]; // Element size 8
;
; Check if the memory accesses are modified
;
; CHECK: new: { Stmt_for_body[i0] -> MemRef_conv_Stmt_for_body_expanded[i0] };
; CHECK: new: { Stmt_for_body5[i0, i1] -> MemRef_conv_Stmt_for_body_expanded[i0] };
; CHECK: new: { Stmt_for_end[i0] -> MemRef_conv_Stmt_for_body_expanded[i0] };
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @mse(double* %A, double* %B) {
entry:
br label %entry.split
entry.split: ; preds = %entry
br label %for.body
for.body: ; preds = %entry.split, %for.end
%indvars.iv3 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next4, %for.end ]
%0 = trunc i64 %indvars.iv3 to i32
%conv = sitofp i32 %0 to double
br label %for.body5
for.body5: ; preds = %for.body, %for.body5
%indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body5 ]
%add = fadd double %conv, 3.000000e+00
%arrayidx = getelementptr inbounds double, double* %A, i64 %indvars.iv
store double %add, double* %arrayidx, align 8
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
%exitcond = icmp ne i64 %indvars.iv.next, 10000
br i1 %exitcond, label %for.body5, label %for.end
for.end: ; preds = %for.body5
%arrayidx7 = getelementptr inbounds double, double* %B, i64 %indvars.iv3
store double %conv, double* %arrayidx7, align 8
%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
%exitcond5 = icmp ne i64 %indvars.iv.next4, 10000
br i1 %exitcond5, label %for.body, label %for.end10
for.end10: ; preds = %for.end
ret void
}
|