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1; RUN: opt %loadPolly -polly-mse -analyze < %s | FileCheck %s
2;
3; Verify that the accesses are correctly expanded for MemoryKind::Value
4;
5; Original source code :
6;
7; #define Ni 10000
8; #define Nj 10000
9;
10; void mse(double A[Ni], double B[Nj]) {
11;   int i,j;
12;   double tmp = 6;
13;   for (i = 0; i < Ni; i++) {
14;     tmp = i;
15;     for (int j = 0; j<Nj; j++) {
16;       A[j] = tmp+3;
17;     }
18;     B[i] = tmp;
19;   }
20; }
21;
22; Check if the expanded SAI are created
23;
24; CHECK: double MemRef_conv_Stmt_for_body_expanded[10000]; // Element size 8
25;
26; Check if the memory accesses are modified
27;
28; CHECK: new: { Stmt_for_body[i0] -> MemRef_conv_Stmt_for_body_expanded[i0] };
29; CHECK: new: { Stmt_for_body5[i0, i1] -> MemRef_conv_Stmt_for_body_expanded[i0] };
30; CHECK: new: { Stmt_for_end[i0] -> MemRef_conv_Stmt_for_body_expanded[i0] };
31;
32target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
33target triple = "x86_64-unknown-linux-gnu"
34
35define void @mse(double* %A, double* %B) {
36entry:
37  br label %entry.split
38
39entry.split:                                      ; preds = %entry
40  br label %for.body
41
42for.body:                                         ; preds = %entry.split, %for.end
43  %indvars.iv3 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next4, %for.end ]
44  %0 = trunc i64 %indvars.iv3 to i32
45  %conv = sitofp i32 %0 to double
46  br label %for.body5
47
48for.body5:                                        ; preds = %for.body, %for.body5
49  %indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body5 ]
50  %add = fadd double %conv, 3.000000e+00
51  %arrayidx = getelementptr inbounds double, double* %A, i64 %indvars.iv
52  store double %add, double* %arrayidx, align 8
53  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
54  %exitcond = icmp ne i64 %indvars.iv.next, 10000
55  br i1 %exitcond, label %for.body5, label %for.end
56
57for.end:                                          ; preds = %for.body5
58  %arrayidx7 = getelementptr inbounds double, double* %B, i64 %indvars.iv3
59  store double %conv, double* %arrayidx7, align 8
60  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
61  %exitcond5 = icmp ne i64 %indvars.iv.next4, 10000
62  br i1 %exitcond5, label %for.body, label %for.end10
63
64for.end10:                                        ; preds = %for.end
65  ret void
66}
67