1; RUN: opt %loadPolly -polly-optree -analyze < %s | FileCheck %s -match-full-lines
2;
3; Rematerialize a load.
4;
5; for (int j = 0; j < n; j += 1) {
6; bodyA:
7;   double val = B[j];
8;
9; bodyB:
10;   A[j] = val;
11; }
12;
13
14declare double @f() #0
15
16define void @func(i32 %n, double* noalias nonnull %A, double* noalias nonnull %B) {
17entry:
18  br label %for
19
20for:
21  %j = phi i32 [0, %entry], [%j.inc, %inc]
22  %j.cmp = icmp slt i32 %j, %n
23  br i1 %j.cmp, label %bodyA, label %exit
24
25    bodyA:
26      %val = call double @f()
27      %A_idx = getelementptr inbounds double, double* %A, i32 %j
28      store double %val, double* %A_idx
29      br label %bodyB
30
31    bodyB:
32      %B_idx = getelementptr inbounds double, double* %B, i32 %j
33      store double %val, double* %B_idx
34      br label %inc
35
36inc:
37  %j.inc = add nuw nsw i32 %j, 1
38  br label %for
39
40exit:
41  br label %return
42
43return:
44  ret void
45}
46
47attributes #0 = { nounwind readnone }
48
49
50; CHECK: Statistics {
51; CHECK:     Reloads: 1
52; CHECK: }
53
54; CHECK:      After statements {
55; CHECK-NEXT:     Stmt_bodyA
56; CHECK-NEXT:             MustWriteAccess :=  [Reduction Type: NONE] [Scalar: 0]
57; CHECK-NEXT:                 [n] -> { Stmt_bodyA[i0] -> MemRef_A[i0] };
58; CHECK-NEXT:             MustWriteAccess :=  [Reduction Type: NONE] [Scalar: 1]
59; CHECK-NEXT:                 [n] -> { Stmt_bodyA[i0] -> MemRef_val[] };
60; CHECK-NEXT:             Instructions {
61; CHECK-NEXT:                   %val = call double @f()
62; CHECK-NEXT:                   store double %val, double* %A_idx, align 8
63; CHECK-NEXT:             }
64; CHECK-NEXT:     Stmt_bodyB
65; CHECK-NEXT:             MustWriteAccess :=  [Reduction Type: NONE] [Scalar: 0]
66; CHECK-NEXT:                 [n] -> { Stmt_bodyB[i0] -> MemRef_B[i0] };
67; CHECK-NEXT:             ReadAccess :=       [Reduction Type: NONE] [Scalar: 1]
68; CHECK-NEXT:                 [n] -> { Stmt_bodyB[i0] -> MemRef_val[] };
69; CHECK-NEXT:            new: [n] -> { Stmt_bodyB[i0] -> MemRef_A[i0] };
70; CHECK-NEXT:             Instructions {
71; CHECK-NEXT:                   store double %val, double* %B_idx, align 8
72; CHECK-NEXT:             }
73; CHECK-NEXT: }
74