1 ; RUN: opt %loadNPMPolly -polly-stmt-granularity=bb '-passes=print<polly-delicm>' -disable-output < %s | FileCheck %s
3 ; void func(double *A) {
4 ; for (int j = 0; j < 2; j += 1) { /* outer */
6 ; for (int i = 0; i < 4; i += 1) /* reduction */
13 ; Check that A[j] is not used for mapping as it is still in use.
15 define void @func(ptr noalias nonnull %A) {
17 %fsomeval = fadd double 21.0, 21.0
18 br label %outer.preheader
24 %j = phi i32 [0, %outer.preheader], [%j.inc, %outer.inc]
25 %j.cmp = icmp slt i32 %j, 2
26 br i1 %j.cmp, label %reduction.preheader, label %outer.exit
30 br label %reduction.for
33 %i = phi i32 [0, %reduction.preheader], [%i.inc, %reduction.inc]
34 %phi = phi double [0.0, %reduction.preheader], [%add, %reduction.inc]
35 %i.cmp = icmp slt i32 %i, 4
36 br i1 %i.cmp, label %body, label %reduction.exit
41 %add = fadd double %phi, 4.2
42 br label %reduction.inc
47 %i.inc = add nuw nsw i32 %i, 1
48 br label %reduction.for
51 %A_idx = getelementptr inbounds double, ptr %A, i32 %j
52 %dummy = load double, ptr %A_idx
53 store double %phi, ptr %A_idx
59 %j.inc = add nuw nsw i32 %j, 1
71 ; CHECK: Compatible overwrites: 1
73 ; CHECK: No modification has been made