1; RUN: opt < %s -analyze -enable-new-pm=0 -delinearize | FileCheck %s
2; RUN: opt < %s -passes='print<delinearization>' -disable-output 2>&1 | FileCheck %s
3
4; CHECK: AccessFunction: ({0,+,%i2}<%outer.loop> + %unknown)
5; CHECK-NEXT: failed to delinearize
6
7; void foo(char A[], long i2, bool c) {
8;   for (long i = 0; ; ++i) {
9;     char *tmp = &A[i * i2];
10;     if (c)
11;       while (1)
12;          *((float*)&tmp[arg << arg]) = 0;
13;   }
14; }
15
16define void @foo(i8* %A, i64 %i2, i64 %arg, i1 %c) {
17entry:
18  br label %outer.loop
19
20outer.loop:
21  %outer.iv = phi i64 [ 0, %entry ], [ %outer.iv.next, %outer.latch ]
22  %i414 = mul nsw i64 %outer.iv, %i2
23  %tmp = getelementptr inbounds i8, i8* %A, i64 %i414
24  br i1 %c, label %inner.preheader, label %outer.latch
25
26inner.preheader:
27  %unknown = shl i64 %arg, %arg
28  %arrayidx = getelementptr inbounds i8, i8* %tmp, i64 %unknown
29  %ptr = bitcast i8* %arrayidx to float*
30  br label %inner.loop
31
32inner.loop:
33  store float 0.000000e+00, float* %ptr, align 4
34  br label %inner.loop
35
36outer.latch:
37  %outer.iv.next = add nuw nsw i64 %outer.iv, 1
38  br label %outer.loop
39}
40