1; RUN: opt -basic-aa -da -analyze -enable-new-pm=0 < %s
2; RUN: opt -aa-pipeline=basic-aa -passes='require<da>,print<delinearization>' -disable-output < %s
3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux-gnu"
5
6; Derived from the following code:
7;
8; void foo(long n, long m, double *A) {
9;   for (long i = 0; i < n; i++)
10;     for (long j = 0; j < m; j++)
11;       *(A + i * n + j) = 1.0;
12;       *(A + j * m + i) = 2.0;
13; }
14
15define void @foo(i64 %n, i64 %m, double* %A) {
16entry:
17  br label %for.i
18
19for.i:
20  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
21  br label %for.j
22
23for.j:
24  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
25  %tmp = mul nsw i64 %i, %m
26  %vlaarrayidx.sum = add i64 %j, %tmp
27  %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum
28  store double 1.0, double* %arrayidx
29  %tmp1 = mul nsw i64 %j, %n
30  %vlaarrayidx.sum1 = add i64 %i, %tmp1
31  %arrayidx1 = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum1
32  store double 1.0, double* %arrayidx1
33  %j.inc = add nsw i64 %j, 1
34  %j.exitcond = icmp eq i64 %j.inc, %m
35  br i1 %j.exitcond, label %for.i.inc, label %for.j
36
37for.i.inc:
38  %i.inc = add nsw i64 %i, 1
39  %i.exitcond = icmp eq i64 %i.inc, %n
40  br i1 %i.exitcond, label %end, label %for.i
41
42end:
43  ret void
44}
45