1; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s
2target 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"
3
4; Derived from the following code:
5;
6; void foo(long n, long m, double A[n][m]) {
7;   for (long i = 0; i < 100; i++)
8;     for (long j = 0; j < 150; j++)
9;       A[i][j] = 1.0;
10; }
11;
12; CHECK: entry:
13; CHECK: polly.split_new_and_old:
14; CHECK: %0 = icmp sge i64 %m, 150
15; CHECK: br i1 %0, label %polly.start, label %for.i
16
17define void @foo(i64 %n, i64 %m, double* %A) {
18entry:
19  br label %for.i
20
21for.i:
22  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
23  %tmp = mul nsw i64 %i, %m
24  br label %for.j
25
26for.j:
27  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
28  %vlaarrayidx.sum = add i64 %j, %tmp
29  %arrayidx = getelementptr inbounds double, double* %A, i64 %vlaarrayidx.sum
30  store double 1.0, double* %arrayidx
31  %j.inc = add nsw i64 %j, 1
32  %j.exitcond = icmp eq i64 %j.inc, 150
33  br i1 %j.exitcond, label %for.i.inc, label %for.j
34
35for.i.inc:
36  %i.inc = add nsw i64 %i, 1
37  %i.exitcond = icmp eq i64 %i.inc, 100
38  br i1 %i.exitcond, label %end, label %for.i
39
40end:
41  ret void
42}
43