xref: /llvm-project/polly/test/CodeGen/multidim_2d_parametric_array_static_loop_bounds.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -passes=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: %polly.rtc.result = and i1 %0, true
16; CHECK: br i1 %polly.rtc.result, label %polly.start, label %for.i
17
18define void @foo(i64 %n, i64 %m, ptr %A) {
19entry:
20  br label %for.i
21
22for.i:
23  %i = phi i64 [ 0, %entry ], [ %i.inc, %for.i.inc ]
24  %tmp = mul nsw i64 %i, %m
25  br label %for.j
26
27for.j:
28  %j = phi i64 [ 0, %for.i ], [ %j.inc, %for.j ]
29  %vlaarrayidx.sum = add i64 %j, %tmp
30  %arrayidx = getelementptr inbounds double, ptr %A, i64 %vlaarrayidx.sum
31  store double 1.0, ptr %arrayidx
32  %j.inc = add nsw i64 %j, 1
33  %j.exitcond = icmp eq i64 %j.inc, 150
34  br i1 %j.exitcond, label %for.i.inc, label %for.j
35
36for.i.inc:
37  %i.inc = add nsw i64 %i, 1
38  %i.exitcond = icmp eq i64 %i.inc, 100
39  br i1 %i.exitcond, label %end, label %for.i
40
41end:
42  ret void
43}
44