xref: /llvm-project/polly/test/ScheduleOptimizer/GreedyFuse/nofuse-with-middle.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -polly-reschedule=0 -polly-loopfusion-greedy=1 -polly-postopts=0 '-passes=print<polly-opt-isl>' -disable-output < %s | FileCheck %s
2; RUN: opt %loadNPMPolly -polly-reschedule=1 -polly-loopfusion-greedy=1 -polly-postopts=0 '-passes=print<polly-opt-isl>' -disable-output < %s | FileCheck %s
3
4define void @func(i32 %n, ptr noalias nonnull %A, ptr noalias nonnull %B, i32 %k) {
5entry:
6  br label %for1
7
8
9for1:
10  %j1 = phi i32 [0, %entry], [%j1.inc, %inc1]
11  %j1.cmp = icmp slt i32 %j1, %n
12  br i1 %j1.cmp, label %body1, label %exit1
13
14    body1:
15      %idx1 = add i32 %j1, %k
16      %arrayidx1 = getelementptr inbounds double, ptr %A, i32 %j1
17      store double 21.0, ptr %arrayidx1
18      br label %inc1
19
20inc1:
21  %j1.inc = add nuw nsw i32 %j1, 1
22  br label %for1
23
24exit1:
25  br label %middle2
26
27
28middle2:
29  store double 52.0, ptr %A
30  br label %for3
31
32
33for3:
34  %j3 = phi i32 [0, %middle2], [%j3.inc, %inc3]
35  %j3.cmp = icmp slt i32 %j3, %n
36  br i1 %j3.cmp, label %body3, label %exit3
37
38    body3:
39      %arrayidx3 = getelementptr inbounds double, ptr %B, i32 %j3
40      store double 84.0, ptr %arrayidx3
41      br label %inc3
42
43inc3:
44  %j3.inc = add nuw nsw i32 %j3, 1
45  br label %for3
46
47exit3:
48  br label %return
49
50
51return:
52  ret void
53}
54
55
56; CHECK:      Calculated schedule:
57; CHECK-NEXT:   n/a
58