xref: /llvm-project/polly/test/CodeGen/phi_with_multi_exiting_edges_2.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s
2;
3; CHECK: polly.merge_new_and_old:
4; CHECK:   %result.ph.merge = phi float [ %result.ph.final_reload, %polly.exiting ], [ %result.ph, %next.region_exiting ]
5; CHECK:   br label %next
6;
7; CHECK: next:
8; CHECK:   %result = phi float [ %result.ph.merge, %polly.merge_new_and_old ]
9; CHECK:   ret float %result
10
11define float @foo(ptr %A, i64 %param) {
12entry:
13  br label %entry.split
14
15entry.split:
16  %branchcond = icmp slt i64 %param, 64
17  br i1 %branchcond, label %loopA, label %loopB
18
19loopA:
20  %indvarA = phi i64 [0, %entry.split], [%indvar.nextA, %loopA]
21  %indvar.nextA = add i64 %indvarA, 1
22  %valA = load float, ptr %A
23  %sumA = fadd float %valA, %valA
24  store float %valA, ptr %A
25  %cndA = icmp eq i64 %indvar.nextA, 100
26  br i1 %cndA, label %next, label %loopA
27
28loopB:
29  %indvarB = phi i64 [0, %entry.split], [%indvar.nextB, %loopB]
30  %indvar.nextB = add i64 %indvarB, 1
31  %valB = load float, ptr %A
32  %sumB = fadd float %valB, %valB
33  store float %valB, ptr %A
34  %cndB = icmp eq i64 %indvar.nextB, 100
35  br i1 %cndB, label %next, label %loopB
36
37next:
38  %result = phi float [%sumA, %loopA], [%sumB, %loopB]
39  ret float %result
40
41}
42