xref: /llvm-project/llvm/test/Transforms/SCCP/ipsccp-phi-one-pred-dead.ll (revision 9b994593cc2aec4c4979400ec747965bd3823bc0)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -S -passes=ipsccp | FileCheck %s
3target triple = "x86_64-unknown-linux-gnu"
4
5define void @test() {
6; CHECK-LABEL: @test(
7; CHECK-NEXT:  entry:
8; CHECK-NEXT:    br label [[FLOW5_PRE:%.*]]
9; CHECK:       Flow6:
10; CHECK-NEXT:    unreachable
11; CHECK:       Flow5.pre:
12; CHECK-NEXT:    br label [[FLOW5:%.*]]
13; CHECK:       Flow5:
14; CHECK-NEXT:    br label [[FLOW6:%.*]]
15;
16entry:
17  br i1 true, label %Flow5.pre, label %Flow5.pre.unreachable
18
19Flow5.pre.unreachable:
20  br label %Flow5
21
22Flow6:
23  br i1 %0, label %end1, label %end2
24
25Flow5.pre:
26  br label %Flow5
27
28Flow5:
29  %0 = phi i1 [ undef, %Flow5.pre ], [ false, %Flow5.pre.unreachable ]
30  br label %Flow6
31
32end1:
33  unreachable
34
35end2:
36  unreachable
37}
38