xref: /llvm-project/llvm/test/Transforms/CodeExtractor/live_shrink_hoist.ll (revision bbbbbfbdcb1ab1ba9857138dfa0f2355da8e4499)
1; RUN: opt -S -passes=partial-inliner -max-num-inline-blocks=3 -skip-partial-inlining-cost-analysis  < %s |   FileCheck %s
2; RUN: opt -S -passes=partial-inliner -max-num-inline-blocks=2  -skip-partial-inlining-cost-analysis < %s   | FileCheck %s
3
4%class.A = type { i32 }
5
6@cond = local_unnamed_addr global i32 0, align 4
7
8; Function Attrs: uwtable
9define void @_Z3foov() local_unnamed_addr  {
10bb:
11  %tmp = alloca %class.A, align 4
12  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %tmp)
13  %tmp2 = load i32, ptr @cond, align 4, !tbaa !2
14  %tmp3 = icmp eq i32 %tmp2, 0
15  br i1 %tmp3, label %bb4, label %bb9
16
17bb4:                                              ; preds = %bb
18  %foo = icmp eq i32 %tmp2, 0
19  br i1 %foo, label %bb5, label %bb9
20
21bb5:                                              ; preds = %bb4
22  call void @_ZN1A7memfuncEv(ptr nonnull %tmp)
23  %tmp6 = load i32, ptr %tmp, align 4, !tbaa !6
24  %tmp7 = icmp sgt i32 %tmp6, 0
25  br i1 %tmp7, label %bb9, label %bb8
26
27bb8:                                              ; preds = %bb4
28  call void @_ZN1A7memfuncEv(ptr nonnull %tmp)
29  br label %bb9
30
31bb9:                                              ; preds = %bb8, %bb4, %bb
32  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp)
33  ret void
34}
35
36; Function Attrs: argmemonly nounwind
37declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
38
39declare void @_ZN1A7memfuncEv(ptr) local_unnamed_addr
40
41; Function Attrs: argmemonly nounwind
42declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
43
44; Function Attrs: uwtable
45define void @_Z3goov() local_unnamed_addr  {
46bb:
47  tail call void @_Z3foov()
48  ret void
49}
50
51; CHECK-LABEL: define internal void @_Z3foov.1.
52; CHECK: bb9:
53; CHECK: call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp)
54; CHECK:  br label %.exitStub
55
56
57
58!llvm.module.flags = !{!0}
59!llvm.ident = !{!1}
60
61!0 = !{i32 1, !"wchar_size", i32 4}
62!1 = !{!"clang version 5.0.0 (trunk 304489)"}
63!2 = !{!3, !3, i64 0}
64!3 = !{!"int", !4, i64 0}
65!4 = !{!"omnipotent char", !5, i64 0}
66!5 = !{!"Simple C++ TBAA"}
67!6 = !{!7, !3, i64 0}
68!7 = !{!"_ZTS1A", !3, i64 0}
69