xref: /llvm-project/llvm/test/Transforms/CodeExtractor/live_shrink_multiple.ll (revision bbbbbfbdcb1ab1ba9857138dfa0f2355da8e4499)
1; RUN: opt -S -passes=partial-inliner -skip-partial-inlining-cost-analysis < %s   | FileCheck %s
2
3%class.A = type { i32 }
4@cond = local_unnamed_addr global i32 0, align 4
5
6; Function Attrs: uwtable
7define void @_Z3foov() local_unnamed_addr  {
8bb:
9  %tmp = alloca %class.A, align 4
10  %tmp1 = alloca %class.A, align 4
11  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %tmp)
12  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %tmp1)
13  %tmp4 = load i32, ptr @cond, align 4, !tbaa !2
14  %tmp5 = icmp eq i32 %tmp4, 0
15  br i1 %tmp5, label %bb6, label %bb7
16
17bb6:                                              ; preds = %bb
18  call void @_ZN1A7memfuncEv(ptr nonnull %tmp)
19  br label %bb7
20
21bb7:                                              ; preds = %bb6, %bb
22  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp1)
23  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp)
24  ret void
25}
26
27; Function Attrs: argmemonly nounwind
28declare void @llvm.lifetime.start.p0(i64, ptr nocapture)
29
30declare void @_ZN1A7memfuncEv(ptr) local_unnamed_addr
31
32; Function Attrs: argmemonly nounwind
33declare void @llvm.lifetime.end.p0(i64, ptr nocapture)
34
35; Function Attrs: uwtable
36define void @_Z3goov() local_unnamed_addr  {
37bb:
38  tail call void @_Z3foov()
39  ret void
40}
41
42; CHECK-LABEL: define internal void @_Z3foov.1.
43; CHECK: newFuncRoot:
44; CHECK-NEXT:  alloca
45; CHECK-NEXT:  alloca
46; CHECK-NEXT:  call void @llvm.lifetime.start.p0
47; CHECK-NEXT:  call void @llvm.lifetime.start.p0
48; CHECK:  call void @llvm.lifetime.end.p0
49; CHECK-NEXT:  call void @llvm.lifetime.end.p0
50; CHECK-NEXT:  br label {{.*}}exitStub
51
52
53!llvm.module.flags = !{!0}
54!llvm.ident = !{!1}
55
56!0 = !{i32 1, !"wchar_size", i32 4}
57!1 = !{!"clang version 5.0.0 (trunk 304489)"}
58!2 = !{!3, !3, i64 0}
59!3 = !{!"int", !4, i64 0}
60!4 = !{!"omnipotent char", !5, i64 0}
61!5 = !{!"Simple C++ TBAA"}
62