1; RUN: opt < %s -partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck  %s
2; RUN: opt < %s -passes=partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck   %s
3
4%"class.base" = type { %"struct.base"* }
5%"struct.base" = type opaque
6
7@g = external local_unnamed_addr global i32, align 4
8
9define i32 @callee_unknown_use2(i32 %arg) local_unnamed_addr #0 {
10; CHECK-LABEL:define{{.*}}@callee_unknown_use2.{{[0-9]}}
11; CHECK-NOT: alloca
12; CHECK: call void @llvm.lifetime
13bb:
14  %tmp = alloca i32, align 4
15  %tmp1 = bitcast i32* %tmp to i8*
16  %tmp2 = load i32, i32* @g, align 4, !tbaa !2
17  %tmp3 = add nsw i32 %tmp2, 1
18  %tmp4 = icmp slt i32 %arg, 0
19  br i1 %tmp4, label %bb6, label %bb5
20
21bb5:                                              ; preds = %bb
22  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp1) #2
23  store i32 %tmp3, i32* %tmp, align 4, !tbaa !2
24  store i32 %tmp3, i32* @g, align 4, !tbaa !2
25  call void @bar(i32* nonnull %tmp) #2
26  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) #2
27  br label %bb6
28
29bb6:                                              ; preds = %bb5, %bb
30  %tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
31  %tmp10 = bitcast i8* %tmp1 to i32*
32  ret i32 %tmp7
33}
34
35; Function Attrs: argmemonly nounwind
36declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
37
38declare void @bar(i32*) local_unnamed_addr #2
39declare void @bar2(i32*, i32*) local_unnamed_addr #1
40
41
42; Function Attrs: argmemonly nounwind
43declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
44
45; Function Attrs: nounwind uwtable
46define i32 @caller(i32 %arg) local_unnamed_addr #0 {
47bb:
48  %tmp = tail call i32 @callee_unknown_use2(i32 %arg)
49  ret i32 %tmp
50}
51
52attributes #0 = { nounwind uwtable}
53attributes #1 = { argmemonly nounwind }
54attributes #2 = { nounwind }
55
56!llvm.module.flags = !{!0}
57!llvm.ident = !{!1}
58
59!0 = !{i32 1, !"wchar_size", i32 4}
60!1 = !{!"clang version 5.0.0 (trunk 303574)"}
61!2 = !{!3, !3, i64 0}
62!3 = !{!"int", !4, i64 0}
63!4 = !{!"omnipotent char", !5, i64 0}
64!5 = !{!"Simple C/C++ TBAA"}
65
66
67
68