1
2;  RUN: opt < %s -partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck  %s
3 ; RUN: opt < %s -passes=partial-inliner -skip-partial-inlining-cost-analysis -S | FileCheck   %s
4
5%"class.base" = type { %"struct.base"* }
6%"struct.base" = type opaque
7
8@g = external local_unnamed_addr global i32, align 4
9
10; Function Attrs: nounwind uwtable
11define i32 @callee_sinkable_bitcast(i32 %arg) local_unnamed_addr #0 {
12; CHECK-LABEL:define{{.*}}@callee_sinkable_bitcast.{{[0-9]}}
13; CHECK: alloca
14; CHECK-NEXT: bitcast
15; CHECK: call void @llvm.lifetime
16bb:
17  %tmp = alloca  %"class.base", align 4
18  %tmp1 = bitcast %"class.base"* %tmp to i8*
19  %tmp2 = load i32, i32* @g, align 4, !tbaa !2
20  %tmp3 = add nsw i32 %tmp2, 1
21  %tmp4 = icmp slt i32 %arg, 0
22  br i1 %tmp4, label %bb6, label %bb5
23
24bb5:                                              ; preds = %bb
25  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %tmp1) #2
26  %tmp11 = bitcast %"class.base"* %tmp to i32*
27  store i32 %tmp3, i32* %tmp11, align 4, !tbaa !2
28  store i32 %tmp3, i32* @g, align 4, !tbaa !2
29  call void @bar(i32* nonnull %tmp11) #2
30  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %tmp1) #2
31  br label %bb6
32
33bb6:                                              ; preds = %bb5, %bb
34  %tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
35  ret i32 %tmp7
36}
37
38declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
39
40declare void @bar(i32*) local_unnamed_addr #2
41declare void @bar2(i32*, i32*) local_unnamed_addr #1
42
43
44; Function Attrs: argmemonly nounwind
45declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
46
47; Function Attrs: nounwind uwtable
48define i32 @caller(i32 %arg) local_unnamed_addr #0 {
49bb:
50  %tmp = tail call i32 @callee_sinkable_bitcast(i32 %arg)
51  ret i32 %tmp
52}
53
54attributes #0 = { nounwind uwtable}
55attributes #1 = { argmemonly nounwind }
56attributes #2 = { nounwind }
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 303574)"}
63!2 = !{!3, !3, i64 0}
64!3 = !{!"int", !4, i64 0}
65!4 = !{!"omnipotent char", !5, i64 0}
66!5 = !{!"Simple C/C++ TBAA"}
67
68
69