xref: /llvm-project/llvm/test/Transforms/CodeExtractor/PartialInlineAlloca2.ll (revision bbbbbfbdcb1ab1ba9857138dfa0f2355da8e4499)
1; RUN: opt < %s -passes=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 { ptr }
5%"struct.base" = type opaque
6
7@g = external local_unnamed_addr global i32, align 4
8
9define i32 @callee_no_bitcast(i32 %arg) local_unnamed_addr #0 {
10; CHECK-LABEL:define{{.*}}@callee_no_bitcast.{{[0-9]}}
11; CHECK: alloca
12; CHECK: call void @llvm.lifetime
13bb:
14  %tmp = alloca i8, align 4
15  %tmp2 = load i32, ptr @g, align 4, !tbaa !2
16  %tmp3 = add nsw i32 %tmp2, 1
17  %tmp4 = icmp slt i32 %arg, 0
18  br i1 %tmp4, label %bb6, label %bb5
19
20bb5:                                              ; preds = %bb
21  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %tmp) #2
22  store i32 %tmp3, ptr @g, align 4, !tbaa !2
23  call void @bar(ptr nonnull %tmp) #2
24  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp) #2
25  br label %bb6
26
27bb6:                                              ; preds = %bb5, %bb
28  %tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
29  ret i32 %tmp7
30}
31
32; Function Attrs: argmemonly nounwind
33declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1
34
35declare void @bar(ptr) local_unnamed_addr #2
36declare void @bar2(ptr, ptr) local_unnamed_addr #1
37
38
39; Function Attrs: argmemonly nounwind
40declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1
41
42; Function Attrs: nounwind uwtable
43define i32 @caller(i32 %arg) local_unnamed_addr #0 {
44bb:
45  %tmp = tail call i32 @callee_no_bitcast(i32 %arg)
46  ret i32 %tmp
47}
48
49attributes #0 = { nounwind uwtable}
50attributes #1 = { argmemonly nounwind }
51attributes #2 = { nounwind }
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 303574)"}
58!2 = !{!3, !3, i64 0}
59!3 = !{!"int", !4, i64 0}
60!4 = !{!"omnipotent char", !5, i64 0}
61!5 = !{!"Simple C/C++ TBAA"}
62
63
64
65