xref: /llvm-project/llvm/test/Transforms/CodeExtractor/PartialInlineAlloca.ll (revision bbbbbfbdcb1ab1ba9857138dfa0f2355da8e4499)
1
2;  RUN: opt < %s -passes=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 { ptr }
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: call void @llvm.lifetime
15bb:
16  %tmp = alloca  %"class.base", align 4
17  %tmp2 = load i32, ptr @g, align 4, !tbaa !2
18  %tmp3 = add nsw i32 %tmp2, 1
19  %tmp4 = icmp slt i32 %arg, 0
20  br i1 %tmp4, label %bb6, label %bb5
21
22bb5:                                              ; preds = %bb
23  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %tmp) #2
24  store i32 %tmp3, ptr %tmp, align 4, !tbaa !2
25  store i32 %tmp3, ptr @g, align 4, !tbaa !2
26  call void @bar(ptr nonnull %tmp) #2
27  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %tmp) #2
28  br label %bb6
29
30bb6:                                              ; preds = %bb5, %bb
31  %tmp7 = phi i32 [ 1, %bb5 ], [ 0, %bb ]
32  ret i32 %tmp7
33}
34
35declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #1
36
37declare void @bar(ptr) local_unnamed_addr #2
38declare void @bar2(ptr, ptr) local_unnamed_addr #1
39
40
41; Function Attrs: argmemonly nounwind
42declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #1
43
44; Function Attrs: nounwind uwtable
45define i32 @caller(i32 %arg) local_unnamed_addr #0 {
46bb:
47  %tmp = tail call i32 @callee_sinkable_bitcast(i32 %arg)
48  ret i32 %tmp
49}
50
51attributes #0 = { nounwind uwtable}
52attributes #1 = { argmemonly nounwind }
53attributes #2 = { nounwind }
54
55!llvm.module.flags = !{!0}
56!llvm.ident = !{!1}
57
58!0 = !{i32 1, !"wchar_size", i32 4}
59!1 = !{!"clang version 5.0.0 (trunk 303574)"}
60!2 = !{!3, !3, i64 0}
61!3 = !{!"int", !4, i64 0}
62!4 = !{!"omnipotent char", !5, i64 0}
63!5 = !{!"Simple C/C++ TBAA"}
64
65
66