xref: /llvm-project/llvm/test/CodeGen/X86/windows-seh-EHa-PreserveCFG.ll (revision b6fc463d4c0b00e0741776f9d41b47f532a80b9e) 
1; RUN: llc -mtriple=x86_64-pc-windows-msvc %s -o /dev/null
2define dso_local void @main(ptr %addr, ptr %src, ptr %dst) personality ptr @__CxxFrameHandler3 !dbg !11 {
3entry:
4  %tmp0 = load float, ptr %src
5  %src1 = getelementptr inbounds float, ptr %src, i64 1
6  %tmp1 = load float, ptr %src1
7  %src2 = getelementptr inbounds float, ptr %src, i64 2
8  %tmp2 = load float, ptr %src2
9  %src3 = getelementptr inbounds float, ptr %src, i64 3
10  %tmp3 = load float, ptr %src3
11  %src4 = getelementptr inbounds float, ptr %src, i64 4
12  %tmp4 = load float, ptr %src4
13  %src5 = getelementptr inbounds float, ptr %src, i64 5
14  %tmp5 = load float, ptr %src5
15  %src6 = getelementptr inbounds float, ptr %src, i64 6
16  %tmp6 = load float, ptr %src6
17  invoke void @foo(ptr %addr)
18          to label %scope_begin unwind label %ehcleanup1, !dbg !13
19
20scope_begin:
21  invoke void @llvm.seh.scope.begin()
22          to label %scope_end unwind label %ehcleanup, !dbg !13
23
24scope_end:
25  invoke void @llvm.seh.scope.end()
26          to label %finish unwind label %ehcleanup, !dbg !13
27
28ehcleanup:
29  %0 = cleanuppad within none [], !dbg !13
30  call void @llvm.dbg.value(metadata ptr %addr, metadata !12, metadata !DIExpression()), !dbg !13
31  call void @foo(ptr %addr) [ "funclet"(token %0) ], !dbg !13
32  cleanupret from %0 unwind label %ehcleanup1, !dbg !13
33
34ehcleanup1:
35  %1 = cleanuppad within none [], !dbg !13
36  call void @foo(ptr %addr) [ "funclet"(token %1) ], !dbg !13
37  cleanupret from %1 unwind to caller, !dbg !13
38
39finish:
40  store float %tmp0, ptr %dst
41  %dst1 = getelementptr inbounds float, ptr %dst, i64 1
42  store float %tmp1, ptr %dst1
43  %dst2 = getelementptr inbounds float, ptr %dst, i64 2
44  store float %tmp2, ptr %dst2
45  %dst3 = getelementptr inbounds float, ptr %dst, i64 3
46  store float %tmp3, ptr %dst3
47  %dst4 = getelementptr inbounds float, ptr %dst, i64 4
48  store float %tmp4, ptr %dst4
49  %dst5 = getelementptr inbounds float, ptr %dst, i64 5
50  store float %tmp5, ptr %dst5
51  %dst6 = getelementptr inbounds float, ptr %dst, i64 6
52  store float %tmp6, ptr %dst6
53  ret void
54}
55
56declare dso_local void @llvm.seh.scope.begin()
57declare dso_local void @llvm.seh.scope.end()
58declare dso_local i32 @__CxxFrameHandler3(...)
59declare dso_local void @foo(ptr %addr)
60declare void @llvm.dbg.value(metadata, metadata, metadata)
61
62!llvm.module.flags = !{!0, !1, !2, !3}
63!llvm.dbg.cu = !{!14}
64
65!0 = !{i32 2, !"eh-asynch", i32 1}
66!1 = !{i32 2, !"CodeView", i32 1}
67!2 = !{i32 2, !"Debug Info Version", i32 3}
68!3 = !{i32 7, !"uwtable", i32 2}
69
70!4 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
71!5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
72!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
73!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64)
74!8 = !DISubroutineType(types: !9)
75!9 = !{null, !7, !5, !5}
76!10 = !DIFile(filename: "c:/main.cpp", directory: "")
77!11 = distinct !DISubprogram(name: "main", scope: !10, file: !10, line: 5, type: !8, scopeLine: 11, unit: !14)
78!12 = !DILocalVariable(name: "addr", scope: !11, file: !10, line: 5, type: !7)
79!13 = !DILocation(line: 7, scope: !11)
80!14 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !10, isOptimized: true, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
81