1 ; RUN: llc < %s -filetype=obj -o %t
2 ; RUN: llvm-dwarfdump -v %t | FileCheck %s
4 ; C++ source to regenerate:
9 ; void A::thiscallcc() {}
11 ; void __fastcall fastcallcc() {}
12 ; void __stdcall stdcallcc() {}
13 ; void __vectorcall vectorcallcc() {}
14 ; $ clang -g t.cpp -emit-llvm -S -o t.ll -O1
16 ; CHECK: .debug_abbrev contents:
18 ; CHECK: [[subroutine_abbrev:\[[0-9]+\]]] DW_TAG_subroutine_type DW_CHILDREN_yes
19 ; CHECK-NEXT: DW_AT_type DW_FORM_ref4
20 ; CHECK-NEXT: DW_AT_calling_convention DW_FORM_data1
22 ; CHECK: .debug_info contents:
24 ; CHECK: DW_TAG_subroutine_type [[subroutine_abbrev]] *
25 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] {{.*}}
26 ; CHECK-NEXT: DW_AT_calling_convention [DW_FORM_data1] (DW_CC_BORLAND_msfastcall)
28 ; CHECK: DW_TAG_subprogram [{{.*}}] *
30 ; CHECK: DW_AT_high_pc
31 ; CHECK: DW_AT_frame_base
32 ; CHECK: DW_AT_linkage_name
34 ; CHECK: DW_AT_decl_file
35 ; CHECK: DW_AT_decl_line
36 ; CHECK: DW_AT_calling_convention [DW_FORM_data1] (DW_CC_BORLAND_msfastcall)
38 ; CHECK: DW_AT_external
41 source_filename = "t.cpp"
42 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
43 target triple = "i386-pc-windows-msvc19.0.23918"
45 @"\01?fptr@@3P6IHHH@ZA" = global i32 (i32, i32)* @"\01?f@@YIHHH@Z", align 4, !dbg !0
47 ; Function Attrs: nounwind readnone
48 define x86_fastcallcc i32 @"\01?f@@YIHHH@Z"(i32 inreg %a, i32 inreg %b) #0 !dbg !13 {
50 tail call void @llvm.dbg.value(metadata i32 %b, metadata !15, metadata !17), !dbg !18
51 tail call void @llvm.dbg.value(metadata i32 %a, metadata !16, metadata !17), !dbg !19
52 %add = add nsw i32 %b, %a, !dbg !20
53 ret i32 %add, !dbg !21
56 ; Function Attrs: nounwind readnone
57 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
59 attributes #0 = { nounwind readnone "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
60 attributes #1 = { nounwind readnone }
63 !llvm.module.flags = !{!10, !11}
66 !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
67 !1 = !DIGlobalVariable(name: "fptr", linkageName: "\01?fptr@@3P6IHHH@ZA", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true)
68 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 272067)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
69 !3 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
72 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32, align: 32)
73 !7 = !DISubroutineType(cc: DW_CC_BORLAND_msfastcall, types: !8)
75 !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
76 !10 = !{i32 2, !"Dwarf Version", i32 4}
77 !11 = !{i32 2, !"Debug Info Version", i32 3}
78 !12 = !{!"clang version 3.9.0 (trunk 272067)"}
79 !13 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YIHHH@Z", scope: !3, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !14)
81 !15 = !DILocalVariable(name: "b", arg: 2, scope: !13, file: !3, line: 1, type: !9)
82 !16 = !DILocalVariable(name: "a", arg: 1, scope: !13, file: !3, line: 1, type: !9)
84 !18 = !DILocation(line: 1, column: 29, scope: !13)
85 !19 = !DILocation(line: 1, column: 22, scope: !13)
86 !20 = !DILocation(line: 1, column: 43, scope: !13)
87 !21 = !DILocation(line: 1, column: 34, scope: !13)