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1; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=ASM
2
3; Make sure variables come out in the right order. windbg builds the prototype
4; from the order of these records.
5
6; C++ source to regenerate:
7; $ cat t.cpp
8; int f(int a, int b, int c) {
9;   int d = 4;
10;   int e = 5;
11;   return a + b + c + d + e;
12; }
13; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
14
15; ASM: .short  4414                    # Record kind: S_LOCAL
16; ASM: .long   116                     # TypeIndex
17; ASM: .short  1                       # Flags
18; ASM: .asciz  "a"
19; ASM: .cv_def_range
20
21; ASM: .short  4414                    # Record kind: S_LOCAL
22; ASM: .long   116                     # TypeIndex
23; ASM: .short  1                       # Flags
24; ASM: .asciz  "b"
25; ASM: .cv_def_range
26
27; ASM: .short  4414                    # Record kind: S_LOCAL
28; ASM: .long   116                     # TypeIndex
29; ASM: .short  1                       # Flags
30; ASM: .asciz  "c"
31; ASM: .cv_def_range
32
33; ASM: .short  4414                    # Record kind: S_LOCAL
34; ASM: .long   116                     # TypeIndex
35; ASM: .short  0                       # Flags
36; ASM: .asciz  "d"
37; ASM: .cv_def_range
38
39; ASM: .short  4414                    # Record kind: S_LOCAL
40; ASM: .long   116                     # TypeIndex
41; ASM: .short  0                       # Flags
42; ASM: .asciz  "e"
43; ASM: .cv_def_range
44
45
46; ModuleID = 't.cpp'
47source_filename = "t.cpp"
48target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
49target triple = "x86_64-pc-windows-msvc19.0.23918"
50
51; Function Attrs: nounwind uwtable
52define i32 @"\01?f@@YAHHHH@Z"(i32 %a, i32 %b, i32 %c) #0 !dbg !7 {
53entry:
54  %c.addr = alloca i32, align 4
55  %b.addr = alloca i32, align 4
56  %a.addr = alloca i32, align 4
57  %d = alloca i32, align 4
58  %e = alloca i32, align 4
59  store i32 %c, i32* %c.addr, align 4
60  call void @llvm.dbg.declare(metadata i32* %c.addr, metadata !11, metadata !12), !dbg !13
61  store i32 %b, i32* %b.addr, align 4
62  call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !14, metadata !12), !dbg !15
63  store i32 %a, i32* %a.addr, align 4
64  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !16, metadata !12), !dbg !17
65  call void @llvm.dbg.declare(metadata i32* %d, metadata !18, metadata !12), !dbg !19
66  store i32 4, i32* %d, align 4, !dbg !19
67  call void @llvm.dbg.declare(metadata i32* %e, metadata !20, metadata !12), !dbg !21
68  store i32 5, i32* %e, align 4, !dbg !21
69  %0 = load i32, i32* %a.addr, align 4, !dbg !22
70  %1 = load i32, i32* %b.addr, align 4, !dbg !23
71  %add = add nsw i32 %0, %1, !dbg !24
72  %2 = load i32, i32* %c.addr, align 4, !dbg !25
73  %add1 = add nsw i32 %add, %2, !dbg !26
74  %3 = load i32, i32* %d, align 4, !dbg !27
75  %add2 = add nsw i32 %add1, %3, !dbg !28
76  %4 = load i32, i32* %e, align 4, !dbg !29
77  %add3 = add nsw i32 %add2, %4, !dbg !30
78  ret i32 %add3, !dbg !31
79}
80
81; Function Attrs: nounwind readnone
82declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
83
84attributes #0 = { nounwind uwtable "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"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
85attributes #1 = { nounwind readnone }
86
87!llvm.dbg.cu = !{!0}
88!llvm.module.flags = !{!3, !4, !5}
89!llvm.ident = !{!6}
90
91!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 273683) (llvm/trunk 273691)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
92!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
93!2 = !{}
94!3 = !{i32 2, !"CodeView", i32 1}
95!4 = !{i32 2, !"Debug Info Version", i32 3}
96!5 = !{i32 1, !"PIC Level", i32 2}
97!6 = !{!"clang version 3.9.0 (trunk 273683) (llvm/trunk 273691)"}
98!7 = distinct !DISubprogram(name: "f", linkageName: "\01?f@@YAHHHH@Z", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
99!8 = !DISubroutineType(types: !9)
100!9 = !{!10, !10, !10, !10}
101!10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
102!11 = !DILocalVariable(name: "c", arg: 3, scope: !7, file: !1, line: 1, type: !10)
103!12 = !DIExpression()
104!13 = !DILocation(line: 1, column: 25, scope: !7)
105!14 = !DILocalVariable(name: "b", arg: 2, scope: !7, file: !1, line: 1, type: !10)
106!15 = !DILocation(line: 1, column: 18, scope: !7)
107!16 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 1, type: !10)
108!17 = !DILocation(line: 1, column: 11, scope: !7)
109!18 = !DILocalVariable(name: "d", scope: !7, file: !1, line: 2, type: !10)
110!19 = !DILocation(line: 2, column: 7, scope: !7)
111!20 = !DILocalVariable(name: "e", scope: !7, file: !1, line: 3, type: !10)
112!21 = !DILocation(line: 3, column: 7, scope: !7)
113!22 = !DILocation(line: 4, column: 10, scope: !7)
114!23 = !DILocation(line: 4, column: 14, scope: !7)
115!24 = !DILocation(line: 4, column: 12, scope: !7)
116!25 = !DILocation(line: 4, column: 18, scope: !7)
117!26 = !DILocation(line: 4, column: 16, scope: !7)
118!27 = !DILocation(line: 4, column: 22, scope: !7)
119!28 = !DILocation(line: 4, column: 20, scope: !7)
120!29 = !DILocation(line: 4, column: 26, scope: !7)
121!30 = !DILocation(line: 4, column: 24, scope: !7)
122!31 = !DILocation(line: 4, column: 3, scope: !7)
123