1 ; RUN: llc -mtriple=x86_64-windows-msvc < %s | FileCheck %s --check-prefix=ASM
3 ; Make sure variables come out in the right order. windbg builds the prototype
4 ; from the order of these records.
6 ; C++ source to regenerate:
8 ; int f(int a, int b, int c) {
11 ; return a + b + c + d + e;
13 ; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
15 ; ASM: .short 4414 # Record kind: S_LOCAL
16 ; ASM: .long 116 # TypeIndex
17 ; ASM: .short 1 # Flags
21 ; ASM: .short 4414 # Record kind: S_LOCAL
22 ; ASM: .long 116 # TypeIndex
23 ; ASM: .short 1 # Flags
27 ; ASM: .short 4414 # Record kind: S_LOCAL
28 ; ASM: .long 116 # TypeIndex
29 ; ASM: .short 1 # Flags
33 ; ASM: .short 4414 # Record kind: S_LOCAL
34 ; ASM: .long 116 # TypeIndex
35 ; ASM: .short 0 # Flags
39 ; ASM: .short 4414 # Record kind: S_LOCAL
40 ; ASM: .long 116 # TypeIndex
41 ; ASM: .short 0 # Flags
47 source_filename = "t.cpp"
48 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
49 target triple = "x86_64-pc-windows-msvc19.0.23918"
51 ; Function Attrs: nounwind uwtable
52 define i32 @"\01?f@@YAHHHH@Z"(i32 %a, i32 %b, i32 %c) #0 !dbg !7 {
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
81 ; Function Attrs: nounwind readnone
82 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
84 attributes #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" }
85 attributes #1 = { nounwind readnone }
88 !llvm.module.flags = !{!3, !4, !5}
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")
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, retainedNodes: !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)