1; RUN: llc -filetype=asm -asm-verbose=0 < %s | FileCheck %s
2
3; int main()
4; {
5;     int x = 0;
6;     if (x > 0)
7;         return x;
8;     x = -1; // <== this line should have correct debug location
9;     return -1;
10; }
11
12; CHECK: .loc 1 6 7
13; CHECK: mvn
14
15target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
16target triple = "armv7--linux-gnueabihf"
17
18; Function Attrs: nounwind
19define i32 @main() !dbg !4 {
20entry:
21  %retval = alloca i32, align 4
22  %x = alloca i32, align 4
23  store i32 0, i32* %retval
24  call void @llvm.dbg.declare(metadata i32* %x, metadata !10, metadata !11), !dbg !12
25  store i32 0, i32* %x, align 4, !dbg !12
26  %0 = load i32, i32* %x, align 4, !dbg !13
27  %cmp = icmp sgt i32 %0, 0, !dbg !15
28  br i1 %cmp, label %if.then, label %if.end, !dbg !16
29
30if.then:                                          ; preds = %entry
31  %1 = load i32, i32* %x, align 4, !dbg !17
32  store i32 %1, i32* %retval, !dbg !18
33  br label %return, !dbg !18
34
35if.end:                                           ; preds = %entry
36  store i32 -1, i32* %x, align 4, !dbg !19
37  store i32 -1, i32* %retval, !dbg !20
38  br label %return, !dbg !20
39
40return:                                           ; preds = %if.end, %if.then
41  %2 = load i32, i32* %retval, !dbg !21
42  ret i32 %2, !dbg !21
43}
44
45; Function Attrs: nounwind readnone
46declare void @llvm.dbg.declare(metadata, metadata, metadata)
47
48!llvm.dbg.cu = !{!0}
49!llvm.module.flags = !{!8, !9}
50
51!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, subprograms: !3)
52!1 = !DIFile(filename: "test.c", directory: "/home/user/clang/build")
53!2 = !{}
54!3 = !{!4}
55!4 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, variables: !2)
56!5 = !DISubroutineType(types: !6)
57!6 = !{!7}
58!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
59!8 = !{i32 2, !"Dwarf Version", i32 4}
60!9 = !{i32 2, !"Debug Info Version", i32 3}
61!10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 3, type: !7)
62!11 = !DIExpression()
63!12 = !DILocation(line: 3, column: 9, scope: !4)
64!13 = !DILocation(line: 4, column: 9, scope: !14)
65!14 = distinct !DILexicalBlock(scope: !4, file: !1, line: 4, column: 9)
66!15 = !DILocation(line: 4, column: 11, scope: !14)
67!16 = !DILocation(line: 4, column: 9, scope: !4)
68!17 = !DILocation(line: 5, column: 13, scope: !14)
69!18 = !DILocation(line: 5, column: 9, scope: !14)
70!19 = !DILocation(line: 6, column: 7, scope: !4)
71!20 = !DILocation(line: 7, column: 5, scope: !4)
72!21 = !DILocation(line: 8, column: 1, scope: !4)
73