| ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v --debug-info - | FileCheck %s |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_fbreg +0) |
| ; CHECK-NEXT: DW_AT_name {{.*}}"i" |
| |
| target datalayout = "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-darwin" |
| |
| ; Function Attrs: nounwind uwtable |
| declare i32 @foo(i32 %i) #0 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind uwtable |
| define i32 @main() #0 !dbg !9 { |
| entry: |
| %retval = alloca i32, align 4 |
| %i = alloca i32, align 4 |
| store i32 0, ptr %retval |
| call void @llvm.dbg.declare(metadata ptr %i, metadata !20, metadata !16), !dbg !21 |
| store i32 20, ptr %i, align 4, !dbg !21 |
| %0 = load i32, ptr %i, align 4, !dbg !22 |
| %call = call i32 @foo(i32 %0), !dbg !23 |
| ret i32 %call, !dbg !24 |
| } |
| |
| attributes #0 = { nounwind uwtable } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!12, !13} |
| !llvm.ident = !{!14} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "x.c", directory: "") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !5 = !DIFile(filename: "x.c", directory: "") |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{!8, !8} |
| !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !9 = distinct !DISubprogram(name: "main", line: 8, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 9, file: !1, scope: !5, type: !10, retainedNodes: !2) |
| !10 = !DISubroutineType(types: !11) |
| !11 = !{!8} |
| !12 = !{i32 2, !"Dwarf Version", i32 4} |
| !13 = !{i32 2, !"Debug Info Version", i32 3} |
| !14 = !{!"clang version 3.7.0"} |
| !15 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !4, file: !5, type: !8) |
| !16 = !DIExpression() |
| !17 = !DILocation(line: 2, column: 10, scope: !4) |
| !18 = !DILocation(line: 4, column: 10, scope: !4) |
| !19 = !DILocation(line: 4, column: 3, scope: !4) |
| !20 = !DILocalVariable(name: "i", line: 10, scope: !9, file: !5, type: !8) |
| !21 = !DILocation(line: 10, column: 7, scope: !9) |
| !22 = !DILocation(line: 11, column: 15, scope: !9) |
| !23 = !DILocation(line: 11, column: 10, scope: !9) |
| !24 = !DILocation(line: 11, column: 3, scope: !9) |