1 ; RUN: llc < %s - | FileCheck %s
3 ; FIXME: A potentially more interesting test case would be:
9 ; We cannot current handle the above sequence because codegenprepare
10 ; hoists the second dbg.value above %call2, which then appears to
11 ; conflict with j=0. It does this because SelectionDAG cannot handle
12 ; global debug values.
14 target triple = "x86_64-apple-darwin10.0.0"
16 ;CHECK: ## DW_OP_consts
18 define i32 @foobar() nounwind readonly noinline ssp !dbg !0 {
20 tail call void @llvm.dbg.value(metadata i32 42, metadata !6, metadata !DIExpression()), !dbg !9
21 %call = tail call i32 @bar(), !dbg !11
22 tail call void @llvm.dbg.value(metadata i32 %call, metadata !6, metadata !DIExpression()), !dbg !11
23 %call2 = tail call i32 @bar(), !dbg !11
24 %add = add nsw i32 %call2, %call, !dbg !12
25 ret i32 %add, !dbg !10
28 declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
29 declare i32 @bar() nounwind readnone
32 !llvm.module.flags = !{!17}
34 !0 = distinct !DISubprogram(name: "foobar", linkageName: "foobar", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2, file: !15, scope: !1, type: !3, retainedNodes: !14)
35 !1 = !DIFile(filename: "mu.c", directory: "/private/tmp")
36 !2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 114183)", isOptimized: true, emissionKind: FullDebug, file: !15, enums: !16, retainedTypes: !16, imports: null)
37 !3 = !DISubroutineType(types: !4)
39 !5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
40 !6 = !DILocalVariable(name: "j", line: 15, scope: !7, file: !1, type: !5)
41 !7 = distinct !DILexicalBlock(line: 12, column: 52, file: !15, scope: !0)
43 !9 = !DILocation(line: 15, column: 12, scope: !7)
44 !10 = !DILocation(line: 23, column: 3, scope: !7)
45 !11 = !DILocation(line: 17, column: 3, scope: !7)
46 !12 = !DILocation(line: 18, column: 3, scope: !7)
48 !15 = !DIFile(filename: "mu.c", directory: "/private/tmp")
50 !17 = !{i32 1, !"Debug Info Version", i32 3}