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[LLParser] Make the line field of DIMacro(File) optional.

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Otherwise these records do not survive roundtrips.

llvm-svn: 290291
This commit is contained in:
Adrian Prantl 2016-12-22 00:29:00 +00:00
parent 6adadd607c
commit 534ff7f919
2 changed files with 23 additions and 2 deletions
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4
lib/AsmParser/LLParser.cpp
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@ -4121,7 +4121,7 @@ bool LLParser::ParseDINamespace(MDNode *&Result, bool IsDistinct) {
bool LLParser::ParseDIMacro(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
REQUIRED(type, DwarfMacinfoTypeField, ); \
REQUIRED(line, LineField, ); \
OPTIONAL(line, LineField, ); \
REQUIRED(name, MDStringField, ); \
OPTIONAL(value, MDStringField, );
PARSE_MD_FIELDS();
@ -4137,7 +4137,7 @@ bool LLParser::ParseDIMacro(MDNode *&Result, bool IsDistinct) {
bool LLParser::ParseDIMacroFile(MDNode *&Result, bool IsDistinct) {
#define VISIT_MD_FIELDS(OPTIONAL, REQUIRED) \
OPTIONAL(type, DwarfMacinfoTypeField, (dwarf::DW_MACINFO_start_file)); \
REQUIRED(line, LineField, ); \
OPTIONAL(line, LineField, ); \
REQUIRED(file, MDField, ); \
OPTIONAL(nodes, MDField, );
PARSE_MD_FIELDS();

21
test/Assembler/DIMacroFile.ll Normal file
View File

@ -0,0 +1,21 @@
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
@foo = global i32 0
; CHECK: !named = !{!0, !1, !2, !3, !4, !5}
!named = !{!0, !1, !2, !3, !4, !5}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!6, !7}
!0 = distinct !DICompileUnit(language: DW_LANG_C89, file: !1, macros: !2)
!1 = !DIFile(filename: "a.c", directory: "/")
!2 = !{!3}
; CHECK: !3 = !DIMacroFile(file: !1, nodes: !4)
!3 = !DIMacroFile(line: 0, file: !1, nodes: !4)
!4 = !{!5}
; CHECK: !5 = !DIMacro(type: DW_MACINFO_define, name: "X", value: "5")
!5 = !DIMacro(type: DW_MACINFO_define, line: 0, name: "X", value: "5")
!6 = !{i32 2, !"Dwarf Version", i32 4}
!7 = !{i32 2, !"Debug Info Version", i32 3}