Change the parsing of .loc back to allow the LineNumber field to be optional as
it is with other assemblers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111967 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index c65becf..f83cd5e 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -1838,7 +1838,7 @@
/// ParseDirectiveLoc
-/// ::= .loc FileNumber LineNumber [ColumnPos] [basic_block] [prologue_end]
+/// ::= .loc FileNumber [LineNumber] [ColumnPos] [basic_block] [prologue_end]
/// [epilogue_begin] [is_stmt VALUE] [isa VALUE]
/// The first number is a file number, must have been previously assigned with
/// a .file directive, the second number is the line number and optionally the
@@ -1855,12 +1855,13 @@
return TokError("unassigned file number in '.loc' directive");
Lex();
- if (getLexer().isNot(AsmToken::Integer))
- return TokError("unexpected token in '.loc' directive");
- int64_t LineNumber = getTok().getIntVal();
- if (LineNumber < 1)
- return TokError("line number less than one in '.loc' directive");
- Lex();
+ int64_t LineNumber = 0;
+ if (getLexer().is(AsmToken::Integer)) {
+ LineNumber = getTok().getIntVal();
+ if (LineNumber < 1)
+ return TokError("line number less than one in '.loc' directive");
+ Lex();
+ }
int64_t ColumnPos = 0;
if (getLexer().is(AsmToken::Integer)) {