Parse and remember discriminators in .loc line. I try to output them with
another patch.
This lets us parse a bit more of the gcc 4.5 output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118975 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 489d451..24b94d1 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -2019,6 +2019,7 @@
unsigned Flags = DWARF2_LINE_DEFAULT_IS_STMT ? DWARF2_FLAG_IS_STMT : 0;
unsigned Isa = 0;
+ int64_t Discriminator = 0;
if (getLexer().isNot(AsmToken::EndOfStatement)) {
for (;;) {
if (getLexer().is(AsmToken::EndOfStatement))
@@ -2070,6 +2071,10 @@
return Error(Loc, "isa number not a constant value");
}
}
+ else if (Name == "discriminator") {
+ if (getParser().ParseAbsoluteExpression(Discriminator))
+ return true;
+ }
else {
return Error(Loc, "unknown sub-directive in '.loc' directive");
}
@@ -2079,7 +2084,8 @@
}
}
- getContext().setCurrentDwarfLoc(FileNumber, LineNumber, ColumnPos, Flags,Isa);
+ getContext().setCurrentDwarfLoc(FileNumber, LineNumber, ColumnPos, Flags,
+ Isa, Discriminator);
return false;
}