Add a new option for and disable column number information as there
are no known current users of column info. Robustify and fix up
a few tests in the process. Reduces the size of debug information
by a small amount.
Part of PR14106
llvm-svn: 166236
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index f0c8532..e6e7ecf 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -259,6 +259,8 @@
unsigned CGDebugInfo::getColumnNumber(SourceLocation Loc) {
if (Loc.isInvalid() && CurLoc.isInvalid())
return 0;
+ if (!CGM.getCodeGenOpts().DebugColumnInfo)
+ return 0;
SourceManager &SM = CGM.getContext().getSourceManager();
PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc);
return PLoc.isValid()? PLoc.getColumn() : 0;