Add command line option to disable debug info printing in .s file. This option does not impact debug info generation and preservation through earlier compile starges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102012 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 7588bbb..6e877c7 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -44,6 +44,9 @@
static cl::opt<bool> PrintDbgScope("print-dbgscope", cl::Hidden,
cl::desc("Print DbgScope information for each machine instruction"));
+static cl::opt<bool> DisableDebugInfoPrinting("disable-debug-info-print", cl::Hidden,
+ cl::desc("Disable debug info printing"));
+
namespace {
const char *DWARFGroupName = "DWARF Emission";
const char *DbgTimerName = "DWARF Debug Writer";
@@ -1853,6 +1856,9 @@
/// content. Create global DIEs and emit initial debug info sections.
/// This is inovked by the target AsmPrinter.
void DwarfDebug::beginModule(Module *M) {
+ if (DisableDebugInfoPrinting)
+ return;
+
DebugInfoFinder DbgFinder;
DbgFinder.processModule(*M);