[cfe-commits] r67876 - in /cfe/trunk/lib/CodeGen: CGDebugInfo.cpp CodeGenModule.h

[Devang Patel]

Author: dpatel
Date: Fri Mar 27 18:16:32 2009
New Revision: 67876

URL: http://llvm.org/viewvc/llvm-project?rev=67876&view=rev
Log:
Do not emit debug information for variables while generating optimized code.  The llvm optimizer and code generator are not yet ready to support optimized code debugging.


Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
    cfe/trunk/lib/CodeGen/CodeGenModule.h

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=67876&r1=67875&r2=67876&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Fri Mar 27 18:16:32 2009
@@ -19,6 +19,7 @@
 #include "clang/AST/RecordLayout.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/FileManager.h"
+#include "clang/Frontend/CompileOptions.h"
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Instructions.h"
@@ -665,6 +666,13 @@
                               llvm::Value *Storage, CGBuilderTy &Builder) {
   assert(!RegionStack.empty() && "Region stack mismatch, stack empty!");
 
+  // Do not emit variable debug information while generating optimized code.
+  // The llvm optimizer and code generator are not yet ready to support
+  // optimized code debugging.
+  const CompileOptions &CO = M->getCompileOpts();
+  if (CO.OptimizationLevel)
+    return;
+
   // Get location information.
   SourceManager &SM = M->getContext().getSourceManager();
   unsigned Line = SM.getInstantiationLineNumber(Decl->getLocation());
@@ -697,6 +705,14 @@
 /// EmitGlobalVariable - Emit information about a global variable.
 void CGDebugInfo::EmitGlobalVariable(llvm::GlobalVariable *Var, 
                                      const VarDecl *Decl) {
+
+  // Do not emit variable debug information while generating optimized code.
+  // The llvm optimizer and code generator are not yet ready to support
+  // optimized code debugging.
+  const CompileOptions &CO = M->getCompileOpts();
+  if (CO.OptimizationLevel)
+    return;
+
   // Create global variable debug descriptor.
   llvm::DICompileUnit Unit = getOrCreateCompileUnit(Decl->getLocation());
   SourceManager &SM = M->getContext().getSourceManager();

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.h?rev=67876&r1=67875&r2=67876&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.h (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.h Fri Mar 27 18:16:32 2009
@@ -159,6 +159,7 @@
 
   CGDebugInfo *getDebugInfo() { return DebugInfo; }
   ASTContext &getContext() const { return Context; }
+  const CompileOptions &getCompileOpts() const { return CompileOpts; }
   const LangOptions &getLangOptions() const { return Features; }
   llvm::Module &getModule() const { return TheModule; }
   CodeGenTypes &getTypes() { return Types; }