Even if a constant's evaluated value is used, emit debug info for the constant variable.

llvm-svn: 110660

1 files changed, 14 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index a3cd4f4c29c..f992aa72e2e 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -1284,3 +1284,17 @@ llvm::Value *CodeGenFunction::getEHCleanupDestSlot() {
       CreateTempAlloca(Builder.getInt32Ty(), "eh.cleanup.dest.slot");
   return EHCleanupDest;
 }
+
+void CodeGenFunction::EmitDeclRefExprDbgValue(const DeclRefExpr *E, 
+                                              const APValue &AV) {
+  CGDebugInfo *Dbg = getDebugInfo();
+  if (!Dbg) return;
+
+  llvm::Constant *C = NULL;
+  if (AV.isInt())
+    C = llvm::ConstantInt::get(getLLVMContext(), AV.getInt());
+  else if (AV.isFloat())
+    C = llvm::ConstantFP::get(getLLVMContext(), AV.getFloat());
+  if (C)
+    Dbg->EmitGlobalVariable(C, E->getDecl(), Builder);
+}