From 8d308384a220c7dc81755c47cdcbdd87dac25d5b Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 10 Aug 2010 07:24:25 +0000
Subject: Even if a constant's evaluated value is used, emit debug info for the
 constant variable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110660 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CodeGenFunction.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'lib/CodeGen/CodeGenFunction.cpp')

diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index a3cd4f4c29..f992aa72e2 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/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);
+}
-- 
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