Fix PR1516:

When printing the uses of a function (-gen-function only), make sure to
include the constants referenced by intializers of global variables.

llvm-svn: 37615

1 files changed, 7 insertions, 2 deletions

diff --git a/llvm/tools/llvm2cpp/CppWriter.cpp b/llvm/tools/llvm2cpp/CppWriter.cpp
index 1076b59c021..a5aa7d46e3c 100644
--- a/llvm/tools/llvm2cpp/CppWriter.cpp
+++ b/llvm/tools/llvm2cpp/CppWriter.cpp
@@ -1435,9 +1435,14 @@ void CppWriter::printFunctionUses(const Function* F) {
       for (unsigned i = 0; i < I->getNumOperands(); ++i) {
         Value* operand = I->getOperand(i);
         printType(operand->getType());
-        if (GlobalValue* GV = dyn_cast<GlobalValue>(operand))
+
+        // If the operand references a GVal or Constant, make a note of it
+        if (GlobalValue* GV = dyn_cast<GlobalValue>(operand)) {
           gvs.push_back(GV);
-        else if (Constant* C = dyn_cast<Constant>(operand))
+          if (GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV)) 
+            if (GVar->hasInitializer())
+              consts.push_back(GVar->getInitializer());
+        } else if (Constant* C = dyn_cast<Constant>(operand))
           consts.push_back(C);
       }
     }