Fix a bug that cause a crash resolving questionable function calls
llvm-svn: 5567
diff --git a/llvm/lib/Transforms/IPO/FunctionResolution.cpp b/llvm/lib/Transforms/IPO/FunctionResolution.cpp
index 9c5580b..3d5991a 100644
--- a/llvm/lib/Transforms/IPO/FunctionResolution.cpp
+++ b/llvm/lib/Transforms/IPO/FunctionResolution.cpp
@@ -49,8 +49,8 @@
//
BasicBlock::iterator BBI = CI;
unsigned NumArgsToCopy = CI->getNumOperands()-1;
- if (CI->getNumOperands()-1 != ParamTys.size() &&
- !(CI->getNumOperands()-1 > ParamTys.size() &&
+ if (NumArgsToCopy != ParamTys.size() &&
+ !(NumArgsToCopy > ParamTys.size() &&
Dest->getFunctionType()->isVarArg())) {
std::cerr << "WARNING: Call arguments do not match expected number of"
<< " parameters.\n";
@@ -59,6 +59,8 @@
std::cerr << "Function resolved to: ";
WriteAsOperand(std::cerr, Dest);
std::cerr << "\n";
+ if (NumArgsToCopy > ParamTys.size())
+ NumArgsToCopy = ParamTys.size();
}
std::vector<Value*> Params;