Fix bug PR107, patch contributed by Reid Spencer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9911 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-12 04:40:30 +00:00
parent 400b89628e
commit 15b697214e

View File

@ -147,6 +147,7 @@ static struct PerFunctionInfo {
std::vector<ValueList> LateResolveValues;
std::vector<PATypeHolder> Types;
std::map<ValID, PATypeHolder> LateResolveTypes;
SymbolTable LocalSymtab;
bool isDeclare; // Is this function a forward declararation?
inline PerFunctionInfo() {
@ -183,7 +184,8 @@ static struct PerFunctionInfo {
CurModule.DeclareNewGlobalValue(CurrentFunction, FID);
Values.clear(); // Clear out function local definitions
Types.clear();
Types.clear(); // Clear out function local types
LocalSymtab.clear(); // Clear out function local symbol table
CurrentFunction = 0;
isDeclare = false;
}
@ -555,7 +557,30 @@ static bool setValueName(Value *V, char *NameStr) {
V->getType()->getDescription() + "' type plane!");
}
// Set the name
V->setName(Name, &ST);
// If we're in function scope
if (inFunctionScope()) {
// Look up the symbol in the function's local symboltable
Existing = CurFun.LocalSymtab.lookup(V->getType(),Name);
// If it already exists
if (Existing) {
// Clear the symbol table so it doesn't complain when it
// gets destructed
CurFun.LocalSymtab.clear();
// Bail
ThrowException("Redefinition of value named '" + Name + "' in the '" +
V->getType()->getDescription() + "' type plane!");
// otherwise, since it doesn't exist
} else {
// Insert it.
CurFun.LocalSymtab.insert(V);
}
}
return false;
}