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bug 122:

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- Replace ConstantPointerRef usage with GlobalValue usage


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14953 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2004-07-18 00:44:37 +00:00
parent 593eb95228
commit 518310cb0d
19 changed files with 54 additions and 78 deletions
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10
lib/Transforms/IPO/FunctionResolution.cpp
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@@ -101,8 +101,7 @@ static bool ResolveFunctions(Module &M, std::vector<GlobalValue*> &Globals,
if (!Old->use_empty()) { // Avoid making the CPR unless we really need it
Value *Replacement = Concrete;
if (Concrete->getType() != Old->getType())
Replacement = ConstantExpr::getCast(ConstantPointerRef::get(Concrete),
Old->getType());
Replacement = ConstantExpr::getCast(Concrete,Old->getType());
NumResolved += Old->use_size();
Old->replaceAllUsesWith(Replacement);
}
@@ -118,11 +117,10 @@ static bool ResolveGlobalVariables(Module &M,
std::vector<GlobalValue*> &Globals,
GlobalVariable *Concrete) {
bool Changed = false;
Constant *CCPR = ConstantPointerRef::get(Concrete);
for (unsigned i = 0; i != Globals.size(); ++i)
if (Globals[i] != Concrete) {
Constant *Cast = ConstantExpr::getCast(CCPR, Globals[i]->getType());
Constant *Cast = ConstantExpr::getCast(Concrete, Globals[i]->getType());
Globals[i]->replaceAllUsesWith(Cast);
// Since there are no uses of Old anymore, remove it from the module.
@@ -138,8 +136,8 @@ static bool ResolveGlobalVariables(Module &M,
static bool CallersAllIgnoreReturnValue(Function &F) {
if (F.getReturnType() == Type::VoidTy) return true;
for (Value::use_iterator I = F.use_begin(), E = F.use_end(); I != E; ++I) {
if (ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(*I)) {
for (Value::use_iterator I = CPR->use_begin(), E = CPR->use_end();
if (GlobalValue *GV = dyn_cast<GlobalValue>(*I)) {
for (Value::use_iterator I = GV->use_begin(), E = GV->use_end();
I != E; ++I) {
CallSite CS = CallSite::get(*I);
if (!CS.getInstruction() || !CS.getInstruction()->use_empty())