cache result of operator*

llvm-svn: 107979
This commit is contained in:
Gabor Greif 2010-07-09 16:01:21 +00:00
parent 1277447002
commit 1674456c37

View File

@ -253,17 +253,18 @@ void BitcodeReaderValueList::ResolveConstantForwardRefs() {
// at once.
while (!Placeholder->use_empty()) {
Value::use_iterator UI = Placeholder->use_begin();
User *U = *UI;
// If the using object isn't uniqued, just update the operands. This
// handles instructions and initializers for global variables.
if (!isa<Constant>(*UI) || isa<GlobalValue>(*UI)) {
if (!isa<Constant>(U) || isa<GlobalValue>(U)) {
UI.getUse().set(RealVal);
continue;
}
// Otherwise, we have a constant that uses the placeholder. Replace that
// constant with a new constant that has *all* placeholder uses updated.
Constant *UserC = cast<Constant>(*UI);
Constant *UserC = cast<Constant>(U);
for (User::op_iterator I = UserC->op_begin(), E = UserC->op_end();
I != E; ++I) {
Value *NewOp;