6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-19 19:29:31 +00:00
Code Issues Projects Releases Wiki Activity

Fix infinite loop due to iteration

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16864 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-10-09 03:32:52 +00:00
parent a052f8297a
commit 930f475604
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/Transforms/IPO/GlobalOpt.cpp
View File

@ -374,16 +374,22 @@ static bool ProcessInternalGlobal(GlobalVariable *GV, Module::giterator &GVI) {
// Delete it now.
if (!GS.isLoaded) {
DEBUG(std::cerr << "GLOBAL NEVER LOADED: " << *GV);
unsigned NumUsers = GV->use_size();
// Delete any stores we can find to the global. We may not be able to
// make it completely dead though.
CleanupConstantGlobalUsers(GV, GV->getInitializer());
// Did we delete any stores?
bool Changed = NumUsers != GV->use_size();
// If the global is dead now, delete it.
if (GV->use_empty()) {
GV->getParent()->getGlobalList().erase(GV);
++NumDeleted;
Changed = true;
}
return true;
return Changed;
} else if (GS.StoredType <= GlobalStatus::isInitializerStored) {
DEBUG(std::cerr << "MARKING CONSTANT: " << *GV);