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Remove some dead code. ctor evaluation subsumes empty ctor elim

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23453 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-26 20:38:20 +00:00
parent a22fdb0a37
commit ff0c1ef9eb
1 changed files with 0 additions and 12 deletions
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12
lib/Transforms/IPO/GlobalOpt.cpp
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@ -45,7 +45,6 @@ namespace {
"Number of global vars shrunk to booleans");
Statistic<> NumFastCallFns("globalopt",
"Number of functions converted to fastcc");
Statistic<> NumEmptyCtor ("globalopt", "Number of empty ctors removed");
Statistic<> NumCtorsEvaluated("globalopt","Number of static ctors evaluated");
struct GlobalOpt : public ModulePass {
@ -926,7 +925,6 @@ bool GlobalOpt::ProcessInternalGlobal(GlobalVariable *GV,
Module::global_iterator &GVI) {
std::set<PHINode*> PHIUsers;
GlobalStatus GS;
PHIUsers.clear();
GV->removeDeadConstantUsers();
if (GV->use_empty()) {
@ -1552,16 +1550,6 @@ bool GlobalOpt::OptimizeGlobalCtorsList(GlobalVariable *&GCL) {
++NumCtorsEvaluated;
continue;
}
// If the function is empty, just remove it from the ctor list.
if (isa<ReturnInst>(F->begin()->getTerminator()) &&
&F->begin()->front() == F->begin()->getTerminator()) {
Ctors.erase(Ctors.begin()+i);
MadeChange = true;
--i;
++NumEmptyCtor;
continue;
}
}
if (!MadeChange) return false;