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[PM] Remove the (deeply misguided) 'unregister' functionality from the

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pass registry.

This style of registry is somewhat questionable, but it being
non-monotonic is crazy. No one is (or should be) unloading DSOs with
passes and unregistering them here. I've checked with a few folks and
I don't know of anyone using this functionality or any important use
case where it is necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219096 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-10-06 00:13:25 +00:00
parent 24a19341bb
commit 891fb0b4e5
2 changed files with 0 additions and 14 deletions
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4
include/llvm/PassRegistry.h
View File

@ -78,10 +78,6 @@ public:
/// registry. Required in order to use the pass with a PassManager.
void registerPass(const PassInfo &PI, bool ShouldFree = false);
/// registerPass - Unregister a pass (by means of its PassInfo) with the
/// registry.
void unregisterPass(const PassInfo &PI);
/// registerAnalysisGroup - Register an analysis group (or a pass implementing
// an analysis group) with the registry. Like registerPass, this is required
// in order for a PassManager to be able to use this group/pass.

10
lib/IR/PassRegistry.cpp
View File

@ -70,16 +70,6 @@ void PassRegistry::registerPass(const PassInfo &PI, bool ShouldFree) {
ToFree.push_back(std::unique_ptr<const PassInfo>(&PI));
}
void PassRegistry::unregisterPass(const PassInfo &PI) {
sys::SmartScopedWriter<true> Guard(Lock);
MapType::iterator I = PassInfoMap.find(PI.getTypeInfo());
assert(I != PassInfoMap.end() && "Pass registered but not in map!");
// Remove pass from the map.
PassInfoMap.erase(I);
PassInfoStringMap.erase(PI.getPassArgument());
}
void PassRegistry::enumerateWith(PassRegistrationListener *L) {
sys::SmartScopedReader<true> Guard(Lock);
for (auto PassInfoPair : PassInfoMap)