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Update SetVector to rely on the underlying set's insert to return a pair<iterator, bool>

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This is to be consistent with StringSet and ultimately with the standard
library's associative container insert function.

This lead to updating SmallSet::insert to return pair<iterator, bool>,
and then to update SmallPtrSet::insert to return pair<iterator, bool>,
and then to update all the existing users of those functions...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222334 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-11-19 07:49:26 +00:00
parent 0e8675a621
commit 5401ba7099
107 changed files with 255 additions and 228 deletions
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lib/Transforms/IPO/GlobalDCE.cpp
+2 -2
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@@ -185,7 +185,7 @@ bool GlobalDCE::runOnModule(Module &M) {
/// recursively mark anything that it uses as also needed.
void GlobalDCE::GlobalIsNeeded(GlobalValue *G) {
// If the global is already in the set, no need to reprocess it.
if (!AliveGlobals.insert(G))
if (!AliveGlobals.insert(G).second)
return;
Module *M = G->getParent();
@@ -238,7 +238,7 @@ void GlobalDCE::MarkUsedGlobalsAsNeeded(Constant *C) {
for (User::op_iterator I = C->op_begin(), E = C->op_end(); I != E; ++I) {
// If we've already processed this constant there's no need to do it again.
Constant *Op = dyn_cast<Constant>(*I);
if (Op && SeenConstants.insert(Op))
if (Op && SeenConstants.insert(Op).second)
MarkUsedGlobalsAsNeeded(Op);
}
}