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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127984 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-03-21 02:26:01 +00:00
parent ddfa02ba24
commit 35ee1c921c
1 changed files with 2 additions and 2 deletions
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4
lib/Transforms/IPO/GlobalOpt.cpp
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@ -2726,7 +2726,7 @@ static Function *FindCXAAtExit(Module &M) {
static bool cxxDtorIsEmpty(const Function &Fn, static bool cxxDtorIsEmpty(const Function &Fn,
SmallPtrSet<const Function *, 8> &CalledFunctions) { SmallPtrSet<const Function *, 8> &CalledFunctions) {
// FIXME: We could eliminate C++ destructors if they're readonly/readnone and // FIXME: We could eliminate C++ destructors if they're readonly/readnone and
// unwind, but that doesn't seem worth doing. // nounwind, but that doesn't seem worth doing.
if (Fn.isDeclaration()) if (Fn.isDeclaration())
return false; return false;
@ -2768,7 +2768,7 @@ bool GlobalOpt::OptimizeEmptyGlobalCXXDtors(Function *CXAAtExitFn) {
/// This registration, e.g. __cxa_atexit(f,p,d), is intended to cause the /// This registration, e.g. __cxa_atexit(f,p,d), is intended to cause the
/// call f(p) when DSO d is unloaded, before all such termination calls /// call f(p) when DSO d is unloaded, before all such termination calls
/// registered before this one. It returns zero if registration is /// registered before this one. It returns zero if registration is
/// successful, nonzero on failure. /// successful, nonzero on failure.
// This pass will look for calls to __cxa_atexit where the function is trivial // This pass will look for calls to __cxa_atexit where the function is trivial
// and remove them. // and remove them.