// Threshold to use when optsize is specified (and there is no -inline-limit).
const int OptSizeThreshold = 75;
-Inliner::Inliner(char &ID)
- : CallGraphSCCPass(ID), InlineThreshold(InlineLimit), InsertLifetime(true) {}
+Inliner::Inliner(char &ID)
+ : CallGraphSCCPass(ID), InlineThreshold(InlineLimit), InsertLifetime(true) {
+}
Inliner::Inliner(char &ID, int Threshold, bool InsertLifetime)
- : CallGraphSCCPass(ID), InlineThreshold(InlineLimit.getNumOccurrences() > 0 ?
- InlineLimit : Threshold),
- InsertLifetime(InsertLifetime) {}
+ : CallGraphSCCPass(ID),
+ InlineThreshold(InlineLimit.getNumOccurrences() > 0 ? InlineLimit
+ : Threshold),
+ InsertLifetime(InsertLifetime) {}
/// For this class, we declare that we require and preserve the call graph.
/// If the derived class implements this method, it should
typedef DenseMap<ArrayType*, std::vector<AllocaInst*> >
InlinedArrayAllocasTy;
-/// \brief If the inlined function had a higher stack protection level than the
-/// calling function, then bump up the caller's stack protection level.
-static void AdjustCallerSSPLevel(Function *Caller, Function *Callee) {
- // If upgrading the SSP attribute, clear out the old SSP Attributes first.
- // Having multiple SSP attributes doesn't actually hurt, but it adds useless
- // clutter to the IR.
- AttrBuilder B;
- B.addAttribute(Attribute::StackProtect)
- .addAttribute(Attribute::StackProtectStrong)
- .addAttribute(Attribute::StackProtectReq);
- AttributeSet OldSSPAttr = AttributeSet::get(Caller->getContext(),
- AttributeSet::FunctionIndex,
- B);
-
- if (Callee->hasFnAttribute(Attribute::SafeStack)) {
- Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
- Caller->addFnAttr(Attribute::SafeStack);
- } else if (Callee->hasFnAttribute(Attribute::StackProtectReq) &&
- !Caller->hasFnAttribute(Attribute::SafeStack)) {
- Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
- Caller->addFnAttr(Attribute::StackProtectReq);
- } else if (Callee->hasFnAttribute(Attribute::StackProtectStrong) &&
- !Caller->hasFnAttribute(Attribute::SafeStack) &&
- !Caller->hasFnAttribute(Attribute::StackProtectReq)) {
- Caller->removeAttributes(AttributeSet::FunctionIndex, OldSSPAttr);
- Caller->addFnAttr(Attribute::StackProtectStrong);
- } else if (Callee->hasFnAttribute(Attribute::StackProtect) &&
- !Caller->hasFnAttribute(Attribute::SafeStack) &&
- !Caller->hasFnAttribute(Attribute::StackProtectReq) &&
- !Caller->hasFnAttribute(Attribute::StackProtectStrong))
- Caller->addFnAttr(Attribute::StackProtect);
-}
-
/// If it is possible to inline the specified call site,
/// do so and update the CallGraph for this operation.
///
if (!InlineFunction(CS, IFI, &AAR, InsertLifetime))
return false;
- AdjustCallerSSPLevel(Caller, Callee);
+ AttributeFuncs::mergeAttributesForInlining(*Caller, *Callee);
// Look at all of the allocas that we inlined through this call site. If we
// have already inlined other allocas through other calls into this function,
bool Inliner::runOnSCC(CallGraphSCC &SCC) {
CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
- AssumptionCacheTracker *ACT = &getAnalysis<AssumptionCacheTracker>();
+ ACT = &getAnalysis<AssumptionCacheTracker>();
auto &TLI = getAnalysis<TargetLibraryInfoWrapperPass>().getTLI();
SmallPtrSet<Function*, 8> SCCFunctions;