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Allow the use of functions as typeinfo in landingpad clauses

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This is one step towards supporting SEH filter functions in LLVM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221954 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2014-11-14 00:35:50 +00:00
parent 0dfb75c92a
commit 98c86d76df
9 changed files with 82 additions and 28 deletions
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lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+4 -4
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@@ -483,7 +483,7 @@ void llvm::AddCatchInfo(const CallInst &I, MachineModuleInfo *MMI,
// Gather all the type infos for this landing pad and pass them along to
// MachineModuleInfo.
std::vector<const GlobalVariable *> TyInfo;
std::vector<const GlobalValue *> TyInfo;
unsigned N = I.getNumArgOperands();
for (unsigned i = N - 1; i > 1; --i) {
@@ -541,14 +541,14 @@ void llvm::AddLandingPadInfo(const LandingPadInst &I, MachineModuleInfo &MMI,
Value *Val = I.getClause(i - 1);
if (I.isCatch(i - 1)) {
MMI.addCatchTypeInfo(MBB,
dyn_cast<GlobalVariable>(Val->stripPointerCasts()));
dyn_cast<GlobalValue>(Val->stripPointerCasts()));
} else {
// Add filters in a list.
Constant *CVal = cast<Constant>(Val);
SmallVector<const GlobalVariable*, 4> FilterList;
SmallVector<const GlobalValue*, 4> FilterList;
for (User::op_iterator
II = CVal->op_begin(), IE = CVal->op_end(); II != IE; ++II)
FilterList.push_back(cast<GlobalVariable>((*II)->stripPointerCasts()));
FilterList.push_back(cast<GlobalValue>((*II)->stripPointerCasts()));
MMI.addFilterTypeInfo(MBB, FilterList);
}