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Handle InvokeInst in EvaluateBlock. Don't try to support exceptions, it's just

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that no optz'ns have run yet to convert invokes to calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150326 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2012-02-12 05:09:35 +00:00
parent 6f160d3d78
commit 132bd9ce56
1 changed files with 14 additions and 9 deletions
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23
lib/Transforms/IPO/GlobalOpt.cpp
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@ -2403,18 +2403,19 @@ static bool EvaluateBlock(BasicBlock::iterator CurInst, BasicBlock *&NextBB,
UndefValue::get(Ty),
AI->getName()));
InstResult = AllocaTmps.back();
} else if (CallInst *CI = dyn_cast<CallInst>(CurInst)) {
} else if (isa<CallInst>(CurInst) || isa<InvokeInst>(CurInst)) {
CallSite CS(CurInst);
// Debug info can safely be ignored here.
if (isa<DbgInfoIntrinsic>(CI)) {
if (isa<DbgInfoIntrinsic>(CS.getInstruction())) {
++CurInst;
continue;
}
// Cannot handle inline asm.
if (isa<InlineAsm>(CI->getCalledValue())) return false;
if (isa<InlineAsm>(CS.getCalledValue())) return false;
if (MemSetInst *MSI = dyn_cast<MemSetInst>(CI)) {
if (MemSetInst *MSI = dyn_cast<MemSetInst>(CS.getInstruction())) {
if (MSI->isVolatile()) return false;
Constant *Ptr = getVal(Values, MSI->getDest());
Constant *Val = getVal(Values, MSI->getValue());
@ -2430,13 +2431,12 @@ static bool EvaluateBlock(BasicBlock::iterator CurInst, BasicBlock *&NextBB,
// Resolve function pointers.
Function *Callee = dyn_cast<Function>(getVal(Values,
CI->getCalledValue()));
if (!Callee) return false; // Cannot resolve.
CS.getCalledValue()));
if (!Callee || Callee->mayBeOverridden())
return false; // Cannot resolve.
SmallVector<Constant*, 8> Formals;
CallSite CS(CI);
for (User::op_iterator i = CS.arg_begin(), e = CS.arg_end();
i != e; ++i)
for (User::op_iterator i = CS.arg_begin(), e = CS.arg_end(); i != e; ++i)
Formals.push_back(getVal(Values, *i));
if (Callee->isDeclaration()) {
@ -2457,6 +2457,11 @@ static bool EvaluateBlock(BasicBlock::iterator CurInst, BasicBlock *&NextBB,
TLI))
return false;
InstResult = RetVal;
if (InvokeInst *II = dyn_cast<InvokeInst>(CurInst)) {
NextBB = II->getNormalDest();
return true;
}
}
} else if (isa<TerminatorInst>(CurInst)) {
if (BranchInst *BI = dyn_cast<BranchInst>(CurInst)) {