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Tighten up error checking of args.

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llvm-svn: 34493
This commit is contained in:
Jim Laskey 2007-02-22 16:10:05 +00:00
parent dccc6d3a82
commit f6f24530c0
1 changed files with 23 additions and 17 deletions
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40
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -2104,25 +2104,26 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
if (MMI) {
// Inform the MachineModuleInfo of the personality for this landing pad.
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(2))) {
if (CE->getOpcode() == Instruction::BitCast) {
MMI->addPersonality(CurMBB,
cast<Function>(CE->getOperand(0)));
}
}
ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(2));
assert(CE && CE->getOpcode() == Instruction::BitCast &&
isa<Function>(CE->getOperand(0)) &&
"Personality should be a function");
MMI->addPersonality(CurMBB, cast<Function>(CE->getOperand(0)));
// Gather all the type infos for this landing pad and pass them along to
// MachineModuleInfo.
std::vector<GlobalVariable *> TyInfo;
for (unsigned i = 3, N = I.getNumOperands(); i < N; ++i) {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(i))) {
if (CE->getOpcode() == Instruction::BitCast) {
TyInfo.push_back(cast<GlobalVariable>(CE->getOperand(0)));
continue;
}
ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(i));
if (CE && CE->getOpcode() == Instruction::BitCast &&
isa<GlobalVariable>(CE->getOperand(0))) {
TyInfo.push_back(cast<GlobalVariable>(CE->getOperand(0)));
} else {
ConstantInt *CI = dyn_cast<ConstantInt>(I.getOperand(i));
assert(CI && CI->getZExtValue() == 0 &&
"TypeInfo must be a global variable typeinfo or NULL");
TyInfo.push_back(NULL);
}
TyInfo.push_back(NULL);
}
MMI->addCatchTypeInfo(CurMBB, TyInfo);
@ -2149,10 +2150,15 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
if (MMI) {
// Find the type id for the given typeinfo.
GlobalVariable *GV = NULL;
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(1))) {
if (CE->getOpcode() == Instruction::BitCast) {
GV = cast<GlobalVariable>(CE->getOperand(0));
}
ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(1));
if (CE && CE->getOpcode() == Instruction::BitCast &&
isa<GlobalVariable>(CE->getOperand(0))) {
GV = cast<GlobalVariable>(CE->getOperand(0));
} else {
ConstantInt *CI = dyn_cast<ConstantInt>(I.getOperand(1));
assert(CI && CI->getZExtValue() == 0 &&
"TypeInfo must be a global variable typeinfo or NULL");
GV = NULL;
}
unsigned TypeID = MMI->getTypeIDFor(GV);