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Tighten up error checking of args.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34493 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2007-02-22 16:10:05 +00:00
parent 735b6f8cc3
commit cbfdb7b871
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) { if (MMI) {
// Inform the MachineModuleInfo of the personality for this landing pad. // Inform the MachineModuleInfo of the personality for this landing pad.
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(2))) { ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(2));
if (CE->getOpcode() == Instruction::BitCast) { assert(CE && CE->getOpcode() == Instruction::BitCast &&
MMI->addPersonality(CurMBB, isa<Function>(CE->getOperand(0)) &&
cast<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 // Gather all the type infos for this landing pad and pass them along to
// MachineModuleInfo. // MachineModuleInfo.
std::vector<GlobalVariable *> TyInfo; std::vector<GlobalVariable *> TyInfo;
for (unsigned i = 3, N = I.getNumOperands(); i < N; ++i) { for (unsigned i = 3, N = I.getNumOperands(); i < N; ++i) {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(i))) { ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(i));
if (CE->getOpcode() == Instruction::BitCast) { if (CE && CE->getOpcode() == Instruction::BitCast &&
TyInfo.push_back(cast<GlobalVariable>(CE->getOperand(0))); isa<GlobalVariable>(CE->getOperand(0))) {
continue; 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); MMI->addCatchTypeInfo(CurMBB, TyInfo);
@ -2149,10 +2150,15 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
if (MMI) { if (MMI) {
// Find the type id for the given typeinfo. // Find the type id for the given typeinfo.
GlobalVariable *GV = NULL; GlobalVariable *GV = NULL;
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(1))) { ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(1));
if (CE->getOpcode() == Instruction::BitCast) { if (CE && CE->getOpcode() == Instruction::BitCast &&
GV = cast<GlobalVariable>(CE->getOperand(0)); 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); unsigned TypeID = MMI->getTypeIDFor(GV);