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Fix/strengthen verification of llvm.dbg.declare 

llvm-svn: 93990
This commit is contained in:
Victor Hernandez 2010-01-20 06:57:02 +00:00
parent f2462407ee
commit 6c50c06e70
1 changed files with 9 additions and 4 deletions
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13
llvm/lib/VMCore/Verifier.cpp
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@ -1581,7 +1581,7 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
// If the intrinsic takes MDNode arguments, verify that they are either global
// or are local to *this* function.
for (unsigned i = 0, e = CI.getNumOperands(); i != e; ++i)
for (unsigned i = 1, e = CI.getNumOperands(); i != e; ++i)
if (MDNode *MD = dyn_cast<MDNode>(CI.getOperand(i))) {
if (!MD->isFunctionLocal()) continue;
SmallPtrSet<MDNode *, 32> Visited;
@ -1591,12 +1591,17 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
switch (ID) {
default:
break;
case Intrinsic::dbg_declare: // llvm.dbg.declare
if (MDNode *MD = dyn_cast<MDNode>(CI.getOperand(1)))
case Intrinsic::dbg_declare: { // llvm.dbg.declare
Assert1(CI.getOperand(1) && isa<MDNode>(CI.getOperand(1)),
"invalid llvm.dbg.declare intrinsic call", &CI);
MDNode *MD = cast<MDNode>(CI.getOperand(1));
Assert1(MD->getNumOperands() == 1,
"invalid llvm.dbg.declare intrinsic call", &CI);
if (MD->getOperand(0))
if (Constant *C = dyn_cast<Constant>(MD->getOperand(0)))
Assert1(C && !isa<ConstantPointerNull>(C),
"invalid llvm.dbg.declare intrinsic call", &CI);
break;
} break;
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset: