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PartialExecuter: Handle cheerp_typed_ptrcast #345

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Merged
yuri91 merged 1 commit into from
Jan 23, 2026
Merged

PartialExecuter: Handle cheerp_typed_ptrcast #345

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20 changes: 20 additions & 0 deletions llvm/lib/CheerpWriter/PartialExecuter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -485,6 +485,9 @@ class PartialInterpreter : public llvm::Interpreter {
if (!calledFunc)
return true;

if (calledFunc->getIntrinsicID() == Intrinsic::cheerp_typed_ptrcast)
return false;

if (isAlreadyInCallStack(calledFunc))
return true;

Expand Down Expand Up @@ -1744,7 +1747,24 @@ void PartialInterpreter::visitOuter(FunctionData& data, llvm::Instruction& I)

//Iff it's a call, set up the next stack frame
if (CallInst* CI = dyn_cast<CallInst>(&I))
{
const Function* calledFunc = dyn_cast_or_null<Function>(cast<CallInst>(I).getCalledFunction());
if (calledFunc->getIntrinsicID() == Intrinsic::cheerp_typed_ptrcast)
{
Value* srcPtr = CI->getArgOperand(0);
BitMask strongBits = getBitMask(srcPtr);
GlobalVariable* ptrBase = getPointerBase(srcPtr);
if (isValueComputed(srcPtr))
{
GenericValue GV = getOperandValue(srcPtr);
assignToMaps(&I, strongBits, GV, ptrBase);
}
else
assignToMaps(&I, strongBits, ptrBase);
return;
}
forwardArgumentsToNextFrame(*CI);
}

//Dispatch to the Interpreter's visitor for the given Instructon
Interpreter::visit(I);
Expand Down
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