void CodeGen::ThrowIfOverflow(llvm::Value *overflow) const {
PELOTON_ASSERT(overflow->getType() == BoolType());
// Get the overflow basic block for the currently generating function
auto *func = code_context_.GetCurrentFunction();
auto *overflow_bb = func->GetOverflowBB();
// Construct a new block that we jump if there *isn't* an overflow
llvm::BasicBlock *no_overflow_bb =
llvm::BasicBlock::Create(GetContext(), "cont", func->GetFunction());
// Create a branch that goes to the overflow BB if an overflow exists
auto &builder = GetBuilder();
builder.CreateCondBr(overflow, overflow_bb, no_overflow_bb);
// Start insertion in the block
builder.SetInsertPoint(no_overflow_bb);
}
void CodeGen::ThrowIfDivideByZero(llvm::Value *divide_by_zero) const {
PELOTON_ASSERT(divide_by_zero->getType() == BoolType());
// Get the divide-by-zero basic block for the currently generating function
auto *func = code_context_.GetCurrentFunction();
auto *div0_bb = func->GetDivideByZeroBB();
// Construct a new block that we jump if there *isn't* a divide-by-zero
llvm::BasicBlock *no_div0_bb =
llvm::BasicBlock::Create(GetContext(), "cont", func->GetFunction());
// Create a branch that goes to the divide-by-zero BB if an error exists
auto &builder = GetBuilder();
builder.CreateCondBr(divide_by_zero, div0_bb, no_div0_bb);
// Start insertion in the block
builder.SetInsertPoint(no_div0_bb);
}
Value BoolValue(bool b){return Value( BoolType(),1,b);}
