APInt swift::constantFoldBinaryWithOverflow(APInt lhs, APInt rhs,
bool &Overflow,
llvm::Intrinsic::ID ID) {
switch (ID) {
default: llvm_unreachable("Invalid case");
case llvm::Intrinsic::sadd_with_overflow:
return lhs.sadd_ov(rhs, Overflow);
case llvm::Intrinsic::uadd_with_overflow:
return lhs.uadd_ov(rhs, Overflow);
case llvm::Intrinsic::ssub_with_overflow:
return lhs.ssub_ov(rhs, Overflow);
case llvm::Intrinsic::usub_with_overflow:
return lhs.usub_ov(rhs, Overflow);
case llvm::Intrinsic::smul_with_overflow:
return lhs.smul_ov(rhs, Overflow);
case llvm::Intrinsic::umul_with_overflow:
return lhs.umul_ov(rhs, Overflow);
}
}
