struct {
int Min;
int Max;
+ bool isConstrained;
} ImmRange;
llvm::SmallSet<int, 4> ImmSet;
: Flags(0), TiedOperand(-1), ConstraintStr(ConstraintStr.str()),
Name(Name.str()) {
ImmRange.Min = ImmRange.Max = 0;
+ ImmRange.isConstrained = false;
}
const std::string &getConstraintStr() const { return ConstraintStr; }
return (Flags & CI_ImmediateConstant) != 0;
}
bool isValidAsmImmediate(const llvm::APInt &Value) const {
- return (Value.sge(ImmRange.Min) && Value.sle(ImmRange.Max)) ||
- ImmSet.count(Value.getZExtValue()) != 0;
+ if (!ImmSet.empty())
+ return ImmSet.count(Value.getZExtValue()) != 0;
+ return !ImmRange.isConstrained || (Value.sge(ImmRange.Min) && Value.sle(ImmRange.Max));
}
void setIsReadWrite() { Flags |= CI_ReadWrite; }
Flags |= CI_ImmediateConstant;
ImmRange.Min = Min;
ImmRange.Max = Max;
+ ImmRange.isConstrained = true;
}
void setRequiresImmediate(llvm::ArrayRef<int> Exacts) {
Flags |= CI_ImmediateConstant;
}
void setRequiresImmediate() {
Flags |= CI_ImmediateConstant;
- ImmRange.Min = INT_MIN;
- ImmRange.Max = INT_MAX;
}
/// Indicate that this is an input operand that is tied to
void L(int i, int j) {
static const int Invalid1 = 1;
static const int Invalid2 = 42;
+ static const int Invalid3 = 0;
static const int Valid1 = 0xff;
static const int Valid2 = 0xffff;
static const int Valid3 = 0xffffffff;
: "0"(i), "L"(Invalid2)); // expected-error{{value '42' out of range for constraint 'L'}}
__asm__("xorl %0,%2"
: "=r"(i)
+ : "0"(i), "L"(Invalid3)); // expected-error{{value '0' out of range for constraint 'L'}}
+ __asm__("xorl %0,%2"
+ : "=r"(i)
: "0"(i), "L"(Valid1)); // expected-no-error
__asm__("xorl %0,%2"
: "=r"(i)