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A value of 64 or fewer bits is valid if the ConstantInt has more then 64 bits.

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llvm-svn: 33942
This commit is contained in:
Reid Spencer 2007-02-05 23:47:56 +00:00
parent 598f6d293b
commit 6da19310e3
1 changed files with 2 additions and 4 deletions
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6
lib/VMCore/Constants.cpp
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@ -554,10 +554,9 @@ getWithOperands(const std::vector<Constant*> &Ops) const {
bool ConstantInt::isValueValidForType(const Type *Ty, uint64_t Val) {
unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
assert(NumBits <= 64 && "Not implemented: integers > 64-bits");
if (Ty == Type::Int1Ty)
return Val == 0 || Val == 1;
if (NumBits == 64)
if (NumBits >= 64)
return true; // always true, has to fit in largest type
uint64_t Max = (1ll << NumBits) - 1;
return Val <= Max;
@ -565,10 +564,9 @@ bool ConstantInt::isValueValidForType(const Type *Ty, uint64_t Val) {
bool ConstantInt::isValueValidForType(const Type *Ty, int64_t Val) {
unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth(); // assert okay
assert(NumBits <= 64 && "Not implemented: integers > 64-bits");
if (Ty == Type::Int1Ty)
return Val == 0 || Val == 1 || Val == -1;
if (NumBits == 64)
if (NumBits >= 64)
return true; // always true, has to fit in largest type
int64_t Min = -(1ll << (NumBits-1));
int64_t Max = (1ll << (NumBits-1)) - 1;