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[Constants] Use APInt::isNullValue/isOneValue/uge to simplify some code and take advantage of APInt optimizations. NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304855 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2017-06-07 00:58:02 +00:00
parent 9082d12000
commit c68553cb7f
2 changed files with 4 additions and 4 deletions
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6
include/llvm/IR/Constants.h
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@ -194,7 +194,7 @@ public:
/// common code. It also correctly performs the comparison without the
/// potential for an assertion from getZExtValue().
bool isZero() const {
return Val == 0;
return Val.isNullValue();
}
/// This is just a convenience method to make client code smaller for a
@ -202,7 +202,7 @@ public:
/// potential for an assertion from getZExtValue().
/// @brief Determine if the value is one.
bool isOne() const {
return Val == 1;
return Val.isOneValue();
}
/// This function will return true iff every bit in this constant is set
@ -243,7 +243,7 @@ public:
/// @returns true iff this constant is greater or equal to the given number.
/// @brief Determine if the value is greater or equal to the given number.
bool uge(uint64_t Num) const {
return Val.getActiveBits() > 64 || Val.getZExtValue() >= Num;
return Val.uge(Num);
}
/// getLimitedValue - If the value is smaller than the specified limit,

2
lib/IR/Constants.cpp
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@ -127,7 +127,7 @@ bool Constant::isOneValue() const {
// Check for FP which are bitcasted from 1 integers
if (const ConstantFP *CFP = dyn_cast<ConstantFP>(this))
return CFP->getValueAPF().bitcastToAPInt() == 1;
return CFP->getValueAPF().bitcastToAPInt().isOneValue();
// Check for constant vectors which are splats of 1 values.
if (const ConstantVector *CV = dyn_cast<ConstantVector>(this))