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Rename ComputeMaskedBits to computeKnownBits. "Masked" has been

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inappropriate since it lost its Mask parameter in r154011.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208811 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2014-05-14 21:14:37 +00:00
parent cd237ed585
commit 6b543713a2
44 changed files with 311 additions and 313 deletions
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13
include/llvm/Analysis/ValueTracking.h
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@@ -27,21 +27,20 @@ namespace llvm {
class MDNode;
class TargetLibraryInfo;
/// ComputeMaskedBits - Determine which bits of V are
/// known to be either zero or one and return them in the KnownZero/KnownOne
/// bit sets.
/// Determine which bits of V are known to be either zero or one and return
/// them in the KnownZero/KnownOne bit sets.
///
/// This function is defined on values with integer type, values with pointer
/// type (but only if TD is non-null), and vectors of integers. In the case
/// where V is a vector, the known zero and known one values are the
/// same width as the vector element, and the bit is set only if it is true
/// for all of the elements in the vector.
void ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
const DataLayout *TD = nullptr, unsigned Depth = 0);
void computeMaskedBitsLoad(const MDNode &Ranges, APInt &KnownZero);
void computeKnownBits(Value *V, APInt &KnownZero, APInt &KnownOne,
const DataLayout *TD = nullptr, unsigned Depth = 0);
void computeKnownBitsLoad(const MDNode &Ranges, APInt &KnownZero);
/// ComputeSignBit - Determine whether the sign bit is known to be zero or
/// one. Convenience wrapper around ComputeMaskedBits.
/// one. Convenience wrapper around computeKnownBits.
void ComputeSignBit(Value *V, bool &KnownZero, bool &KnownOne,
const DataLayout *TD = nullptr, unsigned Depth = 0);