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fix documentation comments; NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@280489 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjay Patel 2016-09-02 15:43:25 +00:00
parent 74f53f3812
commit 7fb6e6b55d
2 changed files with 11 additions and 13 deletions
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19
include/llvm/IR/Instructions.h
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@ -2160,19 +2160,22 @@ public:
return cast<Constant>(getOperand(2));
}
/// Return the index from the shuffle mask for the specified
/// output result. This is either -1 if the element is undef or a number less
/// than 2*numelements.
static int getMaskValue(Constant *Mask, unsigned i);
/// Return the shuffle mask value for the specified element of the mask.
/// Return -1 if the element is undef.
static int getMaskValue(Constant *Mask, unsigned Elt);
int getMaskValue(unsigned i) const {
return getMaskValue(getMask(), i);
/// Return the shuffle mask value of this instruction for the given element
/// index. Return -1 if the element is undef.
int getMaskValue(unsigned Elt) const {
return getMaskValue(getMask(), Elt);
}
/// Return the full mask for this instruction, where each
/// element is the element number and undef's are returned as -1.
/// Convert the input shuffle mask operand to a vector of integers. Undefined
/// elements of the mask are returned as -1.
static void getShuffleMask(Constant *Mask, SmallVectorImpl<int> &Result);
/// Return the mask for this instruction as a vector of integers. Undefined
/// elements of the mask are returned as -1.
void getShuffleMask(SmallVectorImpl<int> &Result) const {
return getShuffleMask(getMask(), Result);
}

5
lib/IR/Instructions.cpp
View File

@ -1908,9 +1908,6 @@ bool ShuffleVectorInst::isValidOperands(const Value *V1, const Value *V2,
return false;
}
/// getMaskValue - Return the index from the shuffle mask for the specified
/// output result. This is either -1 if the element is undef or a number less
/// than 2*numelements.
int ShuffleVectorInst::getMaskValue(Constant *Mask, unsigned i) {
assert(i < Mask->getType()->getVectorNumElements() && "Index out of range");
if (ConstantDataSequential *CDS =dyn_cast<ConstantDataSequential>(Mask))
@ -1921,8 +1918,6 @@ int ShuffleVectorInst::getMaskValue(Constant *Mask, unsigned i) {
return cast<ConstantInt>(C)->getZExtValue();
}
/// getShuffleMask - Return the full mask for this instruction, where each
/// element is the element number and undef's are returned as -1.
void ShuffleVectorInst::getShuffleMask(Constant *Mask,
SmallVectorImpl<int> &Result) {
unsigned NumElts = Mask->getType()->getVectorNumElements();