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fix documentation comments; NFC 

llvm-svn: 275021
This commit is contained in:
Sanjay Patel 2016-07-10 21:02:16 +00:00
parent ccd08fc8c4
commit 9bedcdb5f5
2 changed files with 13 additions and 21 deletions
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20
llvm/include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -66,24 +66,24 @@ struct SDVTList {
namespace ISD {
/// Node predicates
/// Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are ~0 or undef.
/// Return true if the specified node is a BUILD_VECTOR where all of the
/// elements are ~0 or undef.
bool isBuildVectorAllOnes(const SDNode *N);
/// Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are 0 or undef.
/// Return true if the specified node is a BUILD_VECTOR where all of the
/// elements are 0 or undef.
bool isBuildVectorAllZeros(const SDNode *N);
/// \brief Return true if the specified node is a BUILD_VECTOR node of
/// all ConstantSDNode or undef.
/// Return true if the specified node is a BUILD_VECTOR node of all
/// ConstantSDNode or undef.
bool isBuildVectorOfConstantSDNodes(const SDNode *N);
/// \brief Return true if the specified node is a BUILD_VECTOR node of
/// all ConstantFPSDNode or undef.
/// Return true if the specified node is a BUILD_VECTOR node of all
/// ConstantFPSDNode or undef.
bool isBuildVectorOfConstantFPSDNodes(const SDNode *N);
/// Return true if the node has at least one operand
/// and all operands of the specified node are ISD::UNDEF.
/// Return true if the node has at least one operand and all operands of the
/// specified node are ISD::UNDEF.
bool allOperandsUndef(const SDNode *N);
} // end llvm:ISD namespace

14
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -93,8 +93,9 @@ bool ConstantFPSDNode::isValueValidForType(EVT VT,
// ISD Namespace
//===----------------------------------------------------------------------===//
/// isBuildVectorAllOnes - Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are ~0 or undef.
// FIXME: AllOnes and AllZeros duplicate a lot of code. Could these be
// specializations of the more general isConstantSplatVector()?
bool ISD::isBuildVectorAllOnes(const SDNode *N) {
// Look through a bit convert.
while (N->getOpcode() == ISD::BITCAST)
@ -139,9 +140,6 @@ bool ISD::isBuildVectorAllOnes(const SDNode *N) {
return true;
}
/// isBuildVectorAllZeros - Return true if the specified node is a
/// BUILD_VECTOR where all of the elements are 0 or undef.
bool ISD::isBuildVectorAllZeros(const SDNode *N) {
// Look through a bit convert.
while (N->getOpcode() == ISD::BITCAST)
@ -179,8 +177,6 @@ bool ISD::isBuildVectorAllZeros(const SDNode *N) {
return true;
}
/// \brief Return true if the specified node is a BUILD_VECTOR node of
/// all ConstantSDNode or undef.
bool ISD::isBuildVectorOfConstantSDNodes(const SDNode *N) {
if (N->getOpcode() != ISD::BUILD_VECTOR)
return false;
@ -194,8 +190,6 @@ bool ISD::isBuildVectorOfConstantSDNodes(const SDNode *N) {
return true;
}
/// \brief Return true if the specified node is a BUILD_VECTOR node of
/// all ConstantFPSDNode or undef.
bool ISD::isBuildVectorOfConstantFPSDNodes(const SDNode *N) {
if (N->getOpcode() != ISD::BUILD_VECTOR)
return false;
@ -209,8 +203,6 @@ bool ISD::isBuildVectorOfConstantFPSDNodes(const SDNode *N) {
return true;
}
/// allOperandsUndef - Return true if the node has at least one operand
/// and all operands of the specified node are ISD::UNDEF.
bool ISD::allOperandsUndef(const SDNode *N) {
// Return false if the node has no operands.
// This is "logically inconsistent" with the definition of "all" but