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Revert 'Fix a typo 'iff' => 'if''. iff is an abreviation of if and only if. See: http://en.wikipedia.org/wiki/If_and_only_if Commit 164767

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164768 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sylvestre Ledru 2012-09-27 10:14:43 +00:00
parent 7e2c793a2b
commit 94c22716d6
84 changed files with 295 additions and 295 deletions
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2
autoconf/m4/libtool.m4 vendored
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@ -6082,7 +6082,7 @@ _LT_EOF
*)
# The compiler driver will combine linker options so we
# cannot just pass the convience library names through
# without $wl, if we do not link with $LD.
# without $wl, iff we do not link with $LD.
# Luckily, gcc supports the same syntax we need for Sun Studio.
# Supported since Solaris 2.6 (maybe 2.5.1?)
case $wlarc in

8
include/llvm/ADT/APFloat.h
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@ -200,7 +200,7 @@ namespace llvm {
/// getNaN - Factory for QNaN values.
///
/// \param Negative - True if the NaN generated should be negative.
/// \param Negative - True iff the NaN generated should be negative.
/// \param type - The unspecified fill bits for creating the NaN, 0 by
/// default. The value is truncated as necessary.
static APFloat getNaN(const fltSemantics &Sem, bool Negative = false,
@ -230,20 +230,20 @@ namespace llvm {
/// getLargest - Returns the largest finite number in the given
/// semantics.
///
/// \param Negative - True if the number should be negative
/// \param Negative - True iff the number should be negative
static APFloat getLargest(const fltSemantics &Sem, bool Negative = false);
/// getSmallest - Returns the smallest (by magnitude) finite number
/// in the given semantics. Might be denormalized, which implies a
/// relative loss of precision.
///
/// \param Negative - True if the number should be negative
/// \param Negative - True iff the number should be negative
static APFloat getSmallest(const fltSemantics &Sem, bool Negative = false);
/// getSmallestNormalized - Returns the smallest (by magnitude)
/// normalized finite number in the given semantics.
///
/// \param Negative - True if the number should be negative
/// \param Negative - True iff the number should be negative
static APFloat getSmallestNormalized(const fltSemantics &Sem,
bool Negative = false);

2
include/llvm/ADT/SetVector.h
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@ -96,7 +96,7 @@ public:
return vector_[n];
}
/// @returns true if the element was inserted into the SetVector.
/// @returns true iff the element was inserted into the SetVector.
/// @brief Insert a new element into the SetVector.
bool insert(const value_type &X) {
bool result = set_.insert(X);

2
include/llvm/ADT/SparseBitVector.h
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@ -763,7 +763,7 @@ public:
return false;
}
// Return true if all bits set in this SparseBitVector are
// Return true iff all bits set in this SparseBitVector are
// also set in RHS.
bool contains(const SparseBitVector<ElementSize> &RHS) const {
SparseBitVector<ElementSize> Result(*this);

4
include/llvm/Analysis/Dominators.h
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@ -346,7 +346,7 @@ public:
DomTreeNodeBase<NodeT> *getRootNode() { return RootNode; }
const DomTreeNodeBase<NodeT> *getRootNode() const { return RootNode; }
/// properlyDominates - Returns true if this dominates N and this != N.
/// properlyDominates - Returns true iff this dominates N and this != N.
/// Note that this is not a constant time operation!
///
bool properlyDominates(const DomTreeNodeBase<NodeT> *A,
@ -372,7 +372,7 @@ public:
return A;
}
/// dominates - Returns true if A dominates B. Note that this is not a
/// dominates - Returns true iff A dominates B. Note that this is not a
/// constant time operation!
///
inline bool dominates(const DomTreeNodeBase<NodeT> *A,

2
include/llvm/Analysis/LibCallSemantics.h
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@ -31,7 +31,7 @@ namespace llvm {
/// pointer is the result of a call to "__error()".
///
/// Locations can also be defined in a constant-sensitive way. For example,
/// it is possible to define a location that returns true if it is passed
/// it is possible to define a location that returns true iff it is passed
/// into the call as a specific argument. This is useful for modeling things
/// like "printf", which can store to memory, but only through pointers passed
/// with a '%n' constraint.

2
include/llvm/Analysis/ScalarEvolution.h
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@ -831,7 +831,7 @@ namespace llvm {
const SCEV *LHS, const SCEV *RHS);
/// SimplifyICmpOperands - Simplify LHS and RHS in a comparison with
/// predicate Pred. Return true if any changes were made. If the
/// predicate Pred. Return true iff any changes were made. If the
/// operands are provably equal or inequal, LHS and RHS are set to
/// the same value and Pred is set to either ICMP_EQ or ICMP_NE.
///

2
include/llvm/Analysis/ScalarEvolutionExpressions.h
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@ -318,7 +318,7 @@ namespace llvm {
/// an expressions A+B*x where A and B are loop invariant values.
bool isAffine() const {
// We know that the start value is invariant. This expression is thus
// affine if the step is also invariant.
// affine iff the step is also invariant.
return getNumOperands() == 2;
}

14
include/llvm/Bitcode/Archive.h
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@ -108,27 +108,27 @@ class ArchiveMember : public ilist_node<ArchiveMember> {
/// @brief Get the data content of the archive member
const char* getData() const { return data; }
/// @returns true if the member is a SVR4 (non-LLVM) symbol table
/// @returns true iff the member is a SVR4 (non-LLVM) symbol table
/// @brief Determine if this member is a SVR4 symbol table.
bool isSVR4SymbolTable() const { return flags&SVR4SymbolTableFlag; }
/// @returns true if the member is a BSD4.4 (non-LLVM) symbol table
/// @returns true iff the member is a BSD4.4 (non-LLVM) symbol table
/// @brief Determine if this member is a BSD4.4 symbol table.
bool isBSD4SymbolTable() const { return flags&BSD4SymbolTableFlag; }
/// @returns true if the archive member is the LLVM symbol table
/// @returns true iff the archive member is the LLVM symbol table
/// @brief Determine if this member is the LLVM symbol table.
bool isLLVMSymbolTable() const { return flags&LLVMSymbolTableFlag; }
/// @returns true if the archive member is the ar(1) string table
/// @returns true iff the archive member is the ar(1) string table
/// @brief Determine if this member is the ar(1) string table.
bool isStringTable() const { return flags&StringTableFlag; }
/// @returns true if the archive member is a bitcode file.
/// @returns true iff the archive member is a bitcode file.
/// @brief Determine if this member is a bitcode file.
bool isBitcode() const { return flags&BitcodeFlag; }
/// @returns true if the file name contains a path (directory) component.
/// @returns true iff the file name contains a path (directory) component.
/// @brief Determine if the member has a path
bool hasPath() const { return flags&HasPathFlag; }
@ -137,7 +137,7 @@ class ArchiveMember : public ilist_node<ArchiveMember> {
/// separator character (/). To avoid this, a "long format" member name is
/// allowed that doesn't have this restriction. This method determines if
/// that "long format" is used for this member.
/// @returns true if the file name uses the long form
/// @returns true iff the file name uses the long form
/// @brief Determine if the member has a long file name
bool hasLongFilename() const { return flags&HasLongFilenameFlag; }

2
include/llvm/CodeGen/FunctionLoweringInfo.h
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@ -58,7 +58,7 @@ public:
MachineFunction *MF;
MachineRegisterInfo *RegInfo;
BranchProbabilityInfo *BPI;
/// CanLowerReturn - true if the function's return value can be lowered to
/// CanLowerReturn - true iff the function's return value can be lowered to
/// registers.
bool CanLowerReturn;

2
include/llvm/CodeGen/ISDOpcodes.h
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@ -340,7 +340,7 @@ namespace ISD {
/// condition code in op #4, a CondCodeSDNode.
SELECT_CC,
/// SetCC operator - This evaluates to a true value if the condition is
/// SetCC operator - This evaluates to a true value iff the condition is
/// true. If the result value type is not i1 then the high bits conform
/// to getBooleanContents. The operands to this are the left and right
/// operands to compare (ops #0, and #1) and the condition code to compare

4
include/llvm/CodeGen/MachineBranchProbabilityInfo.h
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@ -69,7 +69,7 @@ public:
// Return a probability as a fraction between 0 (0% probability) and
// 1 (100% probability), however the value is never equal to 0, and can be 1
// only if SRC block has only one successor.
// only iff SRC block has only one successor.
// NB: This routine's complexity is linear on the number of successors of
// Src. Querying sequentially for each successor's probability is a quadratic
// query pattern.
@ -77,7 +77,7 @@ public:
MachineBasicBlock *Dst) const;
// Print value between 0 (0% probability) and 1 (100% probability),
// however the value is never equal to 0, and can be 1 only if SRC block
// however the value is never equal to 0, and can be 1 only iff SRC block
// has only one successor.
raw_ostream &printEdgeProbability(raw_ostream &OS, MachineBasicBlock *Src,
MachineBasicBlock *Dst) const;

2
include/llvm/CodeGen/SelectionDAG.h
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@ -1021,7 +1021,7 @@ public:
/// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an
/// ISD::OR with a ConstantSDNode that is guaranteed to have the same
/// semantics as an ADD. This handles the equivalence:
/// X|Cst == X+Cst if X&Cst = 0.
/// X|Cst == X+Cst iff X&Cst = 0.
bool isBaseWithConstantOffset(SDValue Op) const;
/// isKnownNeverNan - Test whether the given SDValue is known to never be NaN.

14
include/llvm/Constants.h
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@ -170,17 +170,17 @@ public:
return Val == 1;
}
/// This function will return true if every bit in this constant is set
/// This function will return true iff every bit in this constant is set
/// to true.
/// @returns true if this constant's bits are all set to true.
/// @returns true iff this constant's bits are all set to true.
/// @brief Determine if the value is all ones.
bool isMinusOne() const {
return Val.isAllOnesValue();
}
/// This function will return true if this constant represents the largest
/// This function will return true iff this constant represents the largest
/// value that may be represented by the constant's type.
/// @returns true if this is the largest value that may be represented
/// @returns true iff this is the largest value that may be represented
/// by this type.
/// @brief Determine if the value is maximal.
bool isMaxValue(bool isSigned) const {
@ -190,7 +190,7 @@ public:
return Val.isMaxValue();
}
/// This function will return true if this constant represents the smallest
/// This function will return true iff this constant represents the smallest
/// value that may be represented by this constant's type.
/// @returns true if this is the smallest value that may be represented by
/// this type.
@ -202,10 +202,10 @@ public:
return Val.isMinValue();
}
/// This function will return true if this constant represents a value with
/// This function will return true iff this constant represents a value with
/// active bits bigger than 64 bits or a value greater than the given uint64_t
/// value.
/// @returns true if this constant is greater or equal to the given number.
/// @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;

6
include/llvm/InstrTypes.h
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@ -547,14 +547,14 @@ public:
/// There are several places where we need to know if a cast instruction
/// only deals with integer source and destination types. To simplify that
/// logic, this method is provided.
/// @returns true if the cast has only integral typed operand and dest type.
/// @returns true iff the cast has only integral typed operand and dest type.
/// @brief Determine if this is an integer-only cast.
bool isIntegerCast() const;
/// A lossless cast is one that does not alter the basic value. It implies
/// a no-op cast but is more stringent, preventing things like int->float,
/// long->double, or int->ptr.
/// @returns true if the cast is lossless.
/// @returns true iff the cast is lossless.
/// @brief Determine if this is a lossless cast.
bool isLosslessCast() const;
@ -606,7 +606,7 @@ public:
/// This method can be used to determine if a cast from S to DstTy using
/// Opcode op is valid or not.
/// @returns true if the proposed cast is valid.
/// @returns true iff the proposed cast is valid.
/// @brief Determine if a cast is valid without creating one.
static bool castIsValid(Instruction::CastOps op, Value *S, Type *DstTy);

2
include/llvm/PassAnalysisSupport.h
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@ -94,7 +94,7 @@ public:
void setPreservesAll() { PreservesAll = true; }
bool getPreservesAll() const { return PreservesAll; }
/// setPreservesCFG - This function should be called by the pass, if they do
/// setPreservesCFG - This function should be called by the pass, iff they do
/// not:
///
/// 1. Add or remove basic blocks from the function

4
include/llvm/Support/PathV1.h
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@ -232,7 +232,7 @@ namespace sys {
/// determine if the current value of \p this is a syntactically valid
/// path name for the operating system. The path name does not need to
/// exist, validity is simply syntactical. Empty paths are always invalid.
/// @returns true if the path name is syntactically legal for the
/// @returns true iff the path name is syntactically legal for the
/// host operating system.
/// @brief Determine if a path is syntactically valid or not.
bool isValid() const;
@ -242,7 +242,7 @@ namespace sys {
/// if the file is empty. To get the length of the file itself, Use the
/// PathWithStatus::getFileStatus() method and then the getSize() method
/// on the returned FileStatus object.
/// @returns true if the path is empty.
/// @returns true iff the path is empty.
/// @brief Determines if the path name is empty (invalid).
bool isEmpty() const { return path.empty(); }

12
include/llvm/Support/TimeValue.h
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@ -130,12 +130,12 @@ namespace sys {
}
/// Determine if \p this is less than \p that.
/// @returns True if *this < that.
/// @returns True iff *this < that.
/// @brief True if this < that.
int operator < (const TimeValue &that) const { return that > *this; }
/// Determine if \p this is greather than \p that.
/// @returns True if *this > that.
/// @returns True iff *this > that.
/// @brief True if this > that.
int operator > (const TimeValue &that) const {
if ( this->seconds_ > that.seconds_ ) {
@ -147,12 +147,12 @@ namespace sys {
}
/// Determine if \p this is less than or equal to \p that.
/// @returns True if *this <= that.
/// @returns True iff *this <= that.
/// @brief True if this <= that.
int operator <= (const TimeValue &that) const { return that >= *this; }
/// Determine if \p this is greater than or equal to \p that.
/// @returns True if *this >= that.
/// @returns True iff *this >= that.
int operator >= (const TimeValue &that) const {
if ( this->seconds_ > that.seconds_ ) {
return 1;
@ -163,7 +163,7 @@ namespace sys {
}
/// Determines if two TimeValue objects represent the same moment in time.
/// @returns True if *this == that.
/// @returns True iff *this == that.
int operator == (const TimeValue &that) const {
return (this->seconds_ == that.seconds_) &&
(this->nanos_ == that.nanos_);
@ -171,7 +171,7 @@ namespace sys {
/// Determines if two TimeValue objects represent times that are not the
/// same.
/// @returns True if *this != that.
/// @returns True iff *this != that.
int operator != (const TimeValue &that) const { return !(*this == that); }
/// Adds two TimeValue objects together.

2
include/llvm/Type.h
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@ -398,7 +398,7 @@ public:
private:
/// isSizedDerivedType - Derived types like structures and arrays are sized
/// if all of the members of the type are sized as well. Since asking for
/// iff all of the members of the type are sized as well. Since asking for
/// their size is relatively uncommon, move this operation out of line.
bool isSizedDerivedType() const;
};

2
include/llvm/ValueSymbolTable.h
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@ -70,7 +70,7 @@ public:
/// @brief Lookup a named Value.
Value *lookup(StringRef Name) const { return vmap.lookup(Name); }
/// @returns true if the symbol table is empty
/// @returns true iff the symbol table is empty
/// @brief Determine if the symbol table is empty
inline bool empty() const { return vmap.empty(); }

22
lib/Analysis/InstructionSimplify.cpp
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@ -2004,7 +2004,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
// LHS >u RHS.
case ICmpInst::ICMP_UGT:
case ICmpInst::ICMP_UGE:
// Comparison is true if the LHS <s 0.
// Comparison is true iff the LHS <s 0.
if (MaxRecurse)
if (Value *V = SimplifyICmpInst(ICmpInst::ICMP_SLT, SrcOp,
Constant::getNullValue(SrcTy),
@ -2013,7 +2013,7 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
break;
case ICmpInst::ICMP_ULT:
case ICmpInst::ICMP_ULE:
// Comparison is true if the LHS >=s 0.
// Comparison is true iff the LHS >=s 0.
if (MaxRecurse)
if (Value *V = SimplifyICmpInst(ICmpInst::ICMP_SGE, SrcOp,
Constant::getNullValue(SrcTy),
@ -2171,31 +2171,31 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
// Simplify comparisons involving max/min.
Value *A, *B;
CmpInst::Predicate P = CmpInst::BAD_ICMP_PREDICATE;
CmpInst::Predicate EqP; // Chosen so that "A == max/min(A,B)" if "A EqP B".
CmpInst::Predicate EqP; // Chosen so that "A == max/min(A,B)" iff "A EqP B".
// Signed variants on "max(a,b)>=a -> true".
if (match(LHS, m_SMax(m_Value(A), m_Value(B))) && (A == RHS || B == RHS)) {
if (A != RHS) std::swap(A, B); // smax(A, B) pred A.
EqP = CmpInst::ICMP_SGE; // "A == smax(A, B)" if "A sge B".
EqP = CmpInst::ICMP_SGE; // "A == smax(A, B)" iff "A sge B".
// We analyze this as smax(A, B) pred A.
P = Pred;
} else if (match(RHS, m_SMax(m_Value(A), m_Value(B))) &&
(A == LHS || B == LHS)) {
if (A != LHS) std::swap(A, B); // A pred smax(A, B).
EqP = CmpInst::ICMP_SGE; // "A == smax(A, B)" if "A sge B".
EqP = CmpInst::ICMP_SGE; // "A == smax(A, B)" iff "A sge B".
// We analyze this as smax(A, B) swapped-pred A.
P = CmpInst::getSwappedPredicate(Pred);
} else if (match(LHS, m_SMin(m_Value(A), m_Value(B))) &&
(A == RHS || B == RHS)) {
if (A != RHS) std::swap(A, B); // smin(A, B) pred A.
EqP = CmpInst::ICMP_SLE; // "A == smin(A, B)" if "A sle B".
EqP = CmpInst::ICMP_SLE; // "A == smin(A, B)" iff "A sle B".
// We analyze this as smax(-A, -B) swapped-pred -A.
// Note that we do not need to actually form -A or -B thanks to EqP.
P = CmpInst::getSwappedPredicate(Pred);
} else if (match(RHS, m_SMin(m_Value(A), m_Value(B))) &&
(A == LHS || B == LHS)) {
if (A != LHS) std::swap(A, B); // A pred smin(A, B).
EqP = CmpInst::ICMP_SLE; // "A == smin(A, B)" if "A sle B".
EqP = CmpInst::ICMP_SLE; // "A == smin(A, B)" iff "A sle B".
// We analyze this as smax(-A, -B) pred -A.
// Note that we do not need to actually form -A or -B thanks to EqP.
P = Pred;
@ -2246,26 +2246,26 @@ static Value *SimplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
P = CmpInst::BAD_ICMP_PREDICATE;
if (match(LHS, m_UMax(m_Value(A), m_Value(B))) && (A == RHS || B == RHS)) {
if (A != RHS) std::swap(A, B); // umax(A, B) pred A.
EqP = CmpInst::ICMP_UGE; // "A == umax(A, B)" if "A uge B".
EqP = CmpInst::ICMP_UGE; // "A == umax(A, B)" iff "A uge B".
// We analyze this as umax(A, B) pred A.
P = Pred;
} else if (match(RHS, m_UMax(m_Value(A), m_Value(B))) &&
(A == LHS || B == LHS)) {
if (A != LHS) std::swap(A, B); // A pred umax(A, B).
EqP = CmpInst::ICMP_UGE; // "A == umax(A, B)" if "A uge B".
EqP = CmpInst::ICMP_UGE; // "A == umax(A, B)" iff "A uge B".
// We analyze this as umax(A, B) swapped-pred A.
P = CmpInst::getSwappedPredicate(Pred);
} else if (match(LHS, m_UMin(m_Value(A), m_Value(B))) &&
(A == RHS || B == RHS)) {
if (A != RHS) std::swap(A, B); // umin(A, B) pred A.
EqP = CmpInst::ICMP_ULE; // "A == umin(A, B)" if "A ule B".
EqP = CmpInst::ICMP_ULE; // "A == umin(A, B)" iff "A ule B".
// We analyze this as umax(-A, -B) swapped-pred -A.
// Note that we do not need to actually form -A or -B thanks to EqP.
P = CmpInst::getSwappedPredicate(Pred);
} else if (match(RHS, m_UMin(m_Value(A), m_Value(B))) &&
(A == LHS || B == LHS)) {
if (A != LHS) std::swap(A, B); // A pred umin(A, B).
EqP = CmpInst::ICMP_ULE; // "A == umin(A, B)" if "A ule B".
EqP = CmpInst::ICMP_ULE; // "A == umin(A, B)" iff "A ule B".
// We analyze this as umax(-A, -B) pred -A.
// Note that we do not need to actually form -A or -B thanks to EqP.
P = Pred;

2
lib/Analysis/Interval.cpp
View File

@ -27,7 +27,7 @@ using namespace llvm;
// isLoop - Find out if there is a back edge in this interval...
//
bool Interval::isLoop() const {
// There is a loop in this interval if one of the predecessors of the header
// There is a loop in this interval iff one of the predecessors of the header
// node lives in the interval.
for (::pred_iterator I = ::pred_begin(HeaderNode), E = ::pred_end(HeaderNode);
I != E; ++I)

4
lib/Analysis/LazyValueInfo.cpp
View File

@ -1109,14 +1109,14 @@ LazyValueInfo::getPredicateOnEdge(unsigned Pred, Value *V, Constant *C,
// If this is an equality comparison, we can try to fold it knowing that
// "V != C1".
if (Pred == ICmpInst::ICMP_EQ) {
// !C1 == C -> false if C1 == C.
// !C1 == C -> false iff C1 == C.
Res = ConstantFoldCompareInstOperands(ICmpInst::ICMP_NE,
Result.getNotConstant(), C, TD,
TLI);
if (Res->isNullValue())
return False;
} else if (Pred == ICmpInst::ICMP_NE) {
// !C1 != C -> true if C1 == C.
// !C1 != C -> true iff C1 == C.
Res = ConstantFoldCompareInstOperands(ICmpInst::ICMP_NE,
Result.getNotConstant(), C, TD,
TLI);

4
lib/Analysis/ScalarEvolution.cpp
View File

@ -1367,7 +1367,7 @@ const SCEV *ScalarEvolution::getAnyExtendExpr(const SCEV *Op,
/// This form often exposes folding opportunities that are hidden in
/// the original operand list.
///
/// Return true if it appears that any interesting folding opportunities
/// Return true iff it appears that any interesting folding opportunities
/// may be exposed. This helps getAddRecExpr short-circuit extra work in
/// the common case where no interesting opportunities are present, and
/// is also used as a check to avoid infinite recursion.
@ -5598,7 +5598,7 @@ static bool HasSameValue(const SCEV *A, const SCEV *B) {
}
/// SimplifyICmpOperands - Simplify LHS and RHS in a comparison with
/// predicate Pred. Return true if any changes were made.
/// predicate Pred. Return true iff any changes were made.
///
bool ScalarEvolution::SimplifyICmpOperands(ICmpInst::Predicate &Pred,
const SCEV *&LHS, const SCEV *&RHS,

6
lib/Analysis/ValueTracking.cpp
View File

@ -470,7 +470,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
return;
}
case Instruction::Shl:
// (shl X, C1) & C2 == 0 if (X & C2 >>u C1) == 0
// (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0
if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) {
uint64_t ShiftAmt = SA->getLimitedValue(BitWidth);
ComputeMaskedBits(I->getOperand(0), KnownZero, KnownOne, TD, Depth+1);
@ -482,7 +482,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
}
break;
case Instruction::LShr:
// (ushr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0
// (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0
if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) {
// Compute the new bits that are at the top now.
uint64_t ShiftAmt = SA->getLimitedValue(BitWidth);
@ -498,7 +498,7 @@ void llvm::ComputeMaskedBits(Value *V, APInt &KnownZero, APInt &KnownOne,
}
break;
case Instruction::AShr:
// (ashr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0
// (ashr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0
if (ConstantInt *SA = dyn_cast<ConstantInt>(I->getOperand(1))) {
// Compute the new bits that are at the top now.
uint64_t ShiftAmt = SA->getLimitedValue(BitWidth-1);

38
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -578,7 +578,7 @@ SDValue DAGCombiner::ReassociateOps(unsigned Opc, DebugLoc DL,
return DAG.getNode(Opc, DL, VT, N0.getOperand(0), OpNode);
}
if (N0.hasOneUse()) {
// reassoc. (op (op x, c1), y) -> (op (op x, y), c1) if x+c1 has one use
// reassoc. (op (op x, c1), y) -> (op (op x, y), c1) iff x+c1 has one use
SDValue OpNode = DAG.getNode(Opc, N0.getDebugLoc(), VT,
N0.getOperand(0), N1);
AddToWorkList(OpNode.getNode());
@ -596,7 +596,7 @@ SDValue DAGCombiner::ReassociateOps(unsigned Opc, DebugLoc DL,
return DAG.getNode(Opc, DL, VT, N1.getOperand(0), OpNode);
}
if (N1.hasOneUse()) {
// reassoc. (op y, (op x, c1)) -> (op (op x, y), c1) if x+c1 has one use
// reassoc. (op y, (op x, c1)) -> (op (op x, y), c1) iff x+c1 has one use
SDValue OpNode = DAG.getNode(Opc, N0.getDebugLoc(), VT,
N1.getOperand(0), N0);
AddToWorkList(OpNode.getNode());
@ -1455,7 +1455,7 @@ SDValue DAGCombiner::visitADD(SDNode *N) {
if (!VT.isVector() && SimplifyDemandedBits(SDValue(N, 0)))
return SDValue(N, 0);
// fold (a+b) -> (a|b) if a and b share no bits.
// fold (a+b) -> (a|b) iff a and b share no bits.
if (VT.isInteger() && !VT.isVector()) {
APInt LHSZero, LHSOne;
APInt RHSZero, RHSOne;
@ -1549,7 +1549,7 @@ SDValue DAGCombiner::visitADDC(SDNode *N) {
return CombineTo(N, N0, DAG.getNode(ISD::CARRY_FALSE,
N->getDebugLoc(), MVT::Glue));
// fold (addc a, b) -> (or a, b), CARRY_FALSE if a and b share no bits.
// fold (addc a, b) -> (or a, b), CARRY_FALSE iff a and b share no bits.
APInt LHSZero, LHSOne;
APInt RHSZero, RHSOne;
DAG.ComputeMaskedBits(N0, LHSZero, LHSOne);
@ -1937,7 +1937,7 @@ SDValue DAGCombiner::visitUDIV(SDNode *N) {
return DAG.getNode(ISD::SRL, N->getDebugLoc(), VT, N0,
DAG.getConstant(N1C->getAPIntValue().logBase2(),
getShiftAmountTy(N0.getValueType())));
// fold (udiv x, (shl c, y)) -> x >>u (log2(c)+y) if c is power of 2
// fold (udiv x, (shl c, y)) -> x >>u (log2(c)+y) iff c is power of 2
if (N1.getOpcode() == ISD::SHL) {
if (ConstantSDNode *SHC = dyn_cast<ConstantSDNode>(N1.getOperand(0))) {
if (SHC->getAPIntValue().isPowerOf2()) {
@ -2642,7 +2642,7 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
return SDValue(N, 0); // Return N so it doesn't get rechecked!
}
}
// fold (zext_inreg (sextload x)) -> (zextload x) if load has one use
// fold (zext_inreg (sextload x)) -> (zextload x) iff load has one use
if (ISD::isSEXTLoad(N0.getNode()) && ISD::isUNINDEXEDLoad(N0.getNode()) &&
N0.hasOneUse()) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
@ -3038,7 +3038,7 @@ SDValue DAGCombiner::visitOR(SDNode *N) {
// fold (or x, -1) -> -1
if (N1C && N1C->isAllOnesValue())
return N1;
// fold (or x, c) -> c if (x & ~c) == 0
// fold (or x, c) -> c iff (x & ~c) == 0
if (N1C && DAG.MaskedValueIsZero(N0, ~N1C->getAPIntValue()))
return N1;
@ -3055,7 +3055,7 @@ SDValue DAGCombiner::visitOR(SDNode *N) {
if (ROR.getNode() != 0)
return ROR;
// Canonicalize (or (and X, c1), c2) -> (and (or X, c2), c1|c2)
// if (c1 & c2) == 0.
// iff (c1 & c2) == 0.
if (N1C && N0.getOpcode() == ISD::AND && N0.getNode()->hasOneUse() &&
isa<ConstantSDNode>(N0.getOperand(1))) {
ConstantSDNode *C1 = cast<ConstantSDNode>(N0.getOperand(1));
@ -3392,7 +3392,7 @@ SDValue DAGCombiner::visitXOR(SDNode *N) {
return DAG.getNode(ISD::ZERO_EXTEND, N->getDebugLoc(), VT, V);
}
// fold (not (or x, y)) -> (and (not x), (not y)) if x or y are setcc
// fold (not (or x, y)) -> (and (not x), (not y)) iff x or y are setcc
if (N1C && N1C->getAPIntValue() == 1 && VT == MVT::i1 &&
(N0.getOpcode() == ISD::OR || N0.getOpcode() == ISD::AND)) {
SDValue LHS = N0.getOperand(0), RHS = N0.getOperand(1);
@ -3404,7 +3404,7 @@ SDValue DAGCombiner::visitXOR(SDNode *N) {
return DAG.getNode(NewOpcode, N->getDebugLoc(), VT, LHS, RHS);
}
}
// fold (not (or x, y)) -> (and (not x), (not y)) if x or y are constants
// fold (not (or x, y)) -> (and (not x), (not y)) iff x or y are constants
if (N1C && N1C->isAllOnesValue() &&
(N0.getOpcode() == ISD::OR || N0.getOpcode() == ISD::AND)) {
SDValue LHS = N0.getOperand(0), RHS = N0.getOperand(1);
@ -3882,7 +3882,7 @@ SDValue DAGCombiner::visitSRL(SDNode *N) {
return DAG.getNode(ISD::SRL, N->getDebugLoc(), VT, N0.getOperand(0), N1);
}
// fold (srl (ctlz x), "5") -> x if x has one bit set (the low bit).
// fold (srl (ctlz x), "5") -> x iff x has one bit set (the low bit).
if (N1C && N0.getOpcode() == ISD::CTLZ &&
N1C->getAPIntValue() == Log2_32(VT.getSizeInBits())) {
APInt KnownZero, KnownOne;
@ -4816,7 +4816,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
if (N0.getOpcode() == ISD::TRUNCATE) {
SDValue TruncOp = N0.getOperand(0);
if (TruncOp.getValueType() == VT)
return TruncOp; // x if x size == zext size.
return TruncOp; // x iff x size == zext size.
if (TruncOp.getValueType().bitsGT(VT))
return DAG.getNode(ISD::TRUNCATE, N->getDebugLoc(), VT, TruncOp);
return DAG.getNode(ISD::ANY_EXTEND, N->getDebugLoc(), VT, TruncOp);
@ -5168,12 +5168,12 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
return NarrowLoad;
// fold (sext_in_reg (srl X, 24), i8) -> (sra X, 24)
// fold (sext_in_reg (srl X, 23), i8) -> (sra X, 23) if possible.
// fold (sext_in_reg (srl X, 23), i8) -> (sra X, 23) iff possible.
// We already fold "(sext_in_reg (srl X, 25), i8) -> srl X, 25" above.
if (N0.getOpcode() == ISD::SRL) {
if (ConstantSDNode *ShAmt = dyn_cast<ConstantSDNode>(N0.getOperand(1)))
if (ShAmt->getZExtValue()+EVTBits <= VTBits) {
// We can turn this into an SRA if the input to the SRL is already sign
// We can turn this into an SRA iff the input to the SRL is already sign
// extended enough.
unsigned InSignBits = DAG.ComputeNumSignBits(N0.getOperand(0));
if (VTBits-(ShAmt->getZExtValue()+EVTBits) < InSignBits)
@ -5199,7 +5199,7 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
}
// fold (sext_inreg (zextload x)) -> (sextload x) if load has one use
// fold (sext_inreg (zextload x)) -> (sextload x) iff load has one use
if (ISD::isZEXTLoad(N0.getNode()) && ISD::isUNINDEXEDLoad(N0.getNode()) &&
N0.hasOneUse() &&
EVT == cast<LoadSDNode>(N0)->getMemoryVT() &&
@ -5506,7 +5506,7 @@ SDValue DAGCombiner::visitBITCAST(SDNode *N) {
}
}
// bitconvert(build_pair(ld, ld)) -> ld if load locations are consecutive.
// bitconvert(build_pair(ld, ld)) -> ld iff load locations are consecutive.
if (N0.getOpcode() == ISD::BUILD_PAIR) {
SDValue CombineLD = CombineConsecutiveLoads(N0.getNode(), VT);
if (CombineLD.getNode())
@ -6151,8 +6151,8 @@ SDValue DAGCombiner::visitFCOPYSIGN(SDNode *N) {
if (N1CFP) {
const APFloat& V = N1CFP->getValueAPF();
// copysign(x, c1) -> fabs(x) if ispos(c1)
// copysign(x, c1) -> fneg(fabs(x)) if isneg(c1)
// copysign(x, c1) -> fabs(x) iff ispos(c1)
// copysign(x, c1) -> fneg(fabs(x)) iff isneg(c1)
if (!V.isNegative()) {
if (!LegalOperations || TLI.isOperationLegal(ISD::FABS, VT))
return DAG.getNode(ISD::FABS, N->getDebugLoc(), VT, N0);
@ -8764,7 +8764,7 @@ SDValue DAGCombiner::SimplifySelectCC(DebugLoc DL, SDValue N0, SDValue N1,
EVT XType = N0.getValueType();
EVT AType = N2.getValueType();
if (XType.bitsGE(AType)) {
// and (sra X, size(X)-1, A) -> "and (srl X, C2), A" if A is a
// and (sra X, size(X)-1, A) -> "and (srl X, C2), A" iff A is a
// single-bit constant.
if (N2C && ((N2C->getAPIntValue() & (N2C->getAPIntValue()-1)) == 0)) {
unsigned ShCtV = N2C->getAPIntValue().logBase2();

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

@ -447,7 +447,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_SADDSUBO(SDNode *N, unsigned ResNo) {
if (ResNo == 1)
return PromoteIntRes_Overflow(N);
// The operation overflowed if the result in the larger type is not the
// The operation overflowed iff the result in the larger type is not the
// sign extension of its truncation to the original type.
SDValue LHS = SExtPromotedInteger(N->getOperand(0));
SDValue RHS = SExtPromotedInteger(N->getOperand(1));
@ -610,7 +610,7 @@ SDValue DAGTypeLegalizer::PromoteIntRes_UADDSUBO(SDNode *N, unsigned ResNo) {
if (ResNo == 1)
return PromoteIntRes_Overflow(N);
// The operation overflowed if the result in the larger type is not the
// The operation overflowed iff the result in the larger type is not the
// zero extension of its truncation to the original type.
SDValue LHS = ZExtPromotedInteger(N->getOperand(0));
SDValue RHS = ZExtPromotedInteger(N->getOperand(1));
@ -655,17 +655,17 @@ SDValue DAGTypeLegalizer::PromoteIntRes_XMULO(SDNode *N, unsigned ResNo) {
}
SDValue Mul = DAG.getNode(ISD::MUL, DL, LHS.getValueType(), LHS, RHS);
// Overflow occurred if the high part of the result does not
// Overflow occurred iff the high part of the result does not
// zero/sign-extend the low part.
SDValue Overflow;
if (N->getOpcode() == ISD::UMULO) {
// Unsigned overflow occurred if the high part is non-zero.
// Unsigned overflow occurred iff the high part is non-zero.
SDValue Hi = DAG.getNode(ISD::SRL, DL, Mul.getValueType(), Mul,
DAG.getIntPtrConstant(SmallVT.getSizeInBits()));
Overflow = DAG.getSetCC(DL, N->getValueType(1), Hi,
DAG.getConstant(0, Hi.getValueType()), ISD::SETNE);
} else {
// Signed overflow occurred if the high part does not sign extend the low.
// Signed overflow occurred iff the high part does not sign extend the low.
SDValue SExt = DAG.getNode(ISD::SIGN_EXTEND_INREG, DL, Mul.getValueType(),
Mul, DAG.getValueType(SmallVT));
Overflow = DAG.getSetCC(DL, N->getValueType(1), SExt, Mul, ISD::SETNE);
@ -2240,8 +2240,8 @@ void DAGTypeLegalizer::ExpandIntRes_UADDSUBO(SDNode *N,
LHS, RHS);
SplitInteger(Sum, Lo, Hi);
// Calculate the overflow: addition overflows if a + b < a, and subtraction
// overflows if a - b > a.
// Calculate the overflow: addition overflows iff a + b < a, and subtraction
// overflows iff a - b > a.
SDValue Ofl = DAG.getSetCC(dl, N->getValueType(1), Sum, LHS,
N->getOpcode () == ISD::UADDO ?
ISD::SETULT : ISD::SETUGT);

10
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -1825,7 +1825,7 @@ void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero,
KnownZero |= APInt::getHighBitsSet(BitWidth, BitWidth - 1);
return;
case ISD::SHL:
// (shl X, C1) & C2 == 0 if (X & C2 >>u C1) == 0
// (shl X, C1) & C2 == 0 iff (X & C2 >>u C1) == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
unsigned ShAmt = SA->getZExtValue();
@ -1842,7 +1842,7 @@ void SelectionDAG::ComputeMaskedBits(SDValue Op, APInt &KnownZero,
}
return;
case ISD::SRL:
// (ushr X, C1) & C2 == 0 if (-1 >> C1) & C2 == 0
// (ushr X, C1) & C2 == 0 iff (-1 >> C1) & C2 == 0
if (ConstantSDNode *SA = dyn_cast<ConstantSDNode>(Op.getOperand(1))) {
unsigned ShAmt = SA->getZExtValue();
@ -2356,7 +2356,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{
/// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an
/// ISD::OR with a ConstantSDNode that is guaranteed to have the same
/// semantics as an ADD. This handles the equivalence:
/// X|Cst == X+Cst if X&Cst = 0.
/// X|Cst == X+Cst iff X&Cst = 0.
bool SelectionDAG::isBaseWithConstantOffset(SDValue Op) const {
if ((Op.getOpcode() != ISD::ADD && Op.getOpcode() != ISD::OR) ||
!isa<ConstantSDNode>(Op.getOperand(1)))
@ -2882,7 +2882,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT,
assert(VT.isFloatingPoint() && EVT.isFloatingPoint() &&
"Cannot FP_ROUND_INREG integer types");
assert(EVT.isVector() == VT.isVector() &&
"FP_ROUND_INREG type should be vector if the operand "
"FP_ROUND_INREG type should be vector iff the operand "
"type is vector!");
assert((!EVT.isVector() ||
EVT.getVectorNumElements() == VT.getVectorNumElements()) &&
@ -2918,7 +2918,7 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT,
assert(VT.isInteger() && EVT.isInteger() &&
"Cannot *_EXTEND_INREG FP types");
assert(EVT.isVector() == VT.isVector() &&
"SIGN_EXTEND_INREG type should be vector if the operand "
"SIGN_EXTEND_INREG type should be vector iff the operand "
"type is vector!");
assert((!EVT.isVector() ||
EVT.getVectorNumElements() == VT.getVectorNumElements()) &&

8
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -1330,7 +1330,7 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op,
// If all of the unknown bits are known to be zero on one side or the other
// (but not both) turn this into an *inclusive* or.
// e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0
// e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
if ((NewMask & ~KnownZero & ~KnownZero2) == 0)
return TLO.CombineTo(Op, TLO.DAG.getNode(ISD::OR, dl, Op.getValueType(),
Op.getOperand(0),
@ -1344,7 +1344,7 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op,
// If all of the demanded bits on one side are known, and all of the set
// bits on that side are also known to be set on the other side, turn this
// into an AND, as we know the bits will be cleared.
// e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 if (C1&C2) == C2
// e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 iff (C1&C2) == C2
// NB: it is okay if more bits are known than are requested
if ((NewMask & (KnownZero|KnownOne)) == NewMask) { // all known on one side
if (KnownOne == KnownOne2) { // set bits are the same on both sides
@ -1970,7 +1970,7 @@ TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1,
return DAG.getSetCC(dl, VT, And, DAG.getConstant(0, CTVT), CC);
}
// TODO: (ctpop x) == 1 -> x && (x & x-1) == 0 if ctpop is illegal.
// TODO: (ctpop x) == 1 -> x && (x & x-1) == 0 iff ctpop is illegal.
}
// (zext x) == C --> x == (trunc C)
@ -2503,7 +2503,7 @@ TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1,
N0.getValueType()), Cond);
}
// Turn (X^C1) == C2 into X == C1^C2 if X&~C1 = 0.
// Turn (X^C1) == C2 into X == C1^C2 iff X&~C1 = 0.
if (N0.getOpcode() == ISD::XOR)
// If we know that all of the inverted bits are zero, don't bother
// performing the inversion.

2
lib/MC/WinCOFFObjectWriter.cpp
View File

@ -289,7 +289,7 @@ size_t StringTable::size() const {
return Data.size();
}
/// Add String to the table if it is not already there.
/// Add String to the table iff it is not already there.
/// @returns the index into the string table where the string is now located.
size_t StringTable::insert(llvm::StringRef String) {
map::iterator i = Map.find(String);

8
lib/Support/APInt.cpp
View File

@ -1860,7 +1860,7 @@ APInt APInt::udiv(const APInt& RHS) const {
// 0 / X ===> 0
return APInt(BitWidth, 0);
else if (lhsWords < rhsWords || this->ult(RHS)) {
// X / Y ===> 0, if X < Y
// X / Y ===> 0, iff X < Y
return APInt(BitWidth, 0);
} else if (*this == RHS) {
// X / X ===> 1
@ -1897,7 +1897,7 @@ APInt APInt::urem(const APInt& RHS) const {
// 0 % Y ===> 0
return APInt(BitWidth, 0);
} else if (lhsWords < rhsWords || this->ult(RHS)) {
// X % Y ===> X, if X < Y
// X % Y ===> X, iff X < Y
return *this;
} else if (*this == RHS) {
// X % X == 0;
@ -1929,8 +1929,8 @@ void APInt::udivrem(const APInt &LHS, const APInt &RHS,
}
if (lhsWords < rhsWords || LHS.ult(RHS)) {
Remainder = LHS; // X % Y ===> X, if X < Y
Quotient = 0; // X / Y ===> 0, if X < Y
Remainder = LHS; // X % Y ===> X, iff X < Y
Quotient = 0; // X / Y ===> 0, iff X < Y
return;
}

2
lib/Support/Statistic.cpp
View File

@ -96,7 +96,7 @@ struct NameCompare {
}
// Print information when destroyed, if command line option is specified.
// Print information when destroyed, iff command line option is specified.
StatisticInfo::~StatisticInfo() {
llvm::PrintStatistics();
}

2
lib/Target/ARM/ARMFastISel.cpp
View File

@ -276,7 +276,7 @@ ARMFastISel::AddOptionalDefs(const MachineInstrBuilder &MIB) {
if (TII.isPredicable(MI) || isARMNEONPred(MI))
AddDefaultPred(MIB);
// Do we optionally set a predicate? Preds is size > 0 if the predicate
// Do we optionally set a predicate? Preds is size > 0 iff the predicate
// defines CPSR. All other OptionalDefines in ARM are the CCR register.
bool CPSR = false;
if (DefinesOptionalPredicate(MI, &CPSR)) {

2
lib/Target/ARM/ARMISelDAGToDAG.cpp
View File

@ -2117,7 +2117,7 @@ SDNode *ARMDAGToDAGISel::SelectV6T2BitfieldExtractOp(SDNode *N,
if (N->getOpcode() == ISD::AND) {
if (isOpcWithIntImmediate(N, ISD::AND, And_imm)) {
// The immediate is a mask of the low bits if imm & (imm+1) == 0
// The immediate is a mask of the low bits iff imm & (imm+1) == 0
if (And_imm & (And_imm + 1))
return NULL;

8
lib/Target/ARM/ARMISelLowering.cpp
View File

@ -727,7 +727,7 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
if (!TM.Options.UseSoftFloat && Subtarget->hasVFP2() &&
!Subtarget->isThumb1Only()) {
// Turn f64->i64 into VMOVRRD, i64 -> f64 to VMOVDRR
// if target supports vfp2.
// iff target supports vfp2.
setOperationAction(ISD::BITCAST, MVT::i64, Custom);
setOperationAction(ISD::FLT_ROUNDS_, MVT::i32, Custom);
}
@ -7692,12 +7692,12 @@ static SDValue PerformORCombine(SDNode *N,
DebugLoc DL = N->getDebugLoc();
// 1) or (and A, mask), val => ARMbfi A, val, mask
// if (val & mask) == val
// iff (val & mask) == val
//
// 2) or (and A, mask), (and B, mask2) => ARMbfi A, (lsr B, amt), mask
// 2a) if isBitFieldInvertedMask(mask) && isBitFieldInvertedMask(~mask2)
// 2a) iff isBitFieldInvertedMask(mask) && isBitFieldInvertedMask(~mask2)
// && mask == ~mask2
// 2b) if isBitFieldInvertedMask(~mask) && isBitFieldInvertedMask(mask2)
// 2b) iff isBitFieldInvertedMask(~mask) && isBitFieldInvertedMask(mask2)
// && ~mask == mask2
// (i.e., copy a bitfield value into another bitfield of the same width)

2
lib/Target/ARM/ARMInstrThumb.td
View File

@ -698,7 +698,7 @@ def tLDMIA : T1I<(outs), (ins tGPR:$Rn, pred:$p, reglist:$regs, variable_ops),
}
// Writeback version is just a pseudo, as there's no encoding difference.
// Writeback happens if the base register is not in the destination register
// Writeback happens iff the base register is not in the destination register
// list.
def tLDMIA_UPD :
InstTemplate<AddrModeNone, 0, IndexModeNone, Pseudo, GenericDomain,

6
lib/Target/ARM/AsmParser/ARMAsmParser.cpp
View File

@ -5316,7 +5316,7 @@ validateInstruction(MCInst &Inst,
// instruction. We'll make the transformation in processInstruction()
// if necessary.
//
// Thumb LDM instructions are writeback if the base register is not
// Thumb LDM instructions are writeback iff the base register is not
// in the register list.
unsigned Rn = Inst.getOperand(0).getReg();
bool hasWritebackToken =
@ -7023,7 +7023,7 @@ processInstruction(MCInst &Inst,
Inst.addOperand(MCOperand::CreateReg(0)); // cc_out
break;
case ARM::tADDi8:
// If the immediate is in the range 0-7, we want tADDi3 if Rd was
// If the immediate is in the range 0-7, we want tADDi3 iff Rd was
// explicitly specified. From the ARM ARM: "Encoding T1 is preferred
// to encoding T2 if <Rd> is specified and encoding T2 is preferred
// to encoding T1 if <Rd> is omitted."
@ -7033,7 +7033,7 @@ processInstruction(MCInst &Inst,
}
break;
case ARM::tSUBi8:
// If the immediate is in the range 0-7, we want tADDi3 if Rd was
// If the immediate is in the range 0-7, we want tADDi3 iff Rd was
// explicitly specified. From the ARM ARM: "Encoding T1 is preferred
// to encoding T2 if <Rd> is specified and encoding T2 is preferred
// to encoding T1 if <Rd> is omitted."

2
lib/Target/MSP430/MSP430ISelDAGToDAG.cpp
View File

@ -221,7 +221,7 @@ bool MSP430DAGToDAGISel::MatchAddress(SDValue N, MSP430ISelAddressMode &AM) {
}
case ISD::OR:
// Handle "X | C" as "X + C" if X is known to have C bits clear.
// Handle "X | C" as "X + C" iff X is known to have C bits clear.
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
MSP430ISelAddressMode Backup = AM;
uint64_t Offset = CN->getSExtValue();

2
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
View File

@ -74,7 +74,7 @@ namespace {
return CurDAG->getTargetConstant(Imm, PPCLowering.getPointerTy());
}
/// isRunOfOnes - Returns true if Val consists of one contiguous run of 1s
/// isRunOfOnes - Returns true iff Val consists of one contiguous run of 1s
/// with any number of 0s on either side. The 1s are allowed to wrap from
/// LSB to MSB, so 0x000FFF0, 0x0000FFFF, and 0xFF0000FF are all runs.
/// 0x0F0F0000 is not, since all 1s are not contiguous.

2
lib/Target/X86/X86FloatingPoint.cpp
View File

@ -1280,7 +1280,7 @@ void FPS::handleCompareFP(MachineBasicBlock::iterator &I) {
}
/// handleCondMovFP - Handle two address conditional move instructions. These
/// instructions move a st(i) register to st(0) if a condition is true. These
/// instructions move a st(i) register to st(0) iff a condition is true. These
/// instructions require that the first operand is at the top of the stack, but
/// otherwise don't modify the stack at all.
void FPS::handleCondMovFP(MachineBasicBlock::iterator &I) {

2
lib/Target/X86/X86ISelDAGToDAG.cpp
View File

@ -1202,7 +1202,7 @@ bool X86DAGToDAGISel::MatchAddressRecursively(SDValue N, X86ISelAddressMode &AM,
}
case ISD::OR:
// Handle "X | C" as "X + C" if X is known to have C bits clear.
// Handle "X | C" as "X + C" iff X is known to have C bits clear.
if (CurDAG->isBaseWithConstantOffset(N)) {
X86ISelAddressMode Backup = AM;
ConstantSDNode *CN = cast<ConstantSDNode>(N.getOperand(1));

2
lib/Target/X86/X86InstrInfo.cpp
View File

@ -1652,7 +1652,7 @@ static bool isSafeToClobberEFLAGS(MachineBasicBlock &MBB,
Iter = I;
for (unsigned i = 0; i < 4; ++i) {
// If we make it to the beginning of the block, it's safe to clobber
// EFLAGS if EFLAGS is not live-in.
// EFLAGS iff EFLAGS is not live-in.
if (Iter == B)
return !MBB.isLiveIn(X86::EFLAGS);

6
lib/Target/XCore/XCoreISelLowering.cpp
View File

@ -1361,7 +1361,7 @@ SDValue XCoreTargetLowering::PerformDAGCombine(SDNode *N,
return DAG.getMergeValues(Ops, 2, dl);
}
// fold (ladd x, 0, y) -> 0, add x, y if carry is unused and y has only the
// fold (ladd x, 0, y) -> 0, add x, y iff carry is unused and y has only the
// low bit set
if (N1C && N1C->isNullValue() && N->hasNUsesOfValue(0, 0)) {
APInt KnownZero, KnownOne;
@ -1385,7 +1385,7 @@ SDValue XCoreTargetLowering::PerformDAGCombine(SDNode *N,
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1);
EVT VT = N0.getValueType();
// fold (lsub 0, 0, x) -> x, -x if x has only the low bit set
// fold (lsub 0, 0, x) -> x, -x iff x has only the low bit set
if (N0C && N0C->isNullValue() && N1C && N1C->isNullValue()) {
APInt KnownZero, KnownOne;
APInt Mask = APInt::getHighBitsSet(VT.getSizeInBits(),
@ -1400,7 +1400,7 @@ SDValue XCoreTargetLowering::PerformDAGCombine(SDNode *N,
}
}
// fold (lsub x, 0, y) -> 0, sub x, y if borrow is unused and y has only the
// fold (lsub x, 0, y) -> 0, sub x, y iff borrow is unused and y has only the
// low bit set
if (N1C && N1C->isNullValue() && N->hasNUsesOfValue(0, 0)) {
APInt KnownZero, KnownOne;

2
lib/Transforms/IPO/ConstantMerge.cpp
View File

@ -43,7 +43,7 @@ namespace {
// duplicate constants.
bool runOnModule(Module &M);
// Return true if we can determine the alignment of this global variable.
// Return true iff we can determine the alignment of this global variable.
bool hasKnownAlignment(GlobalVariable *GV) const;
// Return the alignment of the global, including converting the default

2
lib/Transforms/IPO/GlobalOpt.cpp
View File

@ -172,7 +172,7 @@ static AtomicOrdering StrongerOrdering(AtomicOrdering X, AtomicOrdering Y) {
return (AtomicOrdering)std::max(X, Y);
}
/// SafeToDestroyConstant - It is safe to destroy a constant if it is only used
/// SafeToDestroyConstant - It is safe to destroy a constant iff it is only used
/// by constants itself. Note that constants cannot be cyclic, so this test is
/// pretty easy to implement recursively.
///

2
lib/Transforms/IPO/PruneEH.cpp
View File

@ -8,7 +8,7 @@
//===----------------------------------------------------------------------===//
//
// This file implements a simple interprocedural pass which walks the
// call-graph, turning invoke instructions into calls, if the callee cannot
// call-graph, turning invoke instructions into calls, iff the callee cannot
// throw an exception, and marking functions 'nounwind' if they cannot throw.
// It implements this as a bottom-up traversal of the call-graph.
//

4
lib/Transforms/InstCombine/InstCombineAddSub.cpp
View File

@ -200,7 +200,7 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) {
if (dyn_castFoldableMul(RHS, C2) == LHS)
return BinaryOperator::CreateMul(LHS, AddOne(C2));
// A+B --> A|B if A and B have no bits set in common.
// A+B --> A|B iff A and B have no bits set in common.
if (IntegerType *IT = dyn_cast<IntegerType>(I.getType())) {
APInt LHSKnownOne(IT->getBitWidth(), 0);
APInt LHSKnownZero(IT->getBitWidth(), 0);
@ -216,7 +216,7 @@ Instruction *InstCombiner::visitAdd(BinaryOperator &I) {
}
}
// W*X + Y*Z --> W * (X+Z) if W == Y
// W*X + Y*Z --> W * (X+Z) iff W == Y
{
Value *W, *X, *Y, *Z;
if (match(LHS, m_Mul(m_Value(W), m_Value(X))) &&

38
lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
View File

@ -315,7 +315,7 @@ Value *InstCombiner::InsertRangeTest(Value *V, Constant *Lo, Constant *Hi,
return Builder->CreateICmpUGT(Add, LowerBound);
}
// isRunOfOnes - Returns true if Val consists of one contiguous run of 1s with
// isRunOfOnes - Returns true iff Val consists of one contiguous run of 1s with
// any number of 0s on either side. The 1s are allowed to wrap from LSB to
// MSB, so 0x000FFF0, 0x0000FFFF, and 0xFF0000FF are all runs. 0x0F0F0000 is
// not, since all 1s are not contiguous.
@ -335,9 +335,9 @@ static bool isRunOfOnes(ConstantInt *Val, uint32_t &MB, uint32_t &ME) {
/// where isSub determines whether the operator is a sub. If we can fold one of
/// the following xforms:
///
/// ((A & N) +/- B) & Mask -> (A +/- B) & Mask if N&Mask == Mask
/// ((A | N) +/- B) & Mask -> (A +/- B) & Mask if N&Mask == 0
/// ((A ^ N) +/- B) & Mask -> (A +/- B) & Mask if N&Mask == 0
/// ((A & N) +/- B) & Mask -> (A +/- B) & Mask iff N&Mask == Mask
/// ((A | N) +/- B) & Mask -> (A +/- B) & Mask iff N&Mask == 0
/// ((A ^ N) +/- B) & Mask -> (A +/- B) & Mask iff N&Mask == 0
///
/// return (A +/- B).
///
@ -752,7 +752,7 @@ Value *InstCombiner::FoldAndOfICmps(ICmpInst *LHS, ICmpInst *RHS) {
// (trunc x) == C1 & (and x, CA) == C2 -> (and x, CA|CMAX) == C1|C2
// where CMAX is the all ones value for the truncated type,
// if the lower bits of C2 and CA are zero.
// iff the lower bits of C2 and CA are zero.
if (LHSCC == ICmpInst::ICMP_EQ && LHSCC == RHSCC &&
LHS->hasOneUse() && RHS->hasOneUse()) {
Value *V;
@ -1062,9 +1062,9 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
break;
}
case Instruction::Add:
// ((A & N) + B) & AndRHS -> (A + B) & AndRHS if N&AndRHS == AndRHS.
// ((A | N) + B) & AndRHS -> (A + B) & AndRHS if N&AndRHS == 0
// ((A ^ N) + B) & AndRHS -> (A + B) & AndRHS if N&AndRHS == 0
// ((A & N) + B) & AndRHS -> (A + B) & AndRHS iff N&AndRHS == AndRHS.
// ((A | N) + B) & AndRHS -> (A + B) & AndRHS iff N&AndRHS == 0
// ((A ^ N) + B) & AndRHS -> (A + B) & AndRHS iff N&AndRHS == 0
if (Value *V = FoldLogicalPlusAnd(Op0LHS, Op0RHS, AndRHS, false, I))
return BinaryOperator::CreateAnd(V, AndRHS);
if (Value *V = FoldLogicalPlusAnd(Op0RHS, Op0LHS, AndRHS, false, I))
@ -1072,13 +1072,13 @@ Instruction *InstCombiner::visitAnd(BinaryOperator &I) {
break;
case Instruction::Sub:
// ((A & N) - B) & AndRHS -> (A - B) & AndRHS if N&AndRHS == AndRHS.
// ((A | N) - B) & AndRHS -> (A - B) & AndRHS if N&AndRHS == 0
// ((A ^ N) - B) & AndRHS -> (A - B) & AndRHS if N&AndRHS == 0
// ((A & N) - B) & AndRHS -> (A - B) & AndRHS iff N&AndRHS == AndRHS.
// ((A | N) - B) & AndRHS -> (A - B) & AndRHS iff N&AndRHS == 0
// ((A ^ N) - B) & AndRHS -> (A - B) & AndRHS iff N&AndRHS == 0
if (Value *V = FoldLogicalPlusAnd(Op0LHS, Op0RHS, AndRHS, true, I))
return BinaryOperator::CreateAnd(V, AndRHS);
// (A - N) & AndRHS -> -N & AndRHS if A&AndRHS==0 and AndRHS
// (A - N) & AndRHS -> -N & AndRHS iff A&AndRHS==0 and AndRHS
// has 1's for all bits that the subtraction with A might affect.
if (Op0I->hasOneUse() && !match(Op0LHS, m_Zero())) {
uint32_t BitWidth = AndRHSMask.getBitWidth();
@ -1472,7 +1472,7 @@ Value *InstCombiner::FoldOrOfICmps(ICmpInst *LHS, ICmpInst *RHS) {
}
// (icmp ult (X + CA), C1) | (icmp eq X, C2) -> (icmp ule (X + CA), C1)
// if C2 + CA == C1.
// iff C2 + CA == C1.
if (LHSCC == ICmpInst::ICMP_ULT && RHSCC == ICmpInst::ICMP_EQ) {
ConstantInt *AddCst;
if (match(Val, m_Add(m_Specific(Val2), m_ConstantInt(AddCst))))
@ -1735,7 +1735,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
if (ConstantInt *RHS = dyn_cast<ConstantInt>(Op1)) {
ConstantInt *C1 = 0; Value *X = 0;
// (X & C1) | C2 --> (X | C2) & (C1|C2)
// if (C1 & C2) == 0.
// iff (C1 & C2) == 0.
if (match(Op0, m_And(m_Value(X), m_ConstantInt(C1))) &&
(RHS->getValue() & C1->getValue()) != 0 &&
Op0->hasOneUse()) {
@ -1779,7 +1779,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
return BSwap;
}
// (X^C)|Y -> (X|Y)^C if Y&C == 0
// (X^C)|Y -> (X|Y)^C iff Y&C == 0
if (Op0->hasOneUse() &&
match(Op0, m_Xor(m_Value(A), m_ConstantInt(C1))) &&
MaskedValueIsZero(Op1, C1->getValue())) {
@ -1788,7 +1788,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
return BinaryOperator::CreateXor(NOr, C1);
}
// Y|(X^C) -> (X|Y)^C if Y&C == 0
// Y|(X^C) -> (X|Y)^C iff Y&C == 0
if (Op1->hasOneUse() &&
match(Op1, m_Xor(m_Value(A), m_ConstantInt(C1))) &&
MaskedValueIsZero(Op0, C1->getValue())) {
@ -1830,7 +1830,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
if ((C1->getValue() & C2->getValue()) == 0) {
// ((V | N) & C1) | (V & C2) --> (V|N) & (C1|C2)
// if (C1&C2) == 0 and (N&~C1) == 0
// iff (C1&C2) == 0 and (N&~C1) == 0
if (match(A, m_Or(m_Value(V1), m_Value(V2))) &&
((V1 == B && MaskedValueIsZero(V2, ~C1->getValue())) || // (V|N)
(V2 == B && MaskedValueIsZero(V1, ~C1->getValue())))) // (N|V)
@ -1846,7 +1846,7 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
C1->getValue()|C2->getValue()));
// ((V|C3)&C1) | ((V|C4)&C2) --> (V|C3|C4)&(C1|C2)
// if (C1&C2) == 0 and (C3&~C1) == 0 and (C4&~C2) == 0.
// iff (C1&C2) == 0 and (C3&~C1) == 0 and (C4&~C2) == 0.
ConstantInt *C3 = 0, *C4 = 0;
if (match(A, m_Or(m_Value(V1), m_ConstantInt(C3))) &&
(C3->getValue() & ~C1->getValue()) == 0 &&
@ -2146,7 +2146,7 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) {
}
} else if (Op0I->getOpcode() == Instruction::Or) {
// (X|C1)^C2 -> X^(C1|C2) if X&~C1 == 0
// (X|C1)^C2 -> X^(C1|C2) iff X&~C1 == 0
if (MaskedValueIsZero(Op0I->getOperand(0), Op0CI->getValue())) {
Constant *NewRHS = ConstantExpr::getOr(Op0CI, RHS);
// Anything in both C1 and C2 is known to be zero, remove it from

18
lib/Transforms/InstCombine/InstCombineCasts.cpp
View File

@ -381,7 +381,7 @@ static bool CanEvaluateTruncated(Value *V, Type *Ty) {
break;
case Instruction::LShr:
// If this is a truncate of a logical shr, we can truncate it to a smaller
// lshr if we know that the bits we would otherwise be shifting in are
// lshr iff we know that the bits we would otherwise be shifting in are
// already zeros.
if (ConstantInt *CI = dyn_cast<ConstantInt>(I->getOperand(1))) {
uint32_t OrigBitWidth = OrigTy->getScalarSizeInBits();
@ -527,14 +527,14 @@ Instruction *InstCombiner::transformZExtICmp(ICmpInst *ICI, Instruction &CI,
return ReplaceInstUsesWith(CI, In);
}
// zext (X == 0) to i32 --> X^1 if X has only the low bit set.
// zext (X == 0) to i32 --> (X>>1)^1 if X has only the 2nd bit set.
// zext (X == 1) to i32 --> X if X has only the low bit set.
// zext (X == 2) to i32 --> X>>1 if X has only the 2nd bit set.
// zext (X != 0) to i32 --> X if X has only the low bit set.
// zext (X != 0) to i32 --> X>>1 if X has only the 2nd bit set.
// zext (X != 1) to i32 --> X^1 if X has only the low bit set.
// zext (X != 2) to i32 --> (X>>1)^1 if X has only the 2nd bit set.
// zext (X == 0) to i32 --> X^1 iff X has only the low bit set.
// zext (X == 0) to i32 --> (X>>1)^1 iff X has only the 2nd bit set.
// zext (X == 1) to i32 --> X iff X has only the low bit set.
// zext (X == 2) to i32 --> X>>1 iff X has only the 2nd bit set.
// zext (X != 0) to i32 --> X iff X has only the low bit set.
// zext (X != 0) to i32 --> X>>1 iff X has only the 2nd bit set.
// zext (X != 1) to i32 --> X^1 iff X has only the low bit set.
// zext (X != 2) to i32 --> (X>>1)^1 iff X has only the 2nd bit set.
if ((Op1CV == 0 || Op1CV.isPowerOf2()) &&
// This only works for EQ and NE
ICI->isEquality()) {

2
lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
View File

@ -368,7 +368,7 @@ Instruction *InstCombiner::visitLoadInst(LoadInst &LI) {
LI.setAlignment(EffectiveLoadAlign);
}
// load (cast X) --> cast (load X) if safe.
// load (cast X) --> cast (load X) iff safe.
if (isa<CastInst>(Op))
if (Instruction *Res = InstCombineLoadCast(*this, LI, TD))
return Res;

4
lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
View File

@ -550,7 +550,7 @@ Instruction *InstCombiner::visitSDiv(BinaryOperator &I) {
APInt Mask(APInt::getSignBit(I.getType()->getPrimitiveSizeInBits()));
if (MaskedValueIsZero(Op0, Mask)) {
if (MaskedValueIsZero(Op1, Mask)) {
// X sdiv Y -> X udiv Y, if X and Y don't have sign bit set
// X sdiv Y -> X udiv Y, iff X and Y don't have sign bit set
return BinaryOperator::CreateUDiv(Op0, Op1, I.getName());
}
@ -692,7 +692,7 @@ Instruction *InstCombiner::visitSRem(BinaryOperator &I) {
if (I.getType()->isIntegerTy()) {
APInt Mask(APInt::getSignBit(I.getType()->getPrimitiveSizeInBits()));
if (MaskedValueIsZero(Op1, Mask) && MaskedValueIsZero(Op0, Mask)) {
// X srem Y -> X urem Y, if X and Y don't have sign bit set
// X srem Y -> X urem Y, iff X and Y don't have sign bit set
return BinaryOperator::CreateURem(Op0, Op1, I.getName());
}
}

4
lib/Transforms/InstCombine/InstCombineShifts.cpp
View File

@ -37,7 +37,7 @@ Instruction *InstCombiner::commonShiftTransforms(BinaryOperator &I) {
if (Instruction *Res = FoldShiftByConstant(Op0, CUI, I))
return Res;
// X shift (A srem B) -> X shift (A and B-1) if B is a power of 2.
// X shift (A srem B) -> X shift (A and B-1) iff B is a power of 2.
// Because shifts by negative values (which could occur if A were negative)
// are undefined.
Value *A; const APInt *B;
@ -85,7 +85,7 @@ static bool CanEvaluateShifted(Value *V, unsigned NumBits, bool isLeftShift,
// TODO: Check that the input bits are already zero with MaskedValueIsZero
#if 0
// If this is a truncate of a logical shr, we can truncate it to a smaller
// lshr if we know that the bits we would otherwise be shifting in are
// lshr iff we know that the bits we would otherwise be shifting in are
// already zeros.
uint32_t OrigBitWidth = OrigTy->getScalarSizeInBits();
uint32_t BitWidth = Ty->getScalarSizeInBits();

4
lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
View File

@ -304,7 +304,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
// If all of the demanded bits are known to be zero on one side or the
// other, turn this into an *inclusive* or.
// e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0
// e.g. (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
if ((DemandedMask & ~RHSKnownZero & ~LHSKnownZero) == 0) {
Instruction *Or =
BinaryOperator::CreateOr(I->getOperand(0), I->getOperand(1),
@ -315,7 +315,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
// If all of the demanded bits on one side are known, and all of the set
// bits on that side are also known to be set on the other side, turn this
// into an AND, as we know the bits will be cleared.
// e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 if (C1&C2) == C2
// e.g. (X | C1) ^ C2 --> (X | C1) & ~C2 iff (C1&C2) == C2
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {
// all known
if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) {

4
lib/Transforms/InstCombine/InstructionCombining.cpp
View File

@ -1724,7 +1724,7 @@ Instruction *InstCombiner::visitLandingPadInst(LandingPadInst &LI) {
continue;
// At this point we know that LFilter has at least one element.
if (isa<ConstantAggregateZero>(LFilter)) { // LFilter only contains zeros.
// Filter is a subset of LFilter if Filter contains only zeros (as we
// Filter is a subset of LFilter iff Filter contains only zeros (as we
// already know that Filter is not longer than LFilter).
if (isa<ConstantAggregateZero>(Filter)) {
assert(FElts <= LElts && "Should have handled this case earlier!");
@ -1738,7 +1738,7 @@ Instruction *InstCombiner::visitLandingPadInst(LandingPadInst &LI) {
ConstantArray *LArray = cast<ConstantArray>(LFilter);
if (isa<ConstantAggregateZero>(Filter)) { // Filter only contains zeros.
// Since Filter is non-empty and contains only zeros, it is a subset of
// LFilter if LFilter contains a zero.
// LFilter iff LFilter contains a zero.
assert(FElts > 0 && "Should have eliminated the empty filter earlier!");
for (unsigned l = 0; l != LElts; ++l)
if (LArray->getOperand(l)->isNullValue()) {

2
lib/Transforms/Instrumentation/PathProfiling.cpp
View File

@ -469,7 +469,7 @@ void BLInstrumentationEdge::setIncrement(long increment) {
_increment = increment;
}
// True if the edge has already been instrumented.
// True iff the edge has already been instrumented.
bool BLInstrumentationEdge::hasInstrumentation() {
return(_hasInstrumentation);
}

2
lib/Transforms/Utils/AddrModeMatcher.cpp
View File

@ -201,7 +201,7 @@ bool AddressingModeMatcher::MatchOperationAddr(User *AddrInst, unsigned Opcode,
break;
}
//case Instruction::Or:
// TODO: We can handle "Or Val, Imm" if this OR is equivalent to an ADD.
// TODO: We can handle "Or Val, Imm" iff this OR is equivalent to an ADD.
//break;
case Instruction::Mul:
case Instruction::Shl: {

2
lib/Transforms/Utils/BreakCriticalEdges.cpp
View File

@ -104,7 +104,7 @@ bool llvm::isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum,
return I != E;
// If AllowIdenticalEdges is true, then we allow this edge to be considered
// non-critical if all preds come from TI's block.
// non-critical iff all preds come from TI's block.
while (I != E) {
const BasicBlock *P = *I;
if (P != FirstPred)

2
lib/Transforms/Vectorize/BBVectorize.cpp
View File

@ -557,7 +557,7 @@ namespace {
// Now we have a map of all of the pairable instructions and we need to
// select the best possible pairing. A good pairing is one such that the
// users of the pair are also paired. This defines a (directed) forest
// over the pairs such that two pairs are connected if the second pair
// over the pairs such that two pairs are connected iff the second pair
// uses the first.
// Note that it only matters that both members of the second pair use some

2
lib/VMCore/Dominators.cpp
View File

@ -193,7 +193,7 @@ bool DominatorTree::dominates(const BasicBlockEdge &BBE,
// . NormalDest
// .
//
// Given the definition of dominance, NormalDest is dominated by X if X
// Given the definition of dominance, NormalDest is dominated by X iff X
// dominates all of NormalDest's predecessors (X, B, C in the example). X
// trivially dominates itself, so we only have to find if it dominates the
// other predecessors. Since the only way out of X is via NormalDest, X can

2
lib/VMCore/Pass.cpp
View File

@ -258,7 +258,7 @@ namespace {
};
}
// setPreservesCFG - This function should be called to by the pass, if they do
// setPreservesCFG - This function should be called to by the pass, iff they do
// not:
//
// 1. Add or remove basic blocks from the function

2
lib/VMCore/PassManager.cpp
View File

@ -1700,7 +1700,7 @@ EnableTiming("time-passes", cl::location(TimePassesIsEnabled),
void TimingInfo::createTheTimeInfo() {
if (!TimePassesIsEnabled || TheTimeInfo) return;
// Constructed the first time this is called, if -time-passes is enabled.
// Constructed the first time this is called, iff -time-passes is enabled.
// This guarantees that the object will be constructed before static globals,
// thus it will be destroyed before them.
static ManagedStatic<TimingInfo> TTI;

2
lib/VMCore/Type.cpp
View File

@ -170,7 +170,7 @@ int Type::getFPMantissaWidth() const {
}
/// isSizedDerivedType - Derived types like structures and arrays are sized
/// if all of the members of the type are sized as well. Since asking for
/// iff all of the members of the type are sized as well. Since asking for
/// their size is relatively uncommon, move this operation out of line.
bool Type::isSizedDerivedType() const {
if (this->isIntegerTy())

2
projects/sample/autoconf/m4/libtool.m4 vendored
View File

@ -6082,7 +6082,7 @@ _LT_EOF
*)
# The compiler driver will combine linker options so we
# cannot just pass the convience library names through
# without $wl, if we do not link with $LD.
# without $wl, iff we do not link with $LD.
# Luckily, gcc supports the same syntax we need for Sun Studio.
# Supported since Solaris 2.6 (maybe 2.5.1?)
case $wlarc in

2
test/Instrumentation/AddressSanitizer/asan-vs-gvn.ll
View File

@ -1,5 +1,5 @@
; RUN: opt < %s -basicaa -gvn -asan -S | FileCheck %s
; ASAN conflicts with load widening if the widened load accesses data out of bounds
; ASAN conflicts with load widening iff the widened load accesses data out of bounds
; (while the original unwidened loads do not).
; http://code.google.com/p/address-sanitizer/issues/detail?id=20#c1

2
test/Transforms/InstCombine/add.ll
View File

@ -49,7 +49,7 @@ define i32 @test7(i32 %A) {
ret i32 %C
}
; (A & C1)+(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0
; (A & C1)+(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
define i32 @test8(i32 %A, i32 %B) {
%A1 = and i32 %A, 7 ; <i32> [#uses=1]
%B1 = and i32 %B, 128 ; <i32> [#uses=1]

4
test/Transforms/InstCombine/apint-xor1.ll
View File

@ -5,7 +5,7 @@
define i47 @test1(i47 %A, i47 %B) {
;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0
;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
%A1 = and i47 %A, 70368744177664
%B1 = and i47 %B, 70368744177661
%C1 = xor i47 %A1, %B1
@ -43,7 +43,7 @@ define i7 @test6(i7 %A) {
}
define i47 @test7(i47 %A) {
;; (A | C1) ^ C2 -> (A | C1) & ~C2 if (C1&C2) == C2
;; (A | C1) ^ C2 -> (A | C1) & ~C2 iff (C1&C2) == C2
%B1 = or i47 %A, 70368744177663
%C1 = xor i47 %B1, 703687463
ret i47 %C1

4
test/Transforms/InstCombine/apint-xor2.ll
View File

@ -6,7 +6,7 @@
define i447 @test1(i447 %A, i447 %B) {
;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) if C1&C2 == 0
;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
%A1 = and i447 %A, 70368744177664
%B1 = and i447 %B, 70368744177663
%C1 = xor i447 %A1, %B1
@ -44,7 +44,7 @@ define i77 @test6(i77 %A) {
}
define i1023 @test7(i1023 %A) {
;; (A | C1) ^ C2 -> (A | C1) & ~C2 if (C1&C2) == C2
;; (A | C1) ^ C2 -> (A | C1) & ~C2 iff (C1&C2) == C2
%B1 = or i1023 %A, 70368744177663
%C1 = xor i1023 %B1, 703687463
ret i1023 %C1

2
tools/bugpoint/CrashDebugger.cpp
View File

@ -48,7 +48,7 @@ namespace llvm {
public:
ReducePassList(BugDriver &bd) : BD(bd) {}
// doTest - Return true if running the "removed" passes succeeds, and
// doTest - Return true iff running the "removed" passes succeeds, and
// running the "Kept" passes fail when run on the output of the "removed"
// passes. If we return true, we update the current module of bugpoint.
//

2
utils/DSAextract.py
View File

@ -1,7 +1,7 @@
#! /usr/bin/python
#this is a script to extract given named nodes from a dot file, with
#the associated edges. An edge is kept if for edge x -> y
#the associated edges. An edge is kept iff for edge x -> y
# x and y are both nodes specified to be kept.
#known issues: if a line contains '->' and is not an edge line

2
utils/TableGen/CodeGenRegisters.cpp
View File

@ -532,7 +532,7 @@ CodeGenRegister::addSubRegsPreOrder(SetVector<const CodeGenRegister*> &OSet,
//
// Alternatively:
//
// overlap(A, B) if there exists:
// overlap(A, B) iff there exists:
// A' in { A, subregs(A) } and B' in { B, subregs(B) } such that:
// A' = B' or A' in aliases(B') or B' in aliases(A').
//

2
utils/TableGen/CodeGenRegisters.h
View File

@ -183,7 +183,7 @@ namespace llvm {
bool inheritRegUnits(CodeGenRegBank &RegBank);
// Adopt a register unit for pressure tracking.
// A unit is adopted if its unit number is >= NumNativeRegUnits.
// A unit is adopted iff its unit number is >= NumNativeRegUnits.
void adoptRegUnit(unsigned RUID) { RegUnits.push_back(RUID); }
// Get the sum of this register's register unit weights.

2
utils/unittest/googletest/gtest-death-test.cc
View File

@ -484,7 +484,7 @@ static ::std::string FormatDeathTestOutput(const ::std::string& output) {
// status_ok: true if exit_status is acceptable in the context of
// this particular death test, which fails if it is false
//
// Returns true if all of the above conditions are met. Otherwise, the
// Returns true iff all of the above conditions are met. Otherwise, the
// first failing condition, in the order given above, is the one that is
// reported. Also sets the last death test message string.
bool DeathTestImpl::Passed(bool status_ok) {

24
utils/unittest/googletest/gtest-port.cc
View File

@ -124,7 +124,7 @@ RE::~RE() {
free(const_cast<char*>(pattern_));
}
// Returns true if regular expression re matches the entire str.
// Returns true iff regular expression re matches the entire str.
bool RE::FullMatch(const char* str, const RE& re) {
if (!re.is_valid_) return false;
@ -132,7 +132,7 @@ bool RE::FullMatch(const char* str, const RE& re) {
return regexec(&re.full_regex_, str, 1, &match, 0) == 0;
}
// Returns true if regular expression re matches a substring of str
// Returns true iff regular expression re matches a substring of str
// (including str itself).
bool RE::PartialMatch(const char* str, const RE& re) {
if (!re.is_valid_) return false;
@ -173,13 +173,13 @@ void RE::Init(const char* regex) {
#elif GTEST_USES_SIMPLE_RE
// Returns true if ch appears anywhere in str (excluding the
// Returns true iff ch appears anywhere in str (excluding the
// terminating '\0' character).
bool IsInSet(char ch, const char* str) {
return ch != '\0' && strchr(str, ch) != NULL;
}
// Returns true if ch belongs to the given classification. Unlike
// Returns true iff ch belongs to the given classification. Unlike
// similar functions in <ctype.h>, these aren't affected by the
// current locale.
bool IsAsciiDigit(char ch) { return '0' <= ch && ch <= '9'; }
@ -193,12 +193,12 @@ bool IsAsciiWordChar(char ch) {
('0' <= ch && ch <= '9') || ch == '_';
}
// Returns true if "\\c" is a supported escape sequence.
// Returns true iff "\\c" is a supported escape sequence.
bool IsValidEscape(char c) {
return (IsAsciiPunct(c) || IsInSet(c, "dDfnrsStvwW"));
}
// Returns true if the given atom (specified by escaped and pattern)
// Returns true iff the given atom (specified by escaped and pattern)
// matches ch. The result is undefined if the atom is invalid.
bool AtomMatchesChar(bool escaped, char pattern_char, char ch) {
if (escaped) { // "\\p" where p is pattern_char.
@ -240,7 +240,7 @@ bool ValidateRegex(const char* regex) {
bool is_valid = true;
// True if ?, *, or + can follow the previous atom.
// True iff ?, *, or + can follow the previous atom.
bool prev_repeatable = false;
for (int i = 0; regex[i]; i++) {
if (regex[i] == '\\') { // An escape sequence
@ -316,7 +316,7 @@ bool MatchRepetitionAndRegexAtHead(
return false;
}
// Returns true if regex matches a prefix of str. regex must be a
// Returns true iff regex matches a prefix of str. regex must be a
// valid simple regular expression and not start with "^", or the
// result is undefined.
bool MatchRegexAtHead(const char* regex, const char* str) {
@ -347,7 +347,7 @@ bool MatchRegexAtHead(const char* regex, const char* str) {
}
}
// Returns true if regex matches any substring of str. regex must be
// Returns true iff regex matches any substring of str. regex must be
// a valid simple regular expression, or the result is undefined.
//
// The algorithm is recursive, but the recursion depth doesn't exceed
@ -377,12 +377,12 @@ RE::~RE() {
free(const_cast<char*>(full_pattern_));
}
// Returns true if regular expression re matches the entire str.
// Returns true iff regular expression re matches the entire str.
bool RE::FullMatch(const char* str, const RE& re) {
return re.is_valid_ && MatchRegexAnywhere(re.full_pattern_, str);
}
// Returns true if regular expression re matches a substring of str
// Returns true iff regular expression re matches a substring of str
// (including str itself).
bool RE::PartialMatch(const char* str, const RE& re) {
return re.is_valid_ && MatchRegexAnywhere(re.pattern_, str);
@ -707,7 +707,7 @@ bool ParseInt32(const Message& src_text, const char* str, Int32* value) {
// Reads and returns the Boolean environment variable corresponding to
// the given flag; if it's not set, returns default_value.
//
// The value is considered true if it's not "0".
// The value is considered true iff it's not "0".
bool BoolFromGTestEnv(const char* flag, bool default_value) {
const String env_var = FlagToEnvVar(flag);
const char* const string_value = posix::GetEnv(env_var.c_str());

68
utils/unittest/googletest/gtest.cc
View File

@ -173,7 +173,7 @@ namespace internal {
// stack trace.
const char kStackTraceMarker[] = "\nStack trace:\n";
// g_help_flag is true if the --help flag or an equivalent form is
// g_help_flag is true iff the --help flag or an equivalent form is
// specified on the command line.
bool g_help_flag = false;
@ -187,12 +187,12 @@ GTEST_DEFINE_bool_(
GTEST_DEFINE_bool_(
break_on_failure,
internal::BoolFromGTestEnv("break_on_failure", false),
"True if a failed assertion should be a debugger break-point.");
"True iff a failed assertion should be a debugger break-point.");
GTEST_DEFINE_bool_(
catch_exceptions,
internal::BoolFromGTestEnv("catch_exceptions", true),
"True if " GTEST_NAME_
"True iff " GTEST_NAME_
" should catch exceptions and treat them as test failures.");
GTEST_DEFINE_string_(
@ -230,7 +230,7 @@ GTEST_DEFINE_string_(
GTEST_DEFINE_bool_(
print_time,
internal::BoolFromGTestEnv("print_time", true),
"True if " GTEST_NAME_
"True iff " GTEST_NAME_
" should display elapsed time in text output.");
GTEST_DEFINE_int32_(
@ -247,13 +247,13 @@ GTEST_DEFINE_int32_(
GTEST_DEFINE_bool_(
show_internal_stack_frames, false,
"True if " GTEST_NAME_ " should include internal stack frames when "
"True iff " GTEST_NAME_ " should include internal stack frames when "
"printing test failure stack traces.");
GTEST_DEFINE_bool_(
shuffle,
internal::BoolFromGTestEnv("shuffle", false),
"True if " GTEST_NAME_
"True iff " GTEST_NAME_
" should randomize tests' order on every run.");
GTEST_DEFINE_int32_(
@ -297,7 +297,7 @@ UInt32 Random::Generate(UInt32 range) {
return state_ % range;
}
// GTestIsInitialized() returns true if the user has initialized
// GTestIsInitialized() returns true iff the user has initialized
// Google Test. Useful for catching the user mistake of not initializing
// Google Test before calling RUN_ALL_TESTS().
//
@ -320,17 +320,17 @@ static int SumOverTestCaseList(const std::vector<TestCase*>& case_list,
return sum;
}
// Returns true if the test case passed.
// Returns true iff the test case passed.
static bool TestCasePassed(const TestCase* test_case) {
return test_case->should_run() && test_case->Passed();
}
// Returns true if the test case failed.
// Returns true iff the test case failed.
static bool TestCaseFailed(const TestCase* test_case) {
return test_case->should_run() && test_case->Failed();
}
// Returns true if test_case contains at least one test that should
// Returns true iff test_case contains at least one test that should
// run.
static bool ShouldRunTestCase(const TestCase* test_case) {
return test_case->should_run();
@ -425,7 +425,7 @@ String UnitTestOptions::GetAbsolutePathToOutputFile() {
return result.ToString();
}
// Returns true if the wildcard pattern matches the string. The
// Returns true iff the wildcard pattern matches the string. The
// first ':' or '\0' character in pattern marks the end of it.
//
// This recursive algorithm isn't very efficient, but is clear and
@ -469,7 +469,7 @@ bool UnitTestOptions::MatchesFilter(const String& name, const char* filter) {
// TODO(keithray): move String function implementations to gtest-string.cc.
// Returns true if the user-specified filter matches the test case
// Returns true iff the user-specified filter matches the test case
// name and the test name.
bool UnitTestOptions::FilterMatchesTest(const String &test_case_name,
const String &test_name) {
@ -887,7 +887,7 @@ const char* String::Utf16ToAnsi(LPCWSTR utf16_str) {
#endif // GTEST_OS_WINDOWS_MOBILE
// Compares two C strings. Returns true if they have the same content.
// Compares two C strings. Returns true iff they have the same content.
//
// Unlike strcmp(), this function can handle NULL argument(s). A NULL
// C string is considered different to any non-NULL C string,
@ -992,7 +992,7 @@ namespace internal {
// expected_value: "5"
// actual_value: "6"
//
// The ignoring_case parameter is true if the assertion is a
// The ignoring_case parameter is true iff the assertion is a
// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will
// be inserted into the message.
AssertionResult EqFailure(const char* expected_expression,
@ -1224,7 +1224,7 @@ namespace {
// Helper functions for implementing IsSubString() and IsNotSubstring().
// This group of overloaded functions return true if needle is a
// This group of overloaded functions return true iff needle is a
// substring of haystack. NULL is considered a substring of itself
// only.
@ -1542,7 +1542,7 @@ String String::ShowWideCStringQuoted(const wchar_t* wide_c_str) {
String::ShowWideCString(wide_c_str).c_str());
}
// Compares two wide C strings. Returns true if they have the same
// Compares two wide C strings. Returns true iff they have the same
// content.
//
// Unlike wcscmp(), this function can handle NULL argument(s). A NULL
@ -1587,7 +1587,7 @@ AssertionResult CmpHelperSTRNE(const char* s1_expression,
<< " vs " << String::ShowWideCStringQuoted(s2);
}
// Compares two C strings, ignoring case. Returns true if they have
// Compares two C strings, ignoring case. Returns true iff they have
// the same content.
//
// Unlike strcasecmp(), this function can handle NULL argument(s). A
@ -1601,7 +1601,7 @@ bool String::CaseInsensitiveCStringEquals(const char * lhs, const char * rhs) {
return posix::StrCaseCmp(lhs, rhs) == 0;
}
// Compares two wide C strings, ignoring case. Returns true if they
// Compares two wide C strings, ignoring case. Returns true iff they
// have the same content.
//
// Unlike wcscasecmp(), this function can handle NULL argument(s).
@ -1661,7 +1661,7 @@ int String::Compare(const String & rhs) const {
(length() > rhs.length()) ? 1 : 0;
}
// Returns true if this String ends with the given suffix. *Any*
// Returns true iff this String ends with the given suffix. *Any*
// String is considered to end with a NULL or empty suffix.
bool String::EndsWith(const char* suffix) const {
if (suffix == NULL || CStringEquals(suffix, "")) return true;
@ -1674,7 +1674,7 @@ bool String::EndsWith(const char* suffix) const {
CStringEquals(c_str() + this_len - suffix_len, suffix);
}
// Returns true if this String ends with the given suffix, ignoring case.
// Returns true iff this String ends with the given suffix, ignoring case.
// Any String is considered to end with a NULL or empty suffix.
bool String::EndsWithCaseInsensitive(const char* suffix) const {
if (suffix == NULL || CStringEquals(suffix, "")) return true;
@ -1849,7 +1849,7 @@ void TestResult::Clear() {
elapsed_time_ = 0;
}
// Returns true if the test failed.
// Returns true iff the test failed.
bool TestResult::Failed() const {
for (int i = 0; i < total_part_count(); ++i) {
if (GetTestPartResult(i).failed())
@ -1858,22 +1858,22 @@ bool TestResult::Failed() const {
return false;
}
// Returns true if the test part fatally failed.
// Returns true iff the test part fatally failed.
static bool TestPartFatallyFailed(const TestPartResult& result) {
return result.fatally_failed();
}
// Returns true if the test fatally failed.
// Returns true iff the test fatally failed.
bool TestResult::HasFatalFailure() const {
return CountIf(test_part_results_, TestPartFatallyFailed) > 0;
}
// Returns true if the test part non-fatally failed.
// Returns true iff the test part non-fatally failed.
static bool TestPartNonfatallyFailed(const TestPartResult& result) {
return result.nonfatally_failed();
}
// Returns true if the test has a non-fatal failure.
// Returns true iff the test has a non-fatal failure.
bool TestResult::HasNonfatalFailure() const {
return CountIf(test_part_results_, TestPartNonfatallyFailed) > 0;
}
@ -2170,12 +2170,12 @@ void Test::Run() {
this, &Test::TearDown, "TearDown()");
}
// Returns true if the current test has a fatal failure.
// Returns true iff the current test has a fatal failure.
bool Test::HasFatalFailure() {
return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure();
}
// Returns true if the current test has a non-fatal failure.
// Returns true iff the current test has a non-fatal failure.
bool Test::HasNonfatalFailure() {
return internal::GetUnitTestImpl()->current_test_result()->
HasNonfatalFailure();
@ -2553,7 +2553,7 @@ const char* GetAnsiColorCode(GTestColor color) {
#endif // GTEST_OS_WINDOWS && !GTEST_OS_WINDOWS_MOBILE
// Returns true if Google Test should use colors in the output.
// Returns true iff Google Test should use colors in the output.
bool ShouldUseColor(bool stdout_is_tty) {
const char* const gtest_color = GTEST_FLAG(color).c_str();
@ -3668,10 +3668,10 @@ internal::TimeInMillis UnitTest::elapsed_time() const {
return impl()->elapsed_time();
}
// Returns true if the unit test passed (i.e. all test cases passed).
// Returns true iff the unit test passed (i.e. all test cases passed).
bool UnitTest::Passed() const { return impl()->Passed(); }
// Returns true if the unit test failed (i.e. some test case failed
// Returns true iff the unit test failed (i.e. some test case failed
// or something outside of all tests failed).
bool UnitTest::Failed() const { return impl()->Failed(); }
@ -4040,7 +4040,7 @@ class TestCaseNameIs {
explicit TestCaseNameIs(const String& name)
: name_(name) {}
// Returns true if the name of test_case matches name_.
// Returns true iff the name of test_case matches name_.
bool operator()(const TestCase* test_case) const {
return test_case != NULL && strcmp(test_case->name(), name_.c_str()) == 0;
}
@ -4132,7 +4132,7 @@ bool UnitTestImpl::RunAllTests() {
// protocol.
internal::WriteToShardStatusFileIfNeeded();
// True if we are in a subprocess for running a thread-safe-style
// True iff we are in a subprocess for running a thread-safe-style
// death test.
bool in_subprocess_for_death_test = false;
@ -4159,7 +4159,7 @@ bool UnitTestImpl::RunAllTests() {
random_seed_ = GTEST_FLAG(shuffle) ?
GetRandomSeedFromFlag(GTEST_FLAG(random_seed)) : 0;
// True if at least one test has failed.
// True iff at least one test has failed.
bool failed = false;
TestEventListener* repeater = listeners()->repeater();
@ -4328,7 +4328,7 @@ Int32 Int32FromEnvOrDie(const char* var, Int32 default_val) {
}
// Given the total number of shards, the shard index, and the test id,
// returns true if the test should be run on this shard. The test id is
// returns true iff the test should be run on this shard. The test id is
// some arbitrary but unique non-negative integer assigned to each test
// method. Assumes that 0 <= shard_index < total_shards.
bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {

8
utils/unittest/googletest/include/gtest/gtest-test-part.h
View File

@ -85,16 +85,16 @@ class GTEST_API_ TestPartResult {
// Gets the message associated with the test part.
const char* message() const { return message_.c_str(); }
// Returns true if the test part passed.
// Returns true iff the test part passed.
bool passed() const { return type_ == kSuccess; }
// Returns true if the test part failed.
// Returns true iff the test part failed.
bool failed() const { return type_ != kSuccess; }
// Returns true if the test part non-fatally failed.
// Returns true iff the test part non-fatally failed.
bool nonfatally_failed() const { return type_ == kNonFatalFailure; }
// Returns true if the test part fatally failed.
// Returns true iff the test part fatally failed.
bool fatally_failed() const { return type_ == kFatalFailure; }
private:
Type type_;

42
utils/unittest/googletest/include/gtest/gtest.h
View File

@ -270,7 +270,7 @@ class GTEST_API_ AssertionResult {
// Used in the EXPECT_TRUE/FALSE(bool_expression).
explicit AssertionResult(bool success) : success_(success) {}
// Returns true if the assertion succeeded.
// Returns true iff the assertion succeeded.
operator bool() const { return success_; } // NOLINT
// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE.
@ -381,13 +381,13 @@ class GTEST_API_ Test {
// class.
static void TearDownTestCase() {}
// Returns true if the current test has a fatal failure.
// Returns true iff the current test has a fatal failure.
static bool HasFatalFailure();
// Returns true if the current test has a non-fatal failure.
// Returns true iff the current test has a non-fatal failure.
static bool HasNonfatalFailure();
// Returns true if the current test has a (either fatal or
// Returns true iff the current test has a (either fatal or
// non-fatal) failure.
static bool HasFailure() { return HasFatalFailure() || HasNonfatalFailure(); }
@ -417,7 +417,7 @@ class GTEST_API_ Test {
virtual void TearDown();
private:
// Returns true if the current test has the same fixture class as
// Returns true iff the current test has the same fixture class as
// the first test in the current test case.
static bool HasSameFixtureClass();
@ -520,16 +520,16 @@ class GTEST_API_ TestResult {
// Returns the number of the test properties.
int test_property_count() const;
// Returns true if the test passed (i.e. no test part failed).
// Returns true iff the test passed (i.e. no test part failed).
bool Passed() const { return !Failed(); }
// Returns true if the test failed.
// Returns true iff the test failed.
bool Failed() const;
// Returns true if the test fatally failed.
// Returns true iff the test fatally failed.
bool HasFatalFailure() const;
// Returns true if the test has a non-fatal failure.
// Returns true iff the test has a non-fatal failure.
bool HasNonfatalFailure() const;
// Returns the elapsed time, in milliseconds.
@ -720,8 +720,8 @@ class GTEST_API_ TestInfo {
// value-parameterized test.
const internal::scoped_ptr<const ::std::string> value_param_;
const internal::TypeId fixture_class_id_; // ID of the test fixture class
bool should_run_; // True if this test should run
bool is_disabled_; // True if this test is disabled
bool should_run_; // True iff this test should run
bool is_disabled_; // True iff this test is disabled
bool matches_filter_; // True if this test matches the
// user-specified filter.
internal::TestFactoryBase* const factory_; // The factory that creates
@ -787,10 +787,10 @@ class GTEST_API_ TestCase {
// Gets the number of all tests in this test case.
int total_test_count() const;
// Returns true if the test case passed.
// Returns true iff the test case passed.
bool Passed() const { return !Failed(); }
// Returns true if the test case failed.
// Returns true iff the test case failed.
bool Failed() const { return failed_test_count() > 0; }
// Returns the elapsed time, in milliseconds.
@ -842,17 +842,17 @@ class GTEST_API_ TestCase {
// needed for catching exceptions thrown from TearDownTestCase().
void RunTearDownTestCase() { (*tear_down_tc_)(); }
// Returns true if test passed.
// Returns true iff test passed.
static bool TestPassed(const TestInfo* test_info) {
return test_info->should_run() && test_info->result()->Passed();
}
// Returns true if test failed.
// Returns true iff test failed.
static bool TestFailed(const TestInfo* test_info) {
return test_info->should_run() && test_info->result()->Failed();
}
// Returns true if test is disabled.
// Returns true iff test is disabled.
static bool TestDisabled(const TestInfo* test_info) {
return test_info->is_disabled_;
}
@ -884,7 +884,7 @@ class GTEST_API_ TestCase {
Test::SetUpTestCaseFunc set_up_tc_;
// Pointer to the function that tears down the test case.
Test::TearDownTestCaseFunc tear_down_tc_;
// True if any test in this test case should run.
// True iff any test in this test case should run.
bool should_run_;
// Elapsed time, in milliseconds.
TimeInMillis elapsed_time_;
@ -1155,10 +1155,10 @@ class GTEST_API_ UnitTest {
// Gets the elapsed time, in milliseconds.
TimeInMillis elapsed_time() const;
// Returns true if the unit test passed (i.e. all test cases passed).
// Returns true iff the unit test passed (i.e. all test cases passed).
bool Passed() const;
// Returns true if the unit test failed (i.e. some test case failed
// Returns true iff the unit test failed (i.e. some test case failed
// or something outside of all tests failed).
bool Failed() const;
@ -1339,7 +1339,7 @@ GTEST_API_ AssertionResult CmpHelperEQ(const char* expected_expression,
BiggestInt actual);
// The helper class for {ASSERT|EXPECT}_EQ. The template argument
// lhs_is_null_literal is true if the first argument to ASSERT_EQ()
// lhs_is_null_literal is true iff the first argument to ASSERT_EQ()
// is a null pointer literal. The following default implementation is
// for lhs_is_null_literal being false.
template <bool lhs_is_null_literal>
@ -2043,7 +2043,7 @@ GTEST_API_ AssertionResult DoubleLE(const char* expr1, const char* expr2,
__FILE__, __LINE__, ::testing::Message() << (message))
// Compile-time assertion for type equality.
// StaticAssertTypeEq<type1, type2>() compiles if type1 and type2 are
// StaticAssertTypeEq<type1, type2>() compiles iff type1 and type2 are
// the same type. The value it returns is not interesting.
//
// Instead of making StaticAssertTypeEq a class template, we make it a

4
utils/unittest/googletest/include/gtest/internal/gtest-death-test-internal.h
View File

@ -256,7 +256,7 @@ InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag();
// This macro is used for implementing macros such as
// EXPECT_DEATH_IF_SUPPORTED and ASSERT_DEATH_IF_SUPPORTED on systems where
// death tests are not supported. Those macros must compile on such systems
// if EXPECT_DEATH and ASSERT_DEATH compile with the same parameters on
// iff EXPECT_DEATH and ASSERT_DEATH compile with the same parameters on
// systems that support death tests. This allows one to write such a macro
// on a system that does not support death tests and be sure that it will
// compile on a death-test supporting system.
@ -266,7 +266,7 @@ InternalRunDeathTestFlag* ParseInternalRunDeathTestFlag();
// for program termination. This macro has to make sure this
// statement is compiled but not executed, to ensure that
// EXPECT_DEATH_IF_SUPPORTED compiles with a certain
// parameter if EXPECT_DEATH compiles with it.
// parameter iff EXPECT_DEATH compiles with it.
// regex - A regex that a macro such as EXPECT_DEATH would use to test
// the output of statement. This parameter has to be
// compiled but not evaluated by this macro, to ensure that

2
utils/unittest/googletest/include/gtest/internal/gtest-filepath.h
View File

@ -111,7 +111,7 @@ class GTEST_API_ FilePath {
const FilePath& base_name,
const char* extension);
// Returns true if the path is NULL or "".
// Returns true iff the path is NULL or "".
bool IsEmpty() const { return c_str() == NULL || *c_str() == '\0'; }
// If input name has a trailing separator character, removes it and returns

20
utils/unittest/googletest/include/gtest/internal/gtest-internal-inl.h
View File

@ -37,7 +37,7 @@
#ifndef GTEST_SRC_GTEST_INTERNAL_INL_H_
#define GTEST_SRC_GTEST_INTERNAL_INL_H_
// GTEST_IMPLEMENTATION_ is defined to 1 if the current translation unit is
// GTEST_IMPLEMENTATION_ is defined to 1 iff the current translation unit is
// part of Google Test's implementation; otherwise it's undefined.
#if !GTEST_IMPLEMENTATION_
// A user is trying to include this from his code - just say no.
@ -99,14 +99,14 @@ const char kThrowOnFailureFlag[] = "throw_on_failure";
// A valid random seed must be in [1, kMaxRandomSeed].
const int kMaxRandomSeed = 99999;
// g_help_flag is true if the --help flag or an equivalent form is
// g_help_flag is true iff the --help flag or an equivalent form is
// specified on the command line.
GTEST_API_ extern bool g_help_flag;
// Returns the current time in milliseconds.
GTEST_API_ TimeInMillis GetTimeInMillis();
// Returns true if Google Test should use colors in the output.
// Returns true iff Google Test should use colors in the output.
GTEST_API_ bool ShouldUseColor(bool stdout_is_tty);
// Formats the given time in milliseconds as seconds.
@ -258,7 +258,7 @@ GTEST_API_ bool ShouldShard(const char* total_shards_str,
GTEST_API_ Int32 Int32FromEnvOrDie(const char* env_var, Int32 default_val);
// Given the total number of shards, the shard index, and the test id,
// returns true if the test should be run on this shard. The test id is
// returns true iff the test should be run on this shard. The test id is
// some arbitrary but unique non-negative integer assigned to each test
// method. Assumes that 0 <= shard_index < total_shards.
GTEST_API_ bool ShouldRunTestOnShard(
@ -341,7 +341,7 @@ class TestPropertyKeyIs {
explicit TestPropertyKeyIs(const char* key)
: key_(key) {}
// Returns true if the test name of test property matches on key_.
// Returns true iff the test name of test property matches on key_.
bool operator()(const TestProperty& test_property) const {
return String(test_property.key()).Compare(key_) == 0;
}
@ -374,14 +374,14 @@ class GTEST_API_ UnitTestOptions {
// Functions for processing the gtest_filter flag.
// Returns true if the wildcard pattern matches the string. The
// Returns true iff the wildcard pattern matches the string. The
// first ':' or '\0' character in pattern marks the end of it.
//
// This recursive algorithm isn't very efficient, but is clear and
// works well enough for matching test names, which are short.
static bool PatternMatchesString(const char *pattern, const char *str);
// Returns true if the user-specified filter matches the test case
// Returns true iff the user-specified filter matches the test case
// name and the test name.
static bool FilterMatchesTest(const String &test_case_name,
const String &test_name);
@ -550,10 +550,10 @@ class GTEST_API_ UnitTestImpl {
// Gets the elapsed time, in milliseconds.
TimeInMillis elapsed_time() const { return elapsed_time_; }
// Returns true if the unit test passed (i.e. all test cases passed).
// Returns true iff the unit test passed (i.e. all test cases passed).
bool Passed() const { return !Failed(); }
// Returns true if the unit test failed (i.e. some test case failed
// Returns true iff the unit test failed (i.e. some test case failed
// or something outside of all tests failed).
bool Failed() const {
return failed_test_case_count() > 0 || ad_hoc_test_result()->Failed();
@ -870,7 +870,7 @@ class GTEST_API_ UnitTestImpl {
// desired.
OsStackTraceGetterInterface* os_stack_trace_getter_;
// True if PostFlagParsingInit() has been called.
// True iff PostFlagParsingInit() has been called.
bool post_flag_parse_init_performed_;
// The random number seed used at the beginning of the test run.

12
utils/unittest/googletest/include/gtest/internal/gtest-internal.h
View File

@ -287,7 +287,7 @@ GTEST_FORMAT_CHAR_PTR_IMPL_(const wchar_t)
// expected_value: "5"
// actual_value: "6"
//
// The ignoring_case parameter is true if the assertion is a
// The ignoring_case parameter is true iff the assertion is a
// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will
// be inserted into the message.
GTEST_API_ AssertionResult EqFailure(const char* expected_expression,
@ -413,14 +413,14 @@ class FloatingPoint {
// Returns the sign bit of this number.
Bits sign_bit() const { return kSignBitMask & u_.bits_; }
// Returns true if this is NAN (not a number).
// Returns true iff this is NAN (not a number).
bool is_nan() const {
// It's a NAN if the exponent bits are all ones and the fraction
// bits are not entirely zeros.
return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0);
}
// Returns true if this number is at most kMaxUlps ULP's away from
// Returns true iff this number is at most kMaxUlps ULP's away from
// rhs. In particular, this function:
//
// - returns false if either number is (or both are) NAN.
@ -784,7 +784,7 @@ class GTEST_API_ Random {
};
// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a
// compiler error if T1 and T2 are different types.
// compiler error iff T1 and T2 are different types.
template <typename T1, typename T2>
struct CompileAssertTypesEqual;
@ -860,7 +860,7 @@ struct AddReference<T&> { typedef T& type; }; // NOLINT
GTEST_ADD_REFERENCE_(const GTEST_REMOVE_REFERENCE_(T))
// ImplicitlyConvertible<From, To>::value is a compile-time bool
// constant that's true if type From can be implicitly converted to
// constant that's true iff type From can be implicitly converted to
// type To.
template <typename From, typename To>
class ImplicitlyConvertible {
@ -913,7 +913,7 @@ template <typename From, typename To>
const bool ImplicitlyConvertible<From, To>::value;
// IsAProtocolMessage<T>::value is a compile-time bool constant that's
// true if T is type ProtocolMessage, proto2::Message, or a subclass
// true iff T is type ProtocolMessage, proto2::Message, or a subclass
// of those.
template <typename T>
struct IsAProtocolMessage

16
utils/unittest/googletest/include/gtest/internal/gtest-port.h
View File

@ -266,7 +266,7 @@
# include <io.h>
#endif
// Defines this to true if Google Test can use POSIX regular expressions.
// Defines this to true iff Google Test can use POSIX regular expressions.
#ifndef GTEST_HAS_POSIX_RE
# define GTEST_HAS_POSIX_RE (!GTEST_OS_WINDOWS)
#endif
@ -307,7 +307,7 @@
# endif // _HAS_EXCEPTIONS
# define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
# elif defined(__GNUC__) && __EXCEPTIONS
// gcc defines __EXCEPTIONS to 1 if exceptions are enabled.
// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled.
# define GTEST_HAS_EXCEPTIONS 1
# elif defined(__SUNPRO_CC)
// Sun Pro CC supports exceptions. However, there is no compile-time way of
@ -315,7 +315,7 @@
// they are enabled unless the user tells us otherwise.
# define GTEST_HAS_EXCEPTIONS 1
# elif defined(__IBMCPP__) && __EXCEPTIONS
// xlC defines __EXCEPTIONS to 1 if exceptions are enabled.
// xlC defines __EXCEPTIONS to 1 iff exceptions are enabled.
# define GTEST_HAS_EXCEPTIONS 1
# elif defined(__HP_aCC)
// Exception handling is in effect by default in HP aCC compiler. It has to
@ -374,13 +374,13 @@
# ifdef _MSC_VER
# ifdef _CPPRTTI // MSVC defines this macro if RTTI is enabled.
# ifdef _CPPRTTI // MSVC defines this macro iff RTTI is enabled.
# define GTEST_HAS_RTTI 1
# else
# define GTEST_HAS_RTTI 0
# endif
// Starting with version 4.3.2, gcc defines __GXX_RTTI if RTTI is enabled.
// Starting with version 4.3.2, gcc defines __GXX_RTTI iff RTTI is enabled.
# elif defined(__GNUC__) && (GTEST_GCC_VER_ >= 40302)
# ifdef __GXX_RTTI
@ -832,9 +832,9 @@ class GTEST_API_ RE {
// Returns the string representation of the regex.
const char* pattern() const { return pattern_; }
// FullMatch(str, re) returns true if regular expression re matches
// FullMatch(str, re) returns true iff regular expression re matches
// the entire str.
// PartialMatch(str, re) returns true if regular expression re
// PartialMatch(str, re) returns true iff regular expression re
// matches a substring of str (including str itself).
//
// TODO(wan@google.com): make FullMatch() and PartialMatch() work
@ -1181,7 +1181,7 @@ class ThreadWithParam : public ThreadWithParamBase {
// When non-NULL, used to block execution until the controller thread
// notifies.
Notification* const thread_can_start_;
bool finished_; // true if we know that the thread function has finished.
bool finished_; // true iff we know that the thread function has finished.
pthread_t thread_; // The native thread object.
GTEST_DISALLOW_COPY_AND_ASSIGN_(ThreadWithParam);

20
utils/unittest/googletest/include/gtest/internal/gtest-string.h
View File

@ -126,7 +126,7 @@ class GTEST_API_ String {
static const char* Utf16ToAnsi(LPCWSTR utf16_str);
#endif
// Compares two C strings. Returns true if they have the same content.
// Compares two C strings. Returns true iff they have the same content.
//
// Unlike strcmp(), this function can handle NULL argument(s). A
// NULL C string is considered different to any non-NULL C string,
@ -143,7 +143,7 @@ class GTEST_API_ String {
// the converted string in double quotes.
static String ShowWideCStringQuoted(const wchar_t* wide_c_str);
// Compares two wide C strings. Returns true if they have the same
// Compares two wide C strings. Returns true iff they have the same
// content.
//
// Unlike wcscmp(), this function can handle NULL argument(s). A
@ -151,7 +151,7 @@ class GTEST_API_ String {
// including the empty string.
static bool WideCStringEquals(const wchar_t* lhs, const wchar_t* rhs);
// Compares two C strings, ignoring case. Returns true if they
// Compares two C strings, ignoring case. Returns true iff they
// have the same content.
//
// Unlike strcasecmp(), this function can handle NULL argument(s).
@ -160,7 +160,7 @@ class GTEST_API_ String {
static bool CaseInsensitiveCStringEquals(const char* lhs,
const char* rhs);
// Compares two wide C strings, ignoring case. Returns true if they
// Compares two wide C strings, ignoring case. Returns true iff they
// have the same content.
//
// Unlike wcscasecmp(), this function can handle NULL argument(s).
@ -237,7 +237,7 @@ class GTEST_API_ String {
operator ::string() const { return ::string(c_str(), length()); }
#endif // GTEST_HAS_GLOBAL_STRING
// Returns true if this is an empty string (i.e. "").
// Returns true iff this is an empty string (i.e. "").
bool empty() const { return (c_str() != NULL) && (length() == 0); }
// Compares this with another String.
@ -245,23 +245,23 @@ class GTEST_API_ String {
// if this is greater than rhs.
int Compare(const String& rhs) const;
// Returns true if this String equals the given C string. A NULL
// Returns true iff this String equals the given C string. A NULL
// string and a non-NULL string are considered not equal.
bool operator==(const char* a_c_str) const { return Compare(a_c_str) == 0; }
// Returns true if this String is less than the given String. A
// Returns true iff this String is less than the given String. A
// NULL string is considered less than "".
bool operator<(const String& rhs) const { return Compare(rhs) < 0; }
// Returns true if this String doesn't equal the given C string. A NULL
// Returns true iff this String doesn't equal the given C string. A NULL
// string and a non-NULL string are considered not equal.
bool operator!=(const char* a_c_str) const { return !(*this == a_c_str); }
// Returns true if this String ends with the given suffix. *Any*
// Returns true iff this String ends with the given suffix. *Any*
// String is considered to end with a NULL or empty suffix.
bool EndsWith(const char* suffix) const;
// Returns true if this String ends with the given suffix, not considering
// Returns true iff this String ends with the given suffix, not considering
// case. Any String is considered to end with a NULL or empty suffix.
bool EndsWithCaseInsensitive(const char* suffix) const;

2
utils/unittest/googletest/include/gtest/internal/gtest-tuple.h
View File

@ -135,7 +135,7 @@ struct AddRef<T&> { typedef T& type; }; // NOLINT
template <int k> class Get;
// A helper for implementing tuple_element<k, T>. kIndexValid is true
// if k < the number of fields in tuple type T.
// iff k < the number of fields in tuple type T.
template <bool kIndexValid, int kIndex, class Tuple>
struct TupleElement;

2
utils/unittest/googletest/include/gtest/internal/gtest-type-util.h
View File

@ -90,7 +90,7 @@ String GetTypeName() {
#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
// AssertyTypeEq<T1, T2>::type is defined if T1 and T2 are the same
// AssertyTypeEq<T1, T2>::type is defined iff T1 and T2 are the same
// type. This can be used as a compile-time assertion to ensure that
// two types are equal.