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[APInt] Move the single word cases of the bitwise operators inline. 

llvm-svn: 298894
This commit is contained in:
Craig Topper 2017-03-28 04:00:47 +00:00
parent c4a1908681
commit f496f9a273
2 changed files with 36 additions and 21 deletions
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36
llvm/include/llvm/ADT/APInt.h
View File

@ -220,6 +220,15 @@ class LLVM_NODISCARD APInt {
/// out-of-line slow case for flipAllBits.
void flipAllBitsSlowCase();
/// out-of-line slow case for operator&=.
APInt& AndAssignSlowCase(const APInt& RHS);
/// out-of-line slow case for operator|=.
APInt& OrAssignSlowCase(const APInt& RHS);
/// out-of-line slow case for operator^=.
APInt& XorAssignSlowCase(const APInt& RHS);
public:
/// \name Constructors
/// @{
@ -693,7 +702,14 @@ public:
/// assigned to *this.
///
/// \returns *this after ANDing with RHS.
APInt &operator&=(const APInt &RHS);
APInt &operator&=(const APInt &RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL &= RHS.VAL;
return *this;
}
return AndAssignSlowCase(RHS);
}
/// \brief Bitwise AND assignment operator.
///
@ -716,7 +732,14 @@ public:
/// assigned *this;
///
/// \returns *this after ORing with RHS.
APInt &operator|=(const APInt &RHS);
APInt &operator|=(const APInt &RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL |= RHS.VAL;
return *this;
}
return OrAssignSlowCase(RHS);
}
/// \brief Bitwise OR assignment operator.
///
@ -739,7 +762,14 @@ public:
/// assigned to *this.
///
/// \returns *this after XORing with RHS.
APInt &operator^=(const APInt &RHS);
APInt &operator^=(const APInt &RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL ^= RHS.VAL;
return *this;
}
return XorAssignSlowCase(RHS);
}
/// \brief Bitwise XOR assignment operator.
///

21
llvm/lib/Support/APInt.cpp
View File

@ -406,36 +406,21 @@ APInt& APInt::operator*=(const APInt& RHS) {
return *this;
}
APInt& APInt::operator&=(const APInt& RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL &= RHS.VAL;
return *this;
}
APInt& APInt::AndAssignSlowCase(const APInt& RHS) {
unsigned numWords = getNumWords();
for (unsigned i = 0; i < numWords; ++i)
pVal[i] &= RHS.pVal[i];
return *this;
}
APInt& APInt::operator|=(const APInt& RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL |= RHS.VAL;
return *this;
}
APInt& APInt::OrAssignSlowCase(const APInt& RHS) {
unsigned numWords = getNumWords();
for (unsigned i = 0; i < numWords; ++i)
pVal[i] |= RHS.pVal[i];
return *this;
}
APInt& APInt::operator^=(const APInt& RHS) {
assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
if (isSingleWord()) {
VAL ^= RHS.VAL;
return *this;
}
APInt& APInt::XorAssignSlowCase(const APInt& RHS) {
unsigned numWords = getNumWords();
for (unsigned i = 0; i < numWords; ++i)
pVal[i] ^= RHS.pVal[i];