Don't pass StringRef by reference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108366 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 10 insertions, 11 deletions

diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index 485bf4d6c9..2e78557011 100644
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -761,7 +761,7 @@ APFloat::APFloat(const fltSemantics &ourSemantics,
     makeNaN();
 }
 
-APFloat::APFloat(const fltSemantics &ourSemantics, const StringRef& text)
+APFloat::APFloat(const fltSemantics &ourSemantics, StringRef text)
 {
   assertArithmeticOK(ourSemantics);
   initialize(&ourSemantics);
@@ -2185,8 +2185,7 @@ APFloat::convertFromZeroExtendedInteger(const integerPart *parts,
 }
 
 APFloat::opStatus
-APFloat::convertFromHexadecimalString(const StringRef &s,
-                                      roundingMode rounding_mode)
+APFloat::convertFromHexadecimalString(StringRef s, roundingMode rounding_mode)
 {
   lostFraction lost_fraction = lfExactlyZero;
   integerPart *significand;
@@ -2361,7 +2360,7 @@ APFloat::roundSignificandWithExponent(const integerPart *decSigParts,
 }
 
 APFloat::opStatus
-APFloat::convertFromDecimalString(const StringRef &str, roundingMode rounding_mode)
+APFloat::convertFromDecimalString(StringRef str, roundingMode rounding_mode)
 {
   decimalInfo D;
   opStatus fs;
@@ -2471,7 +2470,7 @@ APFloat::convertFromDecimalString(const StringRef &str, roundingMode rounding_mo
 }
 
 APFloat::opStatus
-APFloat::convertFromString(const StringRef &str, roundingMode rounding_mode)
+APFloat::convertFromString(StringRef str, roundingMode rounding_mode)
 {
   assertArithmeticOK(*semantics);
   assert(!str.empty() && "Invalid string length");
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 1341d21437..262fa42ab2 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -102,7 +102,7 @@ APInt::APInt(unsigned numBits, unsigned numWords, const uint64_t bigVal[])
   clearUnusedBits();
 }
 
-APInt::APInt(unsigned numbits, const StringRef& Str, uint8_t radix)
+APInt::APInt(unsigned numbits, StringRef Str, uint8_t radix)
   : BitWidth(numbits), VAL(0) {
   assert(BitWidth && "Bitwidth too small");
   fromString(numbits, Str, radix);
@@ -613,7 +613,7 @@ APInt& APInt::flip(unsigned bitPosition) {
   return *this;
 }
 
-unsigned APInt::getBitsNeeded(const StringRef& str, uint8_t radix) {
+unsigned APInt::getBitsNeeded(StringRef str, uint8_t radix) {
   assert(!str.empty() && "Invalid string length");
   assert((radix == 10 || radix == 8 || radix == 16 || radix == 2) &&
          "Radix should be 2, 8, 10, or 16!");
@@ -2046,7 +2046,7 @@ void APInt::udivrem(const APInt &LHS, const APInt &RHS,
   divide(LHS, lhsWords, RHS, rhsWords, &Quotient, &Remainder);
 }
 
-void APInt::fromString(unsigned numbits, const StringRef& str, uint8_t radix) {
+void APInt::fromString(unsigned numbits, StringRef str, uint8_t radix) {
   // Check our assumptions here
   assert(!str.empty() && "Invalid string length");
   assert((radix == 10 || radix == 8 || radix == 16 || radix == 2) &&
diff --git a/lib/Support/Regex.cpp b/lib/Support/Regex.cpp
index a7631de9d8..309ffb02de 100644
--- a/lib/Support/Regex.cpp
+++ b/lib/Support/Regex.cpp
@@ -19,7 +19,7 @@
 #include <string>
 using namespace llvm;
 
-Regex::Regex(const StringRef &regex, unsigned Flags) {
+Regex::Regex(StringRef regex, unsigned Flags) {
   unsigned flags = 0;
   preg = new llvm_regex();
   preg->re_endp = regex.end();
@@ -52,7 +52,7 @@ unsigned Regex::getNumMatches() const {
   return preg->re_nsub;
 }
 
-bool Regex::match(const StringRef &String, SmallVectorImpl<StringRef> *Matches){
+bool Regex::match(StringRef String, SmallVectorImpl<StringRef> *Matches){
   unsigned nmatch = Matches ? preg->re_nsub+1 : 0;
 
   // pmatch needs to have at least one element.
diff --git a/lib/Support/StringPool.cpp b/lib/Support/StringPool.cpp
index 1ee917f119..ff607cf8c4 100644
--- a/lib/Support/StringPool.cpp
+++ b/lib/Support/StringPool.cpp
@@ -22,7 +22,7 @@ StringPool::~StringPool() {
   assert(InternTable.empty() && "PooledStringPtr leaked!");
 }
 
-PooledStringPtr StringPool::intern(const StringRef &Key) {
+PooledStringPtr StringPool::intern(StringRef Key) {
   table_t::iterator I = InternTable.find(Key);
   if (I != InternTable.end())
     return PooledStringPtr(&*I);