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| author | John McCall <rjmccall@apple.com> | 2009-12-23 01:37:10 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2009-12-23 01:37:10 +0000 |
| commit | 230a5d527e8c6e188b3f8af47f7889420db03221 (patch) | |
| tree | 637d4f28308e872460eae2e5ed3d91bd72d710c6 /clang/lib/Lex | |
| parent | 417c8a43d61489a5ccca0e4e30f84c2f945b7fa9 (diff) | |
| download | bcm5719-llvm-230a5d527e8c6e188b3f8af47f7889420db03221.tar.gz bcm5719-llvm-230a5d527e8c6e188b3f8af47f7889420db03221.zip | |
Eliminate a completely unnecessary buffer copy when parsing float literals.
llvm-svn: 91974
Diffstat (limited to 'clang/lib/Lex')
| -rw-r--r-- | clang/lib/Lex/LiteralSupport.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp index ab669422b27..f1993d22643 100644 --- a/clang/lib/Lex/LiteralSupport.cpp +++ b/clang/lib/Lex/LiteralSupport.cpp @@ -615,17 +615,12 @@ GetFloatValue(const llvm::fltSemantics &Format, bool* isExact) { using llvm::APFloat; using llvm::StringRef; - llvm::SmallVector<char,256> floatChars; unsigned n = std::min(SuffixBegin - ThisTokBegin, ThisTokEnd - ThisTokBegin); - for (unsigned i = 0; i != n; ++i) - floatChars.push_back(ThisTokBegin[i]); - - floatChars.push_back('\0'); APFloat V (Format, APFloat::fcZero, false); APFloat::opStatus status; - status = V.convertFromString(StringRef(&floatChars[0], n), + status = V.convertFromString(StringRef(ThisTokBegin, n), APFloat::rmNearestTiesToEven); if (isExact) |
