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TLI: Factor out sanitizeFunctionName. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231034 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Zolotukhin
2015-03-02 23:24:40 +00:00
parent 0b08b96fdd
commit a6f1fd6465
1 changed files with 14 additions and 6 deletions
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20
lib/Analysis/TargetLibraryInfo.cpp
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@ -714,20 +714,28 @@ TargetLibraryInfoImpl &TargetLibraryInfoImpl::operator=(TargetLibraryInfoImpl &&
return *this; return *this;
} }
bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName, static StringRef sanitizeFunctionName(StringRef funcName) {
LibFunc::Func &F) const {
const char **Start = &StandardNames[0];
const char **End = &StandardNames[LibFunc::NumLibFuncs];
// Filter out empty names and names containing null bytes, those can't be in // Filter out empty names and names containing null bytes, those can't be in
// our table. // our table.
if (funcName.empty() || funcName.find('\0') != StringRef::npos) if (funcName.empty() || funcName.find('\0') != StringRef::npos)
return false; return StringRef();
// Check for \01 prefix that is used to mangle __asm declarations and // Check for \01 prefix that is used to mangle __asm declarations and
// strip it if present. // strip it if present.
if (funcName.front() == '\01') if (funcName.front() == '\01')
funcName = funcName.substr(1); funcName = funcName.substr(1);
return funcName;
}
bool TargetLibraryInfoImpl::getLibFunc(StringRef funcName,
LibFunc::Func &F) const {
const char **Start = &StandardNames[0];
const char **End = &StandardNames[LibFunc::NumLibFuncs];
funcName = sanitizeFunctionName(funcName);
if (funcName.empty())
return false;
const char **I = std::lower_bound( const char **I = std::lower_bound(
Start, End, funcName, [](const char *LHS, StringRef RHS) { Start, End, funcName, [](const char *LHS, StringRef RHS) {
return std::strncmp(LHS, RHS.data(), RHS.size()) < 0; return std::strncmp(LHS, RHS.data(), RHS.size()) < 0;