6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-02-06 23:32:27 +00:00
Code Issues Projects Releases Wiki Activity

CodeGen: Avoid multiple strlen calls

Browse Source 
Use a StringRef to hold our section prefix.  This avoids multiple calls
to strlen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211602 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2014-06-24 16:01:53 +00:00
parent 01c8340c3d
commit fde22c17f5
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
View File

@ -207,7 +207,7 @@ const MCSection *TargetLoweringObjectFileELF::getExplicitSectionGlobal(
/// getSectionPrefixForGlobal - Return the section prefix name used by options
/// FunctionsSections and DataSections.
static const char *getSectionPrefixForGlobal(SectionKind Kind) {
static StringRef getSectionPrefixForGlobal(SectionKind Kind) {
if (Kind.isText()) return ".text.";
if (Kind.isReadOnly()) return ".rodata.";
if (Kind.isBSS()) return ".bss.";
@ -240,16 +240,15 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
// into a 'uniqued' section name, create and return the section now.
if ((GV->isWeakForLinker() || EmitUniquedSection) &&
!Kind.isCommon()) {
const char *Prefix;
Prefix = getSectionPrefixForGlobal(Kind);
StringRef Prefix = getSectionPrefixForGlobal(Kind);
SmallString<128> Name(Prefix, Prefix+strlen(Prefix));
SmallString<128> Name(Prefix);
TM.getNameWithPrefix(Name, GV, Mang, true);
StringRef Group = "";
unsigned Flags = getELFSectionFlags(Kind);
if (GV->isWeakForLinker()) {
Group = Name.substr(strlen(Prefix));
Group = Name.substr(Prefix.size());
Flags |= ELF::SHF_GROUP;
}