6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-28 19:25:00 +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
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 /// getSectionPrefixForGlobal - Return the section prefix name used by options
/// FunctionsSections and DataSections. /// FunctionsSections and DataSections.
static const char *getSectionPrefixForGlobal(SectionKind Kind) { static StringRef getSectionPrefixForGlobal(SectionKind Kind) {
if (Kind.isText()) return ".text."; if (Kind.isText()) return ".text.";
if (Kind.isReadOnly()) return ".rodata."; if (Kind.isReadOnly()) return ".rodata.";
if (Kind.isBSS()) return ".bss."; 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. // into a 'uniqued' section name, create and return the section now.
if ((GV->isWeakForLinker() || EmitUniquedSection) && if ((GV->isWeakForLinker() || EmitUniquedSection) &&
!Kind.isCommon()) { !Kind.isCommon()) {
const char *Prefix; StringRef Prefix = getSectionPrefixForGlobal(Kind);
Prefix = getSectionPrefixForGlobal(Kind);
SmallString<128> Name(Prefix, Prefix+strlen(Prefix)); SmallString<128> Name(Prefix);
TM.getNameWithPrefix(Name, GV, Mang, true); TM.getNameWithPrefix(Name, GV, Mang, true);
StringRef Group = ""; StringRef Group = "";
unsigned Flags = getELFSectionFlags(Kind); unsigned Flags = getELFSectionFlags(Kind);
if (GV->isWeakForLinker()) { if (GV->isWeakForLinker()) {
Group = Name.substr(strlen(Prefix)); Group = Name.substr(Prefix.size());
Flags |= ELF::SHF_GROUP; Flags |= ELF::SHF_GROUP;
} }