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Simplify some uses of str(n)cmp with StringRef.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94189 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-01-22 18:21:23 +00:00
parent 50a5aa19ca
commit a46918d2b1
3 changed files with 27 additions and 30 deletions
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3
include/llvm/MC/MCSectionELF.h
View File

@ -47,8 +47,7 @@ public:
/// ShouldOmitSectionDirective - Decides whether a '.section' directive
/// should be printed before the section name
bool ShouldOmitSectionDirective(const char *Name,
const MCAsmInfo &MAI) const;
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
/// ShouldPrintSectionType - Only prints the section type if supported
bool ShouldPrintSectionType(unsigned Ty) const;

12
lib/MC/MCSectionELF.cpp
View File

@ -22,14 +22,12 @@ Create(StringRef Section, unsigned Type, unsigned Flags,
// ShouldOmitSectionDirective - Decides whether a '.section' directive
// should be printed before the section name
bool MCSectionELF::ShouldOmitSectionDirective(const char *Name,
bool MCSectionELF::ShouldOmitSectionDirective(StringRef Name,
const MCAsmInfo &MAI) const {
// FIXME: Does .section .bss/.data/.text work everywhere??
if (strcmp(Name, ".text") == 0 ||
strcmp(Name, ".data") == 0 ||
(strcmp(Name, ".bss") == 0 &&
!MAI.usesELFSectionDirectiveForBSS()))
if (Name == ".text" || Name == ".data" ||
(Name == ".bss" && !MAI.usesELFSectionDirectiveForBSS()))
return true;
return false;
@ -46,7 +44,7 @@ bool MCSectionELF::ShouldPrintSectionType(unsigned Ty) const {
void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
raw_ostream &OS) const {
if (ShouldOmitSectionDirective(SectionName.c_str(), MAI)) {
if (ShouldOmitSectionDirective(SectionName, MAI)) {
OS << '\t' << getSectionName() << '\n';
return;
}
@ -128,7 +126,7 @@ void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI,
// header index.
bool MCSectionELF::HasCommonSymbols() const {
if (strncmp(SectionName.c_str(), ".gnu.linkonce.", 14) == 0)
if (StringRef(SectionName).startswith(".gnu.linkonce."))
return true;
return false;

42
lib/Target/TargetLoweringObjectFile.cpp
View File

@ -474,30 +474,30 @@ void TargetLoweringObjectFileELF::Initialize(MCContext &Ctx,
static SectionKind
getELFKindForNamedSection(const char *Name, SectionKind K) {
if (Name[0] != '.') return K;
getELFKindForNamedSection(StringRef Name, SectionKind K) {
if (Name.empty() || Name[0] != '.') return K;
// Some lame default implementation based on some magic section names.
if (strcmp(Name, ".bss") == 0 ||
strncmp(Name, ".bss.", 5) == 0 ||
strncmp(Name, ".gnu.linkonce.b.", 16) == 0 ||
strncmp(Name, ".llvm.linkonce.b.", 17) == 0 ||
strcmp(Name, ".sbss") == 0 ||
strncmp(Name, ".sbss.", 6) == 0 ||
strncmp(Name, ".gnu.linkonce.sb.", 17) == 0 ||
strncmp(Name, ".llvm.linkonce.sb.", 18) == 0)
if (Name == ".bss" ||
Name.startswith(".bss.") ||
Name.startswith(".gnu.linkonce.b.") ||
Name.startswith(".llvm.linkonce.b.") ||
Name == ".sbss" ||
Name.startswith(".sbss.") ||
Name.startswith(".gnu.linkonce.sb.") ||
Name.startswith(".llvm.linkonce.sb."))
return SectionKind::getBSS();
if (strcmp(Name, ".tdata") == 0 ||
strncmp(Name, ".tdata.", 7) == 0 ||
strncmp(Name, ".gnu.linkonce.td.", 17) == 0 ||
strncmp(Name, ".llvm.linkonce.td.", 18) == 0)
if (Name == ".tdata" ||
Name.startswith(".tdata.") ||
Name.startswith(".gnu.linkonce.td.") ||
Name.startswith(".llvm.linkonce.td."))
return SectionKind::getThreadData();
if (strcmp(Name, ".tbss") == 0 ||
strncmp(Name, ".tbss.", 6) == 0 ||
strncmp(Name, ".gnu.linkonce.tb.", 17) == 0 ||
strncmp(Name, ".llvm.linkonce.tb.", 18) == 0)
if (Name == ".tbss" ||
Name.startswith(".tbss.") ||
Name.startswith(".gnu.linkonce.tb.") ||
Name.startswith(".llvm.linkonce.tb."))
return SectionKind::getThreadBSS();
return K;
@ -553,7 +553,7 @@ getELFSectionFlags(SectionKind K) {
const MCSection *TargetLoweringObjectFileELF::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
const char *SectionName = GV->getSection().c_str();
StringRef SectionName = GV->getSection();
// Infer section flags from the section name if we can.
Kind = getELFKindForNamedSection(SectionName, Kind);
@ -616,7 +616,7 @@ SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
std::string Name = SizeSpec + utostr(Align);
return getELFSection(Name.c_str(), MCSectionELF::SHT_PROGBITS,
return getELFSection(Name, MCSectionELF::SHT_PROGBITS,
MCSectionELF::SHF_ALLOC |
MCSectionELF::SHF_MERGE |
MCSectionELF::SHF_STRINGS,
@ -1086,7 +1086,7 @@ void TargetLoweringObjectFileCOFF::Initialize(MCContext &Ctx,
const MCSection *TargetLoweringObjectFileCOFF::
getExplicitSectionGlobal(const GlobalValue *GV, SectionKind Kind,
Mangler *Mang, const TargetMachine &TM) const {
return getCOFFSection(GV->getSection().c_str(), false, Kind);
return getCOFFSection(GV->getSection(), false, Kind);
}
static const char *getCOFFSectionPrefixForUniqueGlobal(SectionKind Kind) {