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change SectionKindForGlobal from being a public (and

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previously virtual) function to being a static function
in the .cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76997 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-07-24 20:14:10 +00:00
parent 40efc251cd
commit 0d4960c3ca
2 changed files with 9 additions and 23 deletions
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6
include/llvm/Target/TargetAsmInfo.h
View File

@ -608,12 +608,6 @@ namespace llvm {
return 0; return 0;
} }
/// SectionKindForGlobal - This hook allows the target to select proper
/// section kind used for global emission.
// FIXME: Eliminate this.
SectionKind::Kind SectionKindForGlobal(const GlobalValue *GV) const;
const std::string &getSectionFlags(unsigned Flags) const; const std::string &getSectionFlags(unsigned Flags) const;
virtual std::string printSectionFlags(unsigned flags) const { return ""; } virtual std::string printSectionFlags(unsigned flags) const { return ""; }

26
lib/Target/TargetAsmInfo.cpp
View File

@ -27,9 +27,7 @@
#include <cstring> #include <cstring>
using namespace llvm; using namespace llvm;
TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm) TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm) : TM(tm) {
: TM(tm)
{
BSSSection = "\t.bss"; BSSSection = "\t.bss";
BSSSection_ = 0; BSSSection_ = 0;
ReadOnlySection = 0; ReadOnlySection = 0;
@ -162,9 +160,6 @@ unsigned TargetAsmInfo::PreferredEHDataFormat(DwarfEncoding::Target Reason,
} }
static bool isSuitableForBSS(const GlobalVariable *GV) { static bool isSuitableForBSS(const GlobalVariable *GV) {
if (!GV->hasInitializer())
return true;
// Leave constant zeros in readonly constant sections, so they can be shared // Leave constant zeros in readonly constant sections, so they can be shared
Constant *C = GV->getInitializer(); Constant *C = GV->getInitializer();
return (C->isNullValue() && !GV->isConstant() && !NoZerosInBSS); return (C->isNullValue() && !GV->isConstant() && !NoZerosInBSS);
@ -178,12 +173,10 @@ static bool isConstantString(const Constant *C) {
return true; return true;
// Another possibility: [1 x i8] zeroinitializer // Another possibility: [1 x i8] zeroinitializer
if (isa<ConstantAggregateZero>(C)) { if (isa<ConstantAggregateZero>(C))
if (const ArrayType *Ty = dyn_cast<ArrayType>(C->getType())) { if (const ArrayType *Ty = dyn_cast<ArrayType>(C->getType()))
return (Ty->getElementType() == Type::Int8Ty && return (Ty->getElementType() == Type::Int8Ty &&
Ty->getNumElements() == 1); Ty->getNumElements() == 1);
}
}
return false; return false;
} }
@ -224,8 +217,8 @@ static unsigned SectionFlagsForGlobal(const GlobalValue *GV,
return Flags; return Flags;
} }
SectionKind::Kind static SectionKind::Kind SectionKindForGlobal(const GlobalValue *GV,
TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const { Reloc::Model ReloModel) {
// Early exit - functions should be always in text sections. // Early exit - functions should be always in text sections.
const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV); const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
if (GVar == 0) if (GVar == 0)
@ -264,7 +257,7 @@ TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
// In static relocation model, the linker will resolve all addresses, so // In static relocation model, the linker will resolve all addresses, so
// the relocation entries will actually be constants by the time the app // the relocation entries will actually be constants by the time the app
// starts up. // starts up.
if (TM.getRelocationModel() == Reloc::Static) if (ReloModel == Reloc::Static)
return SectionKind::ROData; return SectionKind::ROData;
// Otherwise, the dynamic linker needs to fix it up, put it in the // Otherwise, the dynamic linker needs to fix it up, put it in the
@ -275,7 +268,7 @@ TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
// In static relocation model, the linker will resolve all addresses, so // In static relocation model, the linker will resolve all addresses, so
// the relocation entries will actually be constants by the time the app // the relocation entries will actually be constants by the time the app
// starts up. // starts up.
if (TM.getRelocationModel() == Reloc::Static) if (ReloModel == Reloc::Static)
return SectionKind::ROData; return SectionKind::ROData;
// Otherwise, the dynamic linker needs to fix it up, put it in the // Otherwise, the dynamic linker needs to fix it up, put it in the
@ -289,7 +282,7 @@ TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
// specific section to improve startup time of the app. This coalesces these // specific section to improve startup time of the app. This coalesces these
// globals together onto fewer pages, improving the locality of the dynamic // globals together onto fewer pages, improving the locality of the dynamic
// linker. // linker.
if (TM.getRelocationModel() == Reloc::Static) if (ReloModel == Reloc::Static)
return SectionKind::Data; return SectionKind::Data;
switch (C->getRelocationInfo()) { switch (C->getRelocationInfo()) {
@ -302,11 +295,10 @@ TargetAsmInfo::SectionKindForGlobal(const GlobalValue *GV) const {
const Section *TargetAsmInfo::SectionForGlobal(const GlobalValue *GV) const { const Section *TargetAsmInfo::SectionForGlobal(const GlobalValue *GV) const {
SectionKind::Kind Kind = SectionKindForGlobal(GV); SectionKind::Kind Kind = SectionKindForGlobal(GV, TM.getRelocationModel());
// Select section name. // Select section name.
if (GV->hasSection()) { if (GV->hasSection()) {
// If the target has special section hacks for specifically named globals, // If the target has special section hacks for specifically named globals,
// return them now. // return them now.
if (const Section *TS = getSpecialCasedSectionGlobals(GV, Kind)) if (const Section *TS = getSpecialCasedSectionGlobals(GV, Kind))