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Diffstat (limited to 'contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp')
-rw-r--r--contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp60
1 files changed, 35 insertions, 25 deletions
diff --git a/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp b/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp
index 7b8d1108f1bf..2569e922641d 100644
--- a/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/contrib/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -18,6 +18,8 @@
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCStreamer.h"
@@ -25,7 +27,7 @@
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
using namespace llvm;
@@ -40,10 +42,11 @@ using namespace llvm;
void TargetLoweringObjectFile::Initialize(MCContext &ctx,
const TargetMachine &TM) {
Ctx = &ctx;
+ DL = TM.getDataLayout();
InitMCObjectFileInfo(TM.getTargetTriple(),
TM.getRelocationModel(), TM.getCodeModel(), *Ctx);
}
-
+
TargetLoweringObjectFile::~TargetLoweringObjectFile() {
}
@@ -59,7 +62,7 @@ static bool isSuitableForBSS(const GlobalVariable *GV, bool NoZerosInBSS) {
return false;
// If the global has an explicit section specified, don't put it in BSS.
- if (!GV->getSection().empty())
+ if (GV->hasSection())
return false;
// If -nozero-initialized-in-bss is specified, don't ever use BSS.
@@ -97,20 +100,22 @@ static bool IsNullTerminatedString(const Constant *C) {
return false;
}
-/// Return the MCSymbol for the specified global value. This
-/// symbol is the main label that is the address of the global.
-MCSymbol *TargetLoweringObjectFile::getSymbol(Mangler &M,
- const GlobalValue *GV) const {
+MCSymbol *TargetLoweringObjectFile::getSymbolWithGlobalValueBase(
+ const GlobalValue *GV, StringRef Suffix, Mangler &Mang,
+ const TargetMachine &TM) const {
+ assert(!Suffix.empty());
+
SmallString<60> NameStr;
- M.getNameWithPrefix(NameStr, GV, false);
+ NameStr += DL->getPrivateGlobalPrefix();
+ TM.getNameWithPrefix(NameStr, GV, Mang);
+ NameStr.append(Suffix.begin(), Suffix.end());
return Ctx->GetOrCreateSymbol(NameStr.str());
}
-
-MCSymbol *TargetLoweringObjectFile::
-getCFIPersonalitySymbol(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI) const {
- return getSymbol(*Mang, GV);
+MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol(
+ const GlobalValue *GV, Mangler &Mang, const TargetMachine &TM,
+ MachineModuleInfo *MMI) const {
+ return TM.getSymbol(GV, Mang);
}
void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer,
@@ -133,7 +138,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
// Early exit - functions should be always in text sections.
const GlobalVariable *GVar = dyn_cast<GlobalVariable>(GV);
- if (GVar == 0)
+ if (!GVar)
return SectionKind::getText();
// Handle thread-local data first.
@@ -252,7 +257,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
/// the specified global variable or function definition. This should not
/// be passed external (or available externally) globals.
const MCSection *TargetLoweringObjectFile::
-SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang,
+SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
const TargetMachine &TM) const {
// Select section name.
if (GV->hasSection())
@@ -263,22 +268,26 @@ SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler *Mang,
return SelectSectionForGlobal(GV, Kind, Mang, TM);
}
+bool TargetLoweringObjectFile::isSectionAtomizableBySymbols(
+ const MCSection &Section) const {
+ return false;
+}
// Lame default implementation. Calculate the section name for global.
const MCSection *
TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
SectionKind Kind,
- Mangler *Mang,
+ Mangler &Mang,
const TargetMachine &TM) const{
assert(!Kind.isThreadLocal() && "Doesn't support TLS");
if (Kind.isText())
return getTextSection();
- if (Kind.isBSS() && BSSSection != 0)
+ if (Kind.isBSS() && BSSSection != nullptr)
return BSSSection;
- if (Kind.isReadOnly() && ReadOnlySection != 0)
+ if (Kind.isReadOnly() && ReadOnlySection != nullptr)
return ReadOnlySection;
return getDataSection();
@@ -288,8 +297,9 @@ TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
/// specified size and relocation information, return a section that it
/// should be placed in.
const MCSection *
-TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const {
- if (Kind.isReadOnly() && ReadOnlySection != 0)
+TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind,
+ const Constant *C) const {
+ if (Kind.isReadOnly() && ReadOnlySection != nullptr)
return ReadOnlySection;
return DataSection;
@@ -298,12 +308,12 @@ TargetLoweringObjectFile::getSectionForConstant(SectionKind Kind) const {
/// getTTypeGlobalReference - Return an MCExpr to use for a
/// reference to the specified global variable from exception
/// handling information.
-const MCExpr *TargetLoweringObjectFile::
-getTTypeGlobalReference(const GlobalValue *GV, Mangler *Mang,
- MachineModuleInfo *MMI, unsigned Encoding,
- MCStreamer &Streamer) const {
+const MCExpr *TargetLoweringObjectFile::getTTypeGlobalReference(
+ const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
+ const TargetMachine &TM, MachineModuleInfo *MMI,
+ MCStreamer &Streamer) const {
const MCSymbolRefExpr *Ref =
- MCSymbolRefExpr::Create(getSymbol(*Mang, GV), getContext());
+ MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang), getContext());
return getTTypeReference(Ref, Encoding, Streamer);
}