Correct 'teh' and other typos / repeated words.

[oota-llvm.git] / lib / Target / TargetLoweringObjectFile.cpp

diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index cf7abbc01aa1f13df50e3c6715a0a883e8185645..db543f33392be12cac978b1ec348d3f794cfdeba 100644 (file)
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -30,6 +30,7 @@
 #include "llvm/Target/TargetLowering.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -62,7 +63,7 @@ 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.
@@ -109,7 +110,7 @@ MCSymbol *TargetLoweringObjectFile::getSymbolWithGlobalValueBase(
   NameStr += DL->getPrivateGlobalPrefix();
   TM.getNameWithPrefix(NameStr, GV, Mang);
   NameStr.append(Suffix.begin(), Suffix.end());
-  return Ctx->GetOrCreateSymbol(NameStr.str());
+  return Ctx->GetOrCreateSymbol(NameStr);
 }
 
 MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol(
@@ -138,7 +139,7 @@ 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.
@@ -203,7 +204,8 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
       case 4:  return SectionKind::getMergeableConst4();
       case 8:  return SectionKind::getMergeableConst8();
       case 16: return SectionKind::getMergeableConst16();
-      default: return SectionKind::getMergeableConst();
+      default:
+        return SectionKind::getReadOnly();
       }
 
     case Constant::LocalRelocation:
@@ -268,37 +270,36 @@ SectionForGlobal(const GlobalValue *GV, SectionKind Kind, Mangler &Mang,
   return SelectSectionForGlobal(GV, Kind, Mang, TM);
 }
 
-bool TargetLoweringObjectFile::isSectionAtomizableBySymbols(
-    const MCSection &Section) const {
-  return false;
+const MCSection *TargetLoweringObjectFile::getSectionForJumpTable(
+    const Function &F, Mangler &Mang, const TargetMachine &TM) const {
+  return getSectionForConstant(SectionKind::getReadOnly(), /*C=*/nullptr);
 }
 
-// Lame default implementation. Calculate the section name for global.
-const MCSection *
-TargetLoweringObjectFile::SelectSectionForGlobal(const GlobalValue *GV,
-                                                 SectionKind Kind,
-                                                 Mangler &Mang,
-                                                 const TargetMachine &TM) const{
-  assert(!Kind.isThreadLocal() && "Doesn't support TLS");
-
-  if (Kind.isText())
-    return getTextSection();
-
-  if (Kind.isBSS() && BSSSection != 0)
-    return BSSSection;
+bool TargetLoweringObjectFile::shouldPutJumpTableInFunctionSection(
+    bool UsesLabelDifference, const Function &F) const {
+  // In PIC mode, we need to emit the jump table to the same section as the
+  // function body itself, otherwise the label differences won't make sense.
+  // FIXME: Need a better predicate for this: what about custom entries?
+  if (UsesLabelDifference)
+    return true;
 
-  if (Kind.isReadOnly() && ReadOnlySection != 0)
-    return ReadOnlySection;
+  // We should also do if the section name is NULL or function is declared
+  // in discardable section
+  // FIXME: this isn't the right predicate, should be based on the MCSection
+  // for the function.
+  if (F.isWeakForLinker())
+    return true;
 
-  return getDataSection();
+  return false;
 }
 
 /// getSectionForConstant - Given a mergable constant with the
 /// 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;
@@ -342,3 +343,9 @@ const MCExpr *TargetLoweringObjectFile::getDebugThreadLocalSymbol(const MCSymbol
   // null return could mean 'no location' & we should just do that here.
   return MCSymbolRefExpr::Create(Sym, *Ctx);
 }
+
+void TargetLoweringObjectFile::getNameWithPrefix(
+    SmallVectorImpl<char> &OutName, const GlobalValue *GV,
+    bool CannotUsePrivateLabel, Mangler &Mang, const TargetMachine &TM) const {
+  Mang.getNameWithPrefix(OutName, GV, CannotUsePrivateLabel);
+}