CodeGen: simplify TargetMachine::getSymbol interface. NFC.

No-one actually had a mangler handy when calling this function, and
getSymbol itself went most of the way towards getting its own mangler
(with a local TLOF variable) so forcing all callers to supply one was
just extra complication.

llvm-svn: 287645

8 files changed, 23 insertions, 24 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 6b52e97a02c..74724c224c8 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -345,7 +345,7 @@ void AsmPrinter::getNameWithPrefix(SmallVectorImpl<char> &Name,
 }
 
 MCSymbol *AsmPrinter::getSymbol(const GlobalValue *GV) const {
-  return TM.getSymbol(GV, getObjFileLowering().getMangler());
+  return TM.getSymbol(GV);
 }
 
 /// EmitGlobalVariable - Emit the specified global variable to the .s file.
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 539d485ffef..bdb1210553e 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -55,9 +55,9 @@ MCSymbol *TargetLoweringObjectFileELF::getCFIPersonalitySymbol(
   unsigned Encoding = getPersonalityEncoding();
   if ((Encoding & 0x80) == dwarf::DW_EH_PE_indirect)
     return getContext().getOrCreateSymbol(StringRef("DW.ref.") +
-                                          TM.getSymbol(GV, getMangler())->getName());
+                                          TM.getSymbol(GV)->getName());
   if ((Encoding & 0x70) == dwarf::DW_EH_PE_absptr)
-    return TM.getSymbol(GV, getMangler());
+    return TM.getSymbol(GV);
   report_fatal_error("We do not support this DWARF encoding yet!");
 }
 
@@ -96,7 +96,7 @@ const MCExpr *TargetLoweringObjectFileELF::getTTypeGlobalReference(
     // gets emitted by the asmprinter.
     MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
     if (!StubSym.getPointer()) {
-      MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+      MCSymbol *Sym = TM.getSymbol(GV);
       StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
     }
 
@@ -443,10 +443,9 @@ const MCExpr *TargetLoweringObjectFileELF::lowerRelativeReference(
     return nullptr;
 
   return MCBinaryExpr::createSub(
-      MCSymbolRefExpr::create(TM.getSymbol(LHS, getMangler()), PLTRelativeVariantKind,
+      MCSymbolRefExpr::create(TM.getSymbol(LHS), PLTRelativeVariantKind,
                               getContext()),
-      MCSymbolRefExpr::create(TM.getSymbol(RHS, getMangler()), getContext()),
-      getContext());
+      MCSymbolRefExpr::create(TM.getSymbol(RHS), getContext()), getContext());
 }
 
 void
@@ -712,7 +711,7 @@ const MCExpr *TargetLoweringObjectFileMachO::getTTypeGlobalReference(
     // gets emitted by the asmprinter.
     MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(SSym);
     if (!StubSym.getPointer()) {
-      MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+      MCSymbol *Sym = TM.getSymbol(GV);
       StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
     }
 
@@ -738,7 +737,7 @@ MCSymbol *TargetLoweringObjectFileMachO::getCFIPersonalitySymbol(
   // gets emitted by the asmprinter.
   MachineModuleInfoImpl::StubValueTy &StubSym = MachOMMI.getGVStubEntry(SSym);
   if (!StubSym.getPointer()) {
-    MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+    MCSymbol *Sym = TM.getSymbol(GV);
     StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
   }
 
@@ -929,7 +928,7 @@ MCSection *TargetLoweringObjectFileCOFF::getExplicitSectionGlobal(
       ComdatGV = GO;
 
     if (!ComdatGV->hasPrivateLinkage()) {
-      MCSymbol *Sym = TM.getSymbol(ComdatGV, getMangler());
+      MCSymbol *Sym = TM.getSymbol(ComdatGV);
       COMDATSymName = Sym->getName();
       Characteristics |= COFF::IMAGE_SCN_LNK_COMDAT;
     } else {
@@ -982,7 +981,7 @@ MCSection *TargetLoweringObjectFileCOFF::SelectSectionForGlobal(
       UniqueID = NextUniqueID++;
 
     if (!ComdatGV->hasPrivateLinkage()) {
-      MCSymbol *Sym = TM.getSymbol(ComdatGV, getMangler());
+      MCSymbol *Sym = TM.getSymbol(ComdatGV);
       StringRef COMDATSymName = Sym->getName();
       return getContext().getCOFFSection(Name, Characteristics, Kind,
                                          COMDATSymName, Selection, UniqueID);
@@ -1037,7 +1036,7 @@ MCSection *TargetLoweringObjectFileCOFF::getSectionForJumpTable(
   if (F.hasPrivateLinkage())
     return ReadOnlySection;
 
-  MCSymbol *Sym = TM.getSymbol(&F, getMangler());
+  MCSymbol *Sym = TM.getSymbol(&F);
   StringRef COMDATSymName = Sym->getName();
 
   SectionKind Kind = SectionKind::getReadOnly();
diff --git a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
index cafbb5361b9..8875f9b7264 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.cpp
@@ -37,7 +37,7 @@ const MCExpr *AArch64_MachoTargetObjectFile::getTTypeGlobalReference(
   // won't reference using the GOT, so we need this target-specific
   // version.
   if (Encoding & (DW_EH_PE_indirect | DW_EH_PE_pcrel)) {
-    const MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+    const MCSymbol *Sym = TM.getSymbol(GV);
     const MCExpr *Res =
         MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_GOT, getContext());
     MCSymbol *PCSym = getContext().createTempSymbol();
@@ -53,7 +53,7 @@ const MCExpr *AArch64_MachoTargetObjectFile::getTTypeGlobalReference(
 MCSymbol *AArch64_MachoTargetObjectFile::getCFIPersonalitySymbol(
     const GlobalValue *GV, const TargetMachine &TM,
     MachineModuleInfo *MMI) const {
-  return TM.getSymbol(GV, getMangler());
+  return TM.getSymbol(GV);
 }
 
 const MCExpr *AArch64_MachoTargetObjectFile::getIndirectSymViaGOTPCRel(
diff --git a/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp b/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
index 8218a90aaae..ec364e8d795 100644
--- a/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetObjectFile.cpp
@@ -49,7 +49,7 @@ const MCExpr *ARMElfTargetObjectFile::getTTypeGlobalReference(
 
   assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
 
-  return MCSymbolRefExpr::create(TM.getSymbol(GV, getMangler()),
+  return MCSymbolRefExpr::create(TM.getSymbol(GV),
                                  MCSymbolRefExpr::VK_ARM_TARGET2, getContext());
 }
 
diff --git a/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp b/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
index b3d766801f8..8fdde15d8d2 100644
--- a/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
+++ b/llvm/lib/Target/Sparc/SparcTargetObjectFile.cpp
@@ -28,7 +28,7 @@ const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
     // gets emitted by the asmprinter.
     MachineModuleInfoImpl::StubValueTy &StubSym = ELFMMI.getGVStubEntry(SSym);
     if (!StubSym.getPointer()) {
-      MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+      MCSymbol *Sym = TM.getSymbol(GV);
       StubSym = MachineModuleInfoImpl::StubValueTy(Sym, !GV->hasLocalLinkage());
     }
 
diff --git a/llvm/lib/Target/TargetLoweringObjectFile.cpp b/llvm/lib/Target/TargetLoweringObjectFile.cpp
index a8b2af18ebf..375f8511f7a 100644
--- a/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -118,7 +118,7 @@ MCSymbol *TargetLoweringObjectFile::getSymbolWithGlobalValueBase(
 MCSymbol *TargetLoweringObjectFile::getCFIPersonalitySymbol(
     const GlobalValue *GV, const TargetMachine &TM,
     MachineModuleInfo *MMI) const {
-  return TM.getSymbol(GV, *Mang);
+  return TM.getSymbol(GV);
 }
 
 void TargetLoweringObjectFile::emitPersonalityValue(MCStreamer &Streamer,
@@ -288,7 +288,7 @@ const MCExpr *TargetLoweringObjectFile::getTTypeGlobalReference(
     const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM,
     MachineModuleInfo *MMI, MCStreamer &Streamer) const {
   const MCSymbolRefExpr *Ref =
-      MCSymbolRefExpr::create(TM.getSymbol(GV, *Mang), getContext());
+      MCSymbolRefExpr::create(TM.getSymbol(GV), getContext());
 
   return getTTypeReference(Ref, Encoding, Streamer);
 }
diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index 792280af84d..e16ced1661a 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -213,9 +213,9 @@ void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
   TLOF->getNameWithPrefix(Name, GV, *this);
 }
 
-MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV, Mangler &Mang) const {
-  SmallString<128> NameStr;
-  getNameWithPrefix(NameStr, GV, Mang);
+MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV) const {
   const TargetLoweringObjectFile *TLOF = getObjFileLowering();
+  SmallString<128> NameStr;
+  getNameWithPrefix(NameStr, GV, TLOF->getMangler());
   return TLOF->getContext().getOrCreateSymbol(NameStr);
 }
diff --git a/llvm/lib/Target/X86/X86TargetObjectFile.cpp b/llvm/lib/Target/X86/X86TargetObjectFile.cpp
index d050ec0287f..7f70829cb6c 100644
--- a/llvm/lib/Target/X86/X86TargetObjectFile.cpp
+++ b/llvm/lib/Target/X86/X86TargetObjectFile.cpp
@@ -30,7 +30,7 @@ const MCExpr *X86_64MachoTargetObjectFile::getTTypeGlobalReference(
   // On Darwin/X86-64, we can reference dwarf symbols with foo@GOTPCREL+4, which
   // is an indirect pc-relative reference.
   if ((Encoding & DW_EH_PE_indirect) && (Encoding & DW_EH_PE_pcrel)) {
-    const MCSymbol *Sym = TM.getSymbol(GV, getMangler());
+    const MCSymbol *Sym = TM.getSymbol(GV);
     const MCExpr *Res =
       MCSymbolRefExpr::create(Sym, MCSymbolRefExpr::VK_GOTPCREL, getContext());
     const MCExpr *Four = MCConstantExpr::create(4, getContext());
@@ -44,7 +44,7 @@ const MCExpr *X86_64MachoTargetObjectFile::getTTypeGlobalReference(
 MCSymbol *X86_64MachoTargetObjectFile::getCFIPersonalitySymbol(
     const GlobalValue *GV, const TargetMachine &TM,
     MachineModuleInfo *MMI) const {
-  return TM.getSymbol(GV, getMangler());
+  return TM.getSymbol(GV);
 }
 
 const MCExpr *X86_64MachoTargetObjectFile::getIndirectSymViaGOTPCRel(
@@ -108,7 +108,7 @@ const MCExpr *X86WindowsTargetObjectFile::lowerRelativeReference(
       cast<GlobalVariable>(RHS)->hasInitializer() || RHS->hasSection())
     return nullptr;
 
-  return MCSymbolRefExpr::create(TM.getSymbol(LHS, getMangler()),
+  return MCSymbolRefExpr::create(TM.getSymbol(LHS),
                                  MCSymbolRefExpr::VK_COFF_IMGREL32,
                                  getContext());
 }