[TableGen] Change OpInit::getNumOperands and getOperand to use unsigned integers...

[oota-llvm.git] / lib / MC / MCExpr.cpp

diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 1b328ac436f5189f187041b35d7bc23c3271f5dd..9cb4c9f5788f2c381c5cf27a05b1d196e7e72627 100644 (file)
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -33,7 +33,7 @@ STATISTIC(MCExprEvaluate, "Number of MCExpr evaluations");
 void MCExpr::print(raw_ostream &OS) const {
   switch (getKind()) {
   case MCExpr::Target:
-    return cast<MCTargetExpr>(this)->PrintImpl(OS);
+    return cast<MCTargetExpr>(this)->printImpl(OS);
   case MCExpr::Constant:
     OS << cast<MCConstantExpr>(*this).getValue();
     return;
@@ -131,17 +131,17 @@ void MCExpr::dump() const {
 
 /* *** */
 
-const MCBinaryExpr *MCBinaryExpr::Create(Opcode Opc, const MCExpr *LHS,
+const MCBinaryExpr *MCBinaryExpr::create(Opcode Opc, const MCExpr *LHS,
                                          const MCExpr *RHS, MCContext &Ctx) {
   return new (Ctx) MCBinaryExpr(Opc, LHS, RHS);
 }
 
-const MCUnaryExpr *MCUnaryExpr::Create(Opcode Opc, const MCExpr *Expr,
+const MCUnaryExpr *MCUnaryExpr::create(Opcode Opc, const MCExpr *Expr,
                                        MCContext &Ctx) {
   return new (Ctx) MCUnaryExpr(Opc, Expr);
 }
 
-const MCConstantExpr *MCConstantExpr::Create(int64_t Value, MCContext &Ctx) {
+const MCConstantExpr *MCConstantExpr::create(int64_t Value, MCContext &Ctx) {
   return new (Ctx) MCConstantExpr(Value);
 }
 
@@ -156,15 +156,15 @@ MCSymbolRefExpr::MCSymbolRefExpr(const MCSymbol *Symbol, VariantKind Kind,
   assert(Symbol);
 }
 
-const MCSymbolRefExpr *MCSymbolRefExpr::Create(const MCSymbol *Sym,
+const MCSymbolRefExpr *MCSymbolRefExpr::create(const MCSymbol *Sym,
                                                VariantKind Kind,
                                                MCContext &Ctx) {
   return new (Ctx) MCSymbolRefExpr(Sym, Kind, Ctx.getAsmInfo());
 }
 
-const MCSymbolRefExpr *MCSymbolRefExpr::Create(StringRef Name, VariantKind Kind,
+const MCSymbolRefExpr *MCSymbolRefExpr::create(StringRef Name, VariantKind Kind,
                                                MCContext &Ctx) {
-  return Create(Ctx.getOrCreateSymbol(Name), Kind, Ctx);
+  return create(Ctx.getOrCreateSymbol(Name), Kind, Ctx);
 }
 
 StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) {
@@ -400,23 +400,23 @@ void MCTargetExpr::anchor() {}
 
 /* *** */
 
-bool MCExpr::EvaluateAsAbsolute(int64_t &Res) const {
-  return EvaluateAsAbsolute(Res, nullptr, nullptr, nullptr);
+bool MCExpr::evaluateAsAbsolute(int64_t &Res) const {
+  return evaluateAsAbsolute(Res, nullptr, nullptr, nullptr);
 }
 
-bool MCExpr::EvaluateAsAbsolute(int64_t &Res,
+bool MCExpr::evaluateAsAbsolute(int64_t &Res,
                                 const MCAsmLayout &Layout) const {
-  return EvaluateAsAbsolute(Res, &Layout.getAssembler(), &Layout, nullptr);
+  return evaluateAsAbsolute(Res, &Layout.getAssembler(), &Layout, nullptr);
 }
 
-bool MCExpr::EvaluateAsAbsolute(int64_t &Res,
+bool MCExpr::evaluateAsAbsolute(int64_t &Res,
                                 const MCAsmLayout &Layout,
                                 const SectionAddrMap &Addrs) const {
-  return EvaluateAsAbsolute(Res, &Layout.getAssembler(), &Layout, &Addrs);
+  return evaluateAsAbsolute(Res, &Layout.getAssembler(), &Layout, &Addrs);
 }
 
-bool MCExpr::EvaluateAsAbsolute(int64_t &Res, const MCAssembler &Asm) const {
-  return EvaluateAsAbsolute(Res, &Asm, nullptr, nullptr);
+bool MCExpr::evaluateAsAbsolute(int64_t &Res, const MCAssembler &Asm) const {
+  return evaluateAsAbsolute(Res, &Asm, nullptr, nullptr);
 }
 
 bool MCExpr::evaluateKnownAbsolute(int64_t &Res,
@@ -425,7 +425,7 @@ bool MCExpr::evaluateKnownAbsolute(int64_t &Res,
                             true);
 }
 
-bool MCExpr::EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm,
+bool MCExpr::evaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm,
                                 const MCAsmLayout *Layout,
                                 const SectionAddrMap *Addrs) const {
   // FIXME: The use if InSet = Addrs is a hack. Setting InSet causes us
@@ -446,7 +446,7 @@ bool MCExpr::evaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm,
   }
 
   bool IsRelocatable =
-      EvaluateAsRelocatableImpl(Value, Asm, Layout, nullptr, Addrs, InSet);
+      evaluateAsRelocatableImpl(Value, Asm, Layout, nullptr, Addrs, InSet);
 
   // Record the current value.
   Res = Value.getConstant();
@@ -468,14 +468,11 @@ static void AttemptToFoldSymbolOffsetDifference(
   if (SA.isUndefined() || SB.isUndefined())
     return;
 
-  if (!Asm->getWriter().IsSymbolRefDifferenceFullyResolved(*Asm, A, B, InSet))
+  if (!Asm->getWriter().isSymbolRefDifferenceFullyResolved(*Asm, A, B, InSet))
     return;
 
-  const MCSymbolData &AD = SA.getData();
-  const MCSymbolData &BD = SB.getData();
-
-  if (AD.getFragment() == BD.getFragment()) {
-    Addend += (AD.getOffset() - BD.getOffset());
+  if (SA.getFragment() == SB.getFragment()) {
+    Addend += (SA.getOffset() - SB.getOffset());
 
     // Pointers to Thumb symbols need to have their low-bit set to allow
     // for interworking.
@@ -491,8 +488,8 @@ static void AttemptToFoldSymbolOffsetDifference(
   if (!Layout)
     return;
 
-  const MCSection &SecA = *AD.getFragment()->getParent();
-  const MCSection &SecB = *BD.getFragment()->getParent();
+  const MCSection &SecA = *SA.getFragment()->getParent();
+  const MCSection &SecB = *SB.getFragment()->getParent();
 
   if ((&SecA != &SecB) && !Addrs)
     return;
@@ -589,21 +586,28 @@ EvaluateSymbolicAdd(const MCAssembler *Asm, const MCAsmLayout *Layout,
   return true;
 }
 
-bool MCExpr::EvaluateAsRelocatable(MCValue &Res,
+bool MCExpr::evaluateAsRelocatable(MCValue &Res,
                                    const MCAsmLayout *Layout,
                                    const MCFixup *Fixup) const {
   MCAssembler *Assembler = Layout ? &Layout->getAssembler() : nullptr;
-  return EvaluateAsRelocatableImpl(Res, Assembler, Layout, Fixup, nullptr,
+  return evaluateAsRelocatableImpl(Res, Assembler, Layout, Fixup, nullptr,
                                    false);
 }
 
 bool MCExpr::evaluateAsValue(MCValue &Res, const MCAsmLayout &Layout) const {
   MCAssembler *Assembler = &Layout.getAssembler();
-  return EvaluateAsRelocatableImpl(Res, Assembler, &Layout, nullptr, nullptr,
+  return evaluateAsRelocatableImpl(Res, Assembler, &Layout, nullptr, nullptr,
                                    true);
 }
 
 static bool canExpand(const MCSymbol &Sym, const MCAssembler *Asm, bool InSet) {
+  const MCExpr *Expr = Sym.getVariableValue();
+  const auto *Inner = dyn_cast<MCSymbolRefExpr>(Expr);
+  if (Inner) {
+    if (Inner->getKind() == MCSymbolRefExpr::VK_WEAKREF)
+      return false;
+  }
+
   if (InSet)
     return true;
   if (!Asm)
@@ -611,7 +615,7 @@ static bool canExpand(const MCSymbol &Sym, const MCAssembler *Asm, bool InSet) {
   return !Asm->getWriter().isWeak(Sym);
 }
 
-bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
+bool MCExpr::evaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
                                        const MCAsmLayout *Layout,
                                        const MCFixup *Fixup,
                                        const SectionAddrMap *Addrs,
@@ -620,7 +624,7 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
 
   switch (getKind()) {
   case Target:
-    return cast<MCTargetExpr>(this)->EvaluateAsRelocatableImpl(Res, Layout,
+    return cast<MCTargetExpr>(this)->evaluateAsRelocatableImpl(Res, Layout,
                                                                Fixup);
 
   case Constant:
@@ -635,7 +639,7 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
     if (Sym.isVariable() && SRE->getKind() == MCSymbolRefExpr::VK_None &&
         canExpand(Sym, Asm, InSet)) {
       bool IsMachO = SRE->hasSubsectionsViaSymbols();
-      if (Sym.getVariableValue()->EvaluateAsRelocatableImpl(
+      if (Sym.getVariableValue()->evaluateAsRelocatableImpl(
               Res, Asm, Layout, Fixup, Addrs, InSet || IsMachO)) {
         if (!IsMachO)
           return true;
@@ -661,7 +665,7 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
     const MCUnaryExpr *AUE = cast<MCUnaryExpr>(this);
     MCValue Value;
 
-    if (!AUE->getSubExpr()->EvaluateAsRelocatableImpl(Value, Asm, Layout, Fixup,
+    if (!AUE->getSubExpr()->evaluateAsRelocatableImpl(Value, Asm, Layout, Fixup,
                                                       Addrs, InSet))
       return false;
 
@@ -695,9 +699,9 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
     const MCBinaryExpr *ABE = cast<MCBinaryExpr>(this);
     MCValue LHSValue, RHSValue;
 
-    if (!ABE->getLHS()->EvaluateAsRelocatableImpl(LHSValue, Asm, Layout, Fixup,
+    if (!ABE->getLHS()->evaluateAsRelocatableImpl(LHSValue, Asm, Layout, Fixup,
                                                   Addrs, InSet) ||
-        !ABE->getRHS()->EvaluateAsRelocatableImpl(RHSValue, Asm, Layout, Fixup,
+        !ABE->getRHS()->evaluateAsRelocatableImpl(RHSValue, Asm, Layout, Fixup,
                                                   Addrs, InSet))
       return false;
 
@@ -755,11 +759,11 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
   llvm_unreachable("Invalid assembly expression kind!");
 }
 
-MCSection *MCExpr::FindAssociatedSection() const {
+MCSection *MCExpr::findAssociatedSection() const {
   switch (getKind()) {
   case Target:
     // We never look through target specific expressions.
-    return cast<MCTargetExpr>(this)->FindAssociatedSection();
+    return cast<MCTargetExpr>(this)->findAssociatedSection();
 
   case Constant:
     return MCSymbol::AbsolutePseudoSection;
@@ -775,12 +779,12 @@ MCSection *MCExpr::FindAssociatedSection() const {
   }
 
   case Unary:
-    return cast<MCUnaryExpr>(this)->getSubExpr()->FindAssociatedSection();
+    return cast<MCUnaryExpr>(this)->getSubExpr()->findAssociatedSection();
 
   case Binary: {
     const MCBinaryExpr *BE = cast<MCBinaryExpr>(this);
-    MCSection *LHS_S = BE->getLHS()->FindAssociatedSection();
-    MCSection *RHS_S = BE->getRHS()->FindAssociatedSection();
+    MCSection *LHS_S = BE->getLHS()->findAssociatedSection();
+    MCSection *RHS_S = BE->getRHS()->findAssociatedSection();
 
     // If either section is absolute, return the other.
     if (LHS_S == MCSymbol::AbsolutePseudoSection)