r250678 - Recommit "Return an ArrayRef instead of having two out parameters of a pointer and length. NFC". Hopefully this time the bots will be happy.

Craig Topper via cfe-commits cfe-commits at lists.llvm.org
Sun Oct 18 20:52:27 PDT 2015


Author: ctopper
Date: Sun Oct 18 22:52:27 2015
New Revision: 250678

URL: http://llvm.org/viewvc/llvm-project?rev=250678&view=rev
Log:
Recommit "Return an ArrayRef instead of having two out parameters of a pointer and length. NFC". Hopefully this time the bots will be happy.

Modified:
    cfe/trunk/include/clang/Basic/TargetInfo.h
    cfe/trunk/lib/Basic/TargetInfo.cpp
    cfe/trunk/lib/Basic/Targets.cpp

Modified: cfe/trunk/include/clang/Basic/TargetInfo.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/TargetInfo.h?rev=250678&r1=250677&r2=250678&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/TargetInfo.h (original)
+++ cfe/trunk/include/clang/Basic/TargetInfo.h Sun Oct 18 22:52:27 2015
@@ -930,14 +930,10 @@ protected:
   virtual enum IntType getPtrDiffTypeV(unsigned AddrSpace) const {
     return PtrDiffType;
   }
-  virtual void getGCCRegNames(const char * const *&Names,
-                              unsigned &NumNames) const = 0;
-  virtual void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                unsigned &NumAliases) const = 0;
-  virtual void getGCCAddlRegNames(const AddlRegName *&Addl,
-                                  unsigned &NumAddl) const {
-    Addl = nullptr;
-    NumAddl = 0;
+  virtual ArrayRef<const char *> getGCCRegNames() const = 0;
+  virtual ArrayRef<GCCRegAlias> getGCCRegAliases() const = 0;
+  virtual ArrayRef<AddlRegName> getGCCAddlRegNames() const {
+    return None;
   }
 };
 

Modified: cfe/trunk/lib/Basic/TargetInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/TargetInfo.cpp?rev=250678&r1=250677&r2=250678&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/TargetInfo.cpp (original)
+++ cfe/trunk/lib/Basic/TargetInfo.cpp Sun Oct 18 22:52:27 2015
@@ -349,49 +349,41 @@ bool TargetInfo::isValidGCCRegisterName(
   if (Name.empty())
     return false;
 
-  const char * const *Names;
-  unsigned NumNames;
-
   // Get rid of any register prefix.
   Name = removeGCCRegisterPrefix(Name);
   if (Name.empty())
       return false;
 
-  getGCCRegNames(Names, NumNames);
+  ArrayRef<const char *> Names = getGCCRegNames();
 
   // If we have a number it maps to an entry in the register name array.
   if (isDigit(Name[0])) {
     int n;
     if (!Name.getAsInteger(0, n))
-      return n >= 0 && (unsigned)n < NumNames;
+      return n >= 0 && (unsigned)n < Names.size();
   }
 
   // Check register names.
-  for (unsigned i = 0; i < NumNames; i++) {
+  for (unsigned i = 0; i < Names.size(); i++) {
     if (Name == Names[i])
       return true;
   }
 
   // Check any additional names that we have.
-  const AddlRegName *AddlNames;
-  unsigned NumAddlNames;
-  getGCCAddlRegNames(AddlNames, NumAddlNames);
-  for (unsigned i = 0; i < NumAddlNames; i++)
+  ArrayRef<AddlRegName> AddlNames = getGCCAddlRegNames();
+  for (unsigned i = 0; i < AddlNames.size(); i++)
     for (unsigned j = 0; j < llvm::array_lengthof(AddlNames[i].Names); j++) {
       if (!AddlNames[i].Names[j])
         break;
       // Make sure the register that the additional name is for is within
       // the bounds of the register names from above.
-      if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < NumNames)
+      if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < Names.size())
         return true;
   }
 
   // Now check aliases.
-  const GCCRegAlias *Aliases;
-  unsigned NumAliases;
-
-  getGCCRegAliases(Aliases, NumAliases);
-  for (unsigned i = 0; i < NumAliases; i++) {
+  ArrayRef<GCCRegAlias> Aliases = getGCCRegAliases();
+  for (unsigned i = 0; i < Aliases.size(); i++) {
     for (unsigned j = 0 ; j < llvm::array_lengthof(Aliases[i].Aliases); j++) {
       if (!Aliases[i].Aliases[j])
         break;
@@ -410,41 +402,33 @@ TargetInfo::getNormalizedGCCRegisterName
   // Get rid of any register prefix.
   Name = removeGCCRegisterPrefix(Name);
 
-  const char * const *Names;
-  unsigned NumNames;
-
-  getGCCRegNames(Names, NumNames);
+  ArrayRef<const char *> Names = getGCCRegNames();
 
   // First, check if we have a number.
   if (isDigit(Name[0])) {
     int n;
     if (!Name.getAsInteger(0, n)) {
-      assert(n >= 0 && (unsigned)n < NumNames &&
+      assert(n >= 0 && (unsigned)n < Names.size() &&
              "Out of bounds register number!");
       return Names[n];
     }
   }
 
   // Check any additional names that we have.
-  const AddlRegName *AddlNames;
-  unsigned NumAddlNames;
-  getGCCAddlRegNames(AddlNames, NumAddlNames);
-  for (unsigned i = 0; i < NumAddlNames; i++)
+  ArrayRef<AddlRegName> AddlNames = getGCCAddlRegNames();
+  for (unsigned i = 0; i < AddlNames.size(); i++)
     for (unsigned j = 0; j < llvm::array_lengthof(AddlNames[i].Names); j++) {
       if (!AddlNames[i].Names[j])
         break;
       // Make sure the register that the additional name is for is within
       // the bounds of the register names from above.
-      if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < NumNames)
+      if (AddlNames[i].Names[j] == Name && AddlNames[i].RegNum < Names.size())
         return Name;
     }
 
   // Now check aliases.
-  const GCCRegAlias *Aliases;
-  unsigned NumAliases;
-
-  getGCCRegAliases(Aliases, NumAliases);
-  for (unsigned i = 0; i < NumAliases; i++) {
+  ArrayRef<GCCRegAlias> Aliases = getGCCRegAliases();
+  for (unsigned i = 0; i < Aliases.size(); i++) {
     for (unsigned j = 0 ; j < llvm::array_lengthof(Aliases[i].Aliases); j++) {
       if (!Aliases[i].Aliases[j])
         break;

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=250678&r1=250677&r2=250678&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Sun Oct 18 22:52:27 2015
@@ -898,10 +898,8 @@ public:
   void setFeatureEnabled(llvm::StringMap<bool> &Features, StringRef Name,
                          bool Enabled) const override;
 
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
     switch (*Name) {
@@ -1388,10 +1386,8 @@ const char * const PPCTargetInfo::GCCReg
   "sfp"
 };
 
-void PPCTargetInfo::getGCCRegNames(const char * const *&Names,
-                                   unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char*> PPCTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 const TargetInfo::GCCRegAlias PPCTargetInfo::GCCRegAliases[] = {
@@ -1464,10 +1460,8 @@ const TargetInfo::GCCRegAlias PPCTargetI
   { { "cc" }, "cr0" },
 };
 
-void PPCTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                     unsigned &NumAliases) const {
-  Aliases = GCCRegAliases;
-  NumAliases = llvm::array_lengthof(GCCRegAliases);
+ArrayRef<TargetInfo::GCCRegAlias> PPCTargetInfo::getGCCRegAliases() const {
+  return llvm::makeArrayRef(GCCRegAliases);
 }
 
 class PPC32TargetInfo : public PPCTargetInfo {
@@ -1652,13 +1646,10 @@ public:
     return Feature == "ptx" || Feature == "nvptx";
   }
 
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
     // No aliases.
-    Aliases = nullptr;
-    NumAliases = 0;
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
@@ -1706,10 +1697,8 @@ const Builtin::Info NVPTXTargetInfo::Bui
 
 const char *const NVPTXTargetInfo::GCCRegNames[] = {"r0"};
 
-void NVPTXTargetInfo::getGCCRegNames(const char *const *&Names,
-                                     unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> NVPTXTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 class NVPTX32TargetInfo : public NVPTXTargetInfo {
@@ -1824,13 +1813,10 @@ public:
     return "";
   }
 
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
 
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
-    Aliases = nullptr;
-    NumAliases = 0;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
   }
 
   bool validateAsmConstraint(const char *&Name,
@@ -2007,10 +1993,8 @@ const char * const AMDGPUTargetInfo::GCC
   "vcc_lo", "vcc_hi", "flat_scr_lo", "flat_scr_hi"
 };
 
-void AMDGPUTargetInfo::getGCCRegNames(const char * const *&Names,
-                                      unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> AMDGPUTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 // Namespace for x86 abstract base class
@@ -2357,20 +2341,14 @@ public:
     Records = BuiltinInfo;
     NumRecords = clang::X86::LastTSBuiltin-Builtin::FirstTSBuiltin;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override {
-    Names = GCCRegNames;
-    NumNames = llvm::array_lengthof(GCCRegNames);
-  }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
-    Aliases = nullptr;
-    NumAliases = 0;
-  }
-  void getGCCAddlRegNames(const AddlRegName *&Names,
-                          unsigned &NumNames) const override {
-    Names = AddlRegNames;
-    NumNames = llvm::array_lengthof(AddlRegNames);
+  ArrayRef<const char *> getGCCRegNames() const override {
+    return llvm::makeArrayRef(GCCRegNames);
+  }
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
+  }
+  ArrayRef<TargetInfo::AddlRegName> getGCCAddlRegNames() const override {
+    return llvm::makeArrayRef(AddlRegNames);
   }
   bool validateCpuSupports(StringRef Name) const override;
   bool validateAsmConstraint(const char *&Name,
@@ -4820,10 +4798,8 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return IsAAPCS ? AAPCSABIBuiltinVaList : TargetInfo::VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
     switch (*Name) {
@@ -4958,10 +4934,8 @@ const char * const ARMTargetInfo::GCCReg
   "q8", "q9", "q10", "q11", "q12", "q13", "q14", "q15"
 };
 
-void ARMTargetInfo::getGCCRegNames(const char * const *&Names,
-                                   unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> ARMTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 const TargetInfo::GCCRegAlias ARMTargetInfo::GCCRegAliases[] = {
@@ -4985,10 +4959,8 @@ const TargetInfo::GCCRegAlias ARMTargetI
   // don't want to substitute one of these for a different-sized one.
 };
 
-void ARMTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                       unsigned &NumAliases) const {
-  Aliases = GCCRegAliases;
-  NumAliases = llvm::array_lengthof(GCCRegAliases);
+ArrayRef<TargetInfo::GCCRegAlias> ARMTargetInfo::getGCCRegAliases() const {
+  return llvm::makeArrayRef(GCCRegAliases);
 }
 
 const Builtin::Info ARMTargetInfo::BuiltinInfo[] = {
@@ -5355,10 +5327,8 @@ public:
     return TargetInfo::AArch64ABIBuiltinVaList;
   }
 
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
 
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
@@ -5468,10 +5438,8 @@ const char *const AArch64TargetInfo::GCC
   "v22", "v23", "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31"
 };
 
-void AArch64TargetInfo::getGCCRegNames(const char *const *&Names,
-                                     unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> AArch64TargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 const TargetInfo::GCCRegAlias AArch64TargetInfo::GCCRegAliases[] = {
@@ -5483,10 +5451,8 @@ const TargetInfo::GCCRegAlias AArch64Tar
   // don't want to substitute one of these for a different-sized one.
 };
 
-void AArch64TargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                       unsigned &NumAliases) const {
-  Aliases = GCCRegAliases;
-  NumAliases = llvm::array_lengthof(GCCRegAliases);
+ArrayRef<TargetInfo::GCCRegAlias> AArch64TargetInfo::getGCCRegAliases() const {
+  return llvm::makeArrayRef(GCCRegAliases);
 }
 
 const Builtin::Info AArch64TargetInfo::BuiltinInfo[] = {
@@ -5607,10 +5573,8 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::CharPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
   const char *getClobbers() const override {
     return "";
   }
@@ -5692,10 +5656,8 @@ const char * const HexagonTargetInfo::GC
   "sa0", "lc0", "sa1", "lc1", "m0", "m1", "usr", "ugp"
 };
 
-void HexagonTargetInfo::getGCCRegNames(const char * const *&Names,
-                                   unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> HexagonTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 
@@ -5705,10 +5667,8 @@ const TargetInfo::GCCRegAlias HexagonTar
   { { "lr" }, "r31" },
  };
 
-void HexagonTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                     unsigned &NumAliases) const {
-  Aliases = GCCRegAliases;
-  NumAliases = llvm::array_lengthof(GCCRegAliases);
+ArrayRef<TargetInfo::GCCRegAlias> HexagonTargetInfo::getGCCRegAliases() const {
+  return llvm::makeArrayRef(GCCRegAliases);
 }
 
 
@@ -5763,10 +5723,8 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override {
     // FIXME: Implement!
@@ -5795,10 +5753,8 @@ const char * const SparcTargetInfo::GCCR
   "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
 };
 
-void SparcTargetInfo::getGCCRegNames(const char * const *&Names,
-                                     unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> SparcTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 const TargetInfo::GCCRegAlias SparcTargetInfo::GCCRegAliases[] = {
@@ -5836,10 +5792,8 @@ const TargetInfo::GCCRegAlias SparcTarge
   { { "i7" }, "r31" },
 };
 
-void SparcTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                       unsigned &NumAliases) const {
-  Aliases = GCCRegAliases;
-  NumAliases = llvm::array_lengthof(GCCRegAliases);
+ArrayRef<TargetInfo::GCCRegAlias> SparcTargetInfo::getGCCRegAliases() const {
+  return llvm::makeArrayRef(GCCRegAliases);
 }
 
 // SPARC v8 is the 32-bit mode selected by Triple::sparc.
@@ -5975,13 +5929,10 @@ public:
     NumRecords = clang::SystemZ::LastTSBuiltin-Builtin::FirstTSBuiltin;
   }
 
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
     // No aliases.
-    Aliases = nullptr;
-    NumAliases = 0;
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override;
@@ -6066,10 +6017,8 @@ const char *const SystemZTargetInfo::GCC
   "f8",  "f10", "f12", "f14", "f9",  "f11", "f13", "f15"
 };
 
-void SystemZTargetInfo::getGCCRegNames(const char *const *&Names,
-                                       unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> SystemZTargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 bool SystemZTargetInfo::
@@ -6138,13 +6087,10 @@ public:
   bool hasFeature(StringRef Feature) const override {
     return Feature == "msp430";
   }
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
     // No aliases.
-    Aliases = nullptr;
-    NumAliases = 0;
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override {
@@ -6172,10 +6118,8 @@ const char *const MSP430TargetInfo::GCCR
     "r0", "r1", "r2",  "r3",  "r4",  "r5",  "r6",  "r7",
     "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"};
 
-void MSP430TargetInfo::getGCCRegNames(const char *const *&Names,
-                                      unsigned &NumNames) const {
-  Names = GCCRegNames;
-  NumNames = llvm::array_lengthof(GCCRegNames);
+ArrayRef<const char *> MSP430TargetInfo::getGCCRegNames() const {
+  return llvm::makeArrayRef(GCCRegNames);
 }
 
 // LLVM and Clang cannot be used directly to output native binaries for
@@ -6241,14 +6185,14 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override {}
+  ArrayRef<const char *> getGCCRegNames() const override { return None; }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override {
     return true;
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {}
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
+  }
 };
 
 class BPFTargetInfo : public TargetInfo {
@@ -6289,19 +6233,15 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override {
-    Names = nullptr;
-    NumNames = 0;
+  ArrayRef<const char *> getGCCRegNames() const override {
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override {
     return true;
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
-    Aliases = nullptr;
-    NumAliases = 0;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
   }
 };
 
@@ -6457,8 +6397,7 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override {
+  ArrayRef<const char *> getGCCRegNames() const override {
     static const char *const GCCRegNames[] = {
       // CPU register names
       // Must match second column of GCCRegAliases
@@ -6483,11 +6422,9 @@ public:
       "$msair",      "$msacsr", "$msaaccess", "$msasave", "$msamodify",
       "$msarequest", "$msamap", "$msaunmap"
     };
-    Names = GCCRegNames;
-    NumNames = llvm::array_lengthof(GCCRegNames);
+    return llvm::makeArrayRef(GCCRegNames);
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override = 0;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override = 0;
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
     switch (*Name) {
@@ -6666,8 +6603,7 @@ public:
     else
       llvm_unreachable("Invalid ABI for Mips32.");
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
     static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
       { { "at" },  "$1" },
       { { "v0" },  "$2" },
@@ -6701,8 +6637,7 @@ public:
       { { "fp","$fp" }, "$30" },
       { { "ra" }, "$31" }
     };
-    Aliases = GCCRegAliases;
-    NumAliases = llvm::array_lengthof(GCCRegAliases);
+    return llvm::makeArrayRef(GCCRegAliases);
   }
 };
 
@@ -6822,8 +6757,7 @@ public:
     else
       llvm_unreachable("Invalid ABI for Mips64.");
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
     static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
       { { "at" },  "$1" },
       { { "v0" },  "$2" },
@@ -6857,8 +6791,7 @@ public:
       { { "fp","$fp" }, "$30" },
       { { "ra" }, "$31" }
     };
-    Aliases = GCCRegAliases;
-    NumAliases = llvm::array_lengthof(GCCRegAliases);
+    return llvm::makeArrayRef(GCCRegAliases);
   }
 
   bool hasInt128Type() const override { return true; }
@@ -6942,10 +6875,8 @@ public:
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::PNaClABIBuiltinVaList;
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override;
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override;
+  ArrayRef<const char *> getGCCRegNames() const override;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
     return false;
@@ -6956,16 +6887,12 @@ public:
   }
 };
 
-void PNaClTargetInfo::getGCCRegNames(const char * const *&Names,
-                                     unsigned &NumNames) const {
-  Names = nullptr;
-  NumNames = 0;
+ArrayRef<const char *> PNaClTargetInfo::getGCCRegNames() const {
+  return None;
 }
 
-void PNaClTargetInfo::getGCCRegAliases(const GCCRegAlias *&Aliases,
-                                       unsigned &NumAliases) const {
-  Aliases = nullptr;
-  NumAliases = 0;
+ArrayRef<TargetInfo::GCCRegAlias> PNaClTargetInfo::getGCCRegAliases() const {
+  return None;
 }
 
 // We attempt to use PNaCl (le32) frontend and Mips32EL backend.
@@ -7007,15 +6934,11 @@ public:
     return TargetInfo::PNaClABIBuiltinVaList;
   }
   const char *getClobbers() const override { return ""; }
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override {
-    Names = nullptr;
-    NumNames = 0;
-  }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
-    Aliases = nullptr;
-    NumAliases = 0;
+  ArrayRef<const char *> getGCCRegNames() const override {
+    return None;
+  }
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {
@@ -7101,15 +7024,11 @@ private:
     // TODO: Implement va_list properly.
     return VoidPtrBuiltinVaList;
   }
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const final {
-    Names = nullptr;
-    NumNames = 0;
-  }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const final {
-    Aliases = nullptr;
-    NumAliases = 0;
+  ArrayRef<const char *> getGCCRegNames() const final {
+    return None;
+  }
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const final {
+    return None;
   }
   bool
   validateAsmConstraint(const char *&Name,
@@ -7218,14 +7137,14 @@ public:
   void getTargetBuiltins(const Builtin::Info *&Records,
                          unsigned &NumRecords) const override {}
   const char *getClobbers() const override { return ""; }
-  void getGCCRegNames(const char *const *&Names,
-                      unsigned &NumNames) const override {}
+  ArrayRef<const char *> getGCCRegNames() const override { return None; }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &info) const override {
     return true;
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {}
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
+  }
   BuiltinVaListKind getBuiltinVaListKind() const override {
     return TargetInfo::VoidPtrBuiltinVaList;
   }
@@ -7303,19 +7222,15 @@ public:
   const char *getClobbers() const override {
     return "";
   }
-  void getGCCRegNames(const char * const *&Names,
-                      unsigned &NumNames) const override {
+  ArrayRef<const char *> getGCCRegNames() const override {
     static const char * const GCCRegNames[] = {
       "r0",   "r1",   "r2",   "r3",   "r4",   "r5",   "r6",   "r7",
       "r8",   "r9",   "r10",  "r11",  "cp",   "dp",   "sp",   "lr"
     };
-    Names = GCCRegNames;
-    NumNames = llvm::array_lengthof(GCCRegNames);
+    return llvm::makeArrayRef(GCCRegNames);
   }
-  void getGCCRegAliases(const GCCRegAlias *&Aliases,
-                        unsigned &NumAliases) const override {
-    Aliases = nullptr;
-    NumAliases = 0;
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return None;
   }
   bool validateAsmConstraint(const char *&Name,
                              TargetInfo::ConstraintInfo &Info) const override {




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