Remove LLVM_NOEXCEPT and replace it with noexcept

Now that we have dropped MSVC 2013, all supported compilers support
noexcept and we can drop this portability macro.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284672 91177308-0d34-0410-b5e6-96231b3b80d8

Author: rnk

include/llvm/MC/MCContext.h

@@ -578,7 +578,7 @@ namespace llvm {
 ///                  allocator supports it).
 /// \return The allocated memory. Could be NULL.
 inline void *operator new(size_t Bytes, llvm::MCContext &C,
-                          size_t Alignment = 8) LLVM_NOEXCEPT {
+                          size_t Alignment = 8) noexcept {
   return C.allocate(Bytes, Alignment);
 }
 /// \brief Placement delete companion to the new above.
@@ -587,8 +587,7 @@ inline void *operator new(size_t Bytes, llvm::MCContext &C,
 /// invoking it directly; see the new operator for more details. This operator
 /// is called implicitly by the compiler if a placement new expression using
 /// the MCContext throws in the object constructor.
-inline void operator delete(void *Ptr, llvm::MCContext &C,
-                            size_t) LLVM_NOEXCEPT {
+inline void operator delete(void *Ptr, llvm::MCContext &C, size_t) noexcept {
   C.deallocate(Ptr);
 }
 
@@ -612,7 +611,7 @@ inline void operator delete(void *Ptr, llvm::MCContext &C,
 ///                  allocator supports it).
 /// \return The allocated memory. Could be NULL.
 inline void *operator new[](size_t Bytes, llvm::MCContext &C,
-                            size_t Alignment = 8) LLVM_NOEXCEPT {
+                            size_t Alignment = 8) noexcept {
   return C.allocate(Bytes, Alignment);
 }
 
@@ -622,7 +621,7 @@ inline void *operator new[](size_t Bytes, llvm::MCContext &C,
 /// invoking it directly; see the new[] operator for more details. This operator
 /// is called implicitly by the compiler if a placement new[] expression using
 /// the MCContext throws in the object constructor.
-inline void operator delete[](void *Ptr, llvm::MCContext &C) LLVM_NOEXCEPT {
+inline void operator delete[](void *Ptr, llvm::MCContext &C) noexcept {
   C.deallocate(Ptr);
 }
 

include/llvm/Support/Compiler.h

@@ -73,12 +73,6 @@
 #define LLVM_MSC_PREREQ(version) 0
 #endif
 
-#if !defined(_MSC_VER) || defined(__clang__) || LLVM_MSC_PREREQ(1900)
-#define LLVM_NOEXCEPT noexcept
-#else
-#define LLVM_NOEXCEPT throw()
-#endif
-
 /// \brief Does the compiler support ref-qualifiers for *this?
 ///
 /// Sadly, this is separate from just rvalue reference support because GCC

include/llvm/Support/YAMLParser.h

@@ -144,20 +144,20 @@ class Node {
   unsigned int getType() const { return TypeID; }
 
   void *operator new(size_t Size, BumpPtrAllocator &Alloc,
-                     size_t Alignment = 16) LLVM_NOEXCEPT {
+                     size_t Alignment = 16) noexcept {
     return Alloc.Allocate(Size, Alignment);
   }
 
   void operator delete(void *Ptr, BumpPtrAllocator &Alloc,
-                       size_t Size) LLVM_NOEXCEPT {
+                       size_t Size) noexcept {
     Alloc.Deallocate(Ptr, Size);
   }
 
 protected:
   std::unique_ptr<Document> &Doc;
   SMRange SourceRange;
 
-  void operator delete(void *) LLVM_NOEXCEPT = delete;
+  void operator delete(void *) noexcept = delete;
 
   ~Node() = default;
 

lib/Bitcode/Reader/BitcodeReader.cpp

@@ -6581,7 +6581,7 @@ namespace {
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
 class BitcodeErrorCategoryType : public std::error_category {
-  const char *name() const LLVM_NOEXCEPT override {
+  const char *name() const noexcept override {
     return "llvm.bitcode";
   }
   std::string message(int IE) const override {

lib/DebugInfo/CodeView/CodeViewError.cpp

@@ -20,7 +20,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class CodeViewErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.codeview"; }
+  const char *name() const noexcept override { return "llvm.codeview"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<cv_error_code>(Condition)) {

lib/DebugInfo/MSF/MSFError.cpp

@@ -20,7 +20,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class MSFErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.msf"; }
+  const char *name() const noexcept override { return "llvm.msf"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<msf_error_code>(Condition)) {

lib/DebugInfo/PDB/DIA/DIAError.cpp

@@ -10,7 +10,7 @@ using namespace llvm::pdb;
 // deal with the Error value directly, rather than converting to error_code.
 class DIAErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.pdb.dia"; }
+  const char *name() const noexcept override { return "llvm.pdb.dia"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<dia_error_code>(Condition)) {

lib/DebugInfo/PDB/GenericError.cpp

@@ -20,7 +20,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class GenericErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.pdb"; }
+  const char *name() const noexcept override { return "llvm.pdb"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<generic_error_code>(Condition)) {

lib/DebugInfo/PDB/Raw/RawError.cpp

@@ -11,7 +11,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class RawErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.pdb.raw"; }
+  const char *name() const noexcept override { return "llvm.pdb.raw"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<raw_error_code>(Condition)) {

lib/ExecutionEngine/Orc/OrcError.cpp

@@ -25,7 +25,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class OrcErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "orc"; }
+  const char *name() const noexcept override { return "orc"; }
 
   std::string message(int condition) const override {
     switch (static_cast<OrcErrorCode>(condition)) {

lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp

@@ -39,7 +39,7 @@ enum RuntimeDyldErrorCode {
 // deal with the Error value directly, rather than converting to error_code.
 class RuntimeDyldErrorCategory : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "runtimedyld"; }
+  const char *name() const noexcept override { return "runtimedyld"; }
 
   std::string message(int Condition) const override {
     switch (static_cast<RuntimeDyldErrorCode>(Condition)) {

lib/Object/Error.cpp

@@ -24,12 +24,12 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class _object_error_category : public std::error_category {
 public:
-  const char* name() const LLVM_NOEXCEPT override;
+  const char* name() const noexcept override;
   std::string message(int ev) const override;
 };
 }
 
-const char *_object_error_category::name() const LLVM_NOEXCEPT {
+const char *_object_error_category::name() const noexcept {
   return "llvm.object";
 }
 

lib/ProfileData/Coverage/CoverageMapping.cpp

@@ -589,7 +589,7 @@ std::string getCoverageMapErrString(coveragemap_error Err) {
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
 class CoverageMappingErrorCategoryType : public std::error_category {
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.coveragemap"; }
+  const char *name() const noexcept override { return "llvm.coveragemap"; }
   std::string message(int IE) const override {
     return getCoverageMapErrString(static_cast<coveragemap_error>(IE));
   }

lib/ProfileData/InstrProf.cpp

@@ -80,7 +80,7 @@ std::string getInstrProfErrString(instrprof_error Err) {
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
 class InstrProfErrorCategoryType : public std::error_category {
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.instrprof"; }
+  const char *name() const noexcept override { return "llvm.instrprof"; }
   std::string message(int IE) const override {
     return getInstrProfErrString(static_cast<instrprof_error>(IE));
   }

lib/ProfileData/SampleProf.cpp

@@ -24,7 +24,7 @@ namespace {
 // will be removed once this transition is complete. Clients should prefer to
 // deal with the Error value directly, rather than converting to error_code.
 class SampleProfErrorCategoryType : public std::error_category {
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.sampleprof"; }
+  const char *name() const noexcept override { return "llvm.sampleprof"; }
   std::string message(int IE) const override {
     sampleprof_error E = static_cast<sampleprof_error>(IE);
     switch (E) {

lib/Support/Error.cpp

@@ -28,7 +28,7 @@ namespace {
   // deal with the Error value directly, rather than converting to error_code.
   class ErrorErrorCategory : public std::error_category {
   public:
-    const char *name() const LLVM_NOEXCEPT override { return "Error"; }
+    const char *name() const noexcept override { return "Error"; }
 
     std::string message(int condition) const override {
       switch (static_cast<ErrorErrorCode>(condition)) {

tools/llvm-cxxdump/Error.cpp

@@ -22,7 +22,7 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class cxxdump_error_category : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override { return "llvm.cxxdump"; }
+  const char *name() const noexcept override { return "llvm.cxxdump"; }
   std::string message(int ev) const override {
     switch (static_cast<cxxdump_error>(ev)) {
     case cxxdump_error::success:

tools/llvm-readobj/Error.cpp

@@ -22,12 +22,12 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class _readobj_error_category : public std::error_category {
 public:
-  const char* name() const LLVM_NOEXCEPT override;
+  const char* name() const noexcept override;
   std::string message(int ev) const override;
 };
 } // namespace
 
-const char *_readobj_error_category::name() const LLVM_NOEXCEPT {
+const char *_readobj_error_category::name() const noexcept {
   return "llvm.readobj";
 }
 

tools/obj2yaml/Error.cpp

@@ -18,12 +18,12 @@ namespace {
 // deal with the Error value directly, rather than converting to error_code.
 class _obj2yaml_error_category : public std::error_category {
 public:
-  const char *name() const LLVM_NOEXCEPT override;
+  const char *name() const noexcept override;
   std::string message(int ev) const override;
 };
 } // namespace
 
-const char *_obj2yaml_error_category::name() const LLVM_NOEXCEPT {
+const char *_obj2yaml_error_category::name() const noexcept {
   return "obj2yaml";
 }