Add a new attribute called 'jumptable' that creates jump-instruction tables for funct...

[oota-llvm.git] / lib / AsmParser / LLLexer.cpp

diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 00b137d5a7aa4d943acac6c1206ec2041d42f846..b9193e89e7ed5b199e08bd8afff2ef86144153b7 100644 (file)
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -34,6 +34,10 @@ bool LLLexer::Error(LocTy ErrorLoc, const Twine &Msg) const {
   return true;
 }
 
+void LLLexer::Warning(LocTy WarningLoc, const Twine &Msg) const {
+  SM.PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
+}
+
 //===----------------------------------------------------------------------===//
 // Helper functions.
 //===----------------------------------------------------------------------===//
@@ -146,7 +150,7 @@ static bool isLabelChar(char C) {
 static const char *isLabelTail(const char *CurPtr) {
   while (1) {
     if (CurPtr[0] == ':') return CurPtr+1;
-    if (!isLabelChar(CurPtr[0])) return 0;
+    if (!isLabelChar(CurPtr[0])) return nullptr;
     ++CurPtr;
   }
 }
@@ -431,8 +435,8 @@ lltok::Kind LLLexer::LexHash() {
 ///    HexIntConstant  [us]0x[0-9A-Fa-f]+
 lltok::Kind LLLexer::LexIdentifier() {
   const char *StartChar = CurPtr;
-  const char *IntEnd = CurPtr[-1] == 'i' ? 0 : StartChar;
-  const char *KeywordEnd = 0;
+  const char *IntEnd = CurPtr[-1] == 'i' ? nullptr : StartChar;
+  const char *KeywordEnd = nullptr;
 
   for (; isLabelChar(*CurPtr); ++CurPtr) {
     // If we decide this is an integer, remember the end of the sequence.
@@ -451,7 +455,7 @@ lltok::Kind LLLexer::LexIdentifier() {
 
   // Otherwise, this wasn't a label.  If this was valid as an integer type,
   // return it.
-  if (IntEnd == 0) IntEnd = CurPtr;
+  if (!IntEnd) IntEnd = CurPtr;
   if (IntEnd != StartChar) {
     CurPtr = IntEnd;
     uint64_t NumBits = atoull(StartChar, CurPtr);
@@ -465,7 +469,7 @@ lltok::Kind LLLexer::LexIdentifier() {
   }
 
   // Otherwise, this was a letter sequence.  See which keyword this is.
-  if (KeywordEnd == 0) KeywordEnd = CurPtr;
+  if (!KeywordEnd) KeywordEnd = CurPtr;
   CurPtr = KeywordEnd;
   --StartChar;
   unsigned Len = CurPtr-StartChar;
@@ -480,9 +484,9 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(global);  KEYWORD(constant);
 
   KEYWORD(private);
-  KEYWORD(linker_private);
-  KEYWORD(linker_private_weak);
   KEYWORD(internal);
+  KEYWORD(linker_private);        // NOTE: deprecated, for parser compatibility
+  KEYWORD(linker_private_weak);   // NOTE: deprecated, for parser compatibility
   KEYWORD(available_externally);
   KEYWORD(linkonce);
   KEYWORD(linkonce_odr);
@@ -508,6 +512,7 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(null);
   KEYWORD(to);
   KEYWORD(tail);
+  KEYWORD(musttail);
   KEYWORD(target);
   KEYWORD(triple);
   KEYWORD(unwind);
@@ -550,7 +555,6 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(x86_stdcallcc);
   KEYWORD(x86_fastcallcc);
   KEYWORD(x86_thiscallcc);
-  KEYWORD(x86_cdeclmethodcc);
   KEYWORD(arm_apcscc);
   KEYWORD(arm_aapcscc);
   KEYWORD(arm_aapcs_vfpcc);
@@ -579,6 +583,7 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(cold);
   KEYWORD(inlinehint);
   KEYWORD(inreg);
+  KEYWORD(jumptable);
   KEYWORD(minsize);
   KEYWORD(naked);
   KEYWORD(nest);
@@ -589,6 +594,7 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(noimplicitfloat);
   KEYWORD(noinline);
   KEYWORD(nonlazybind);
+  KEYWORD(nonnull);
   KEYWORD(noredzone);
   KEYWORD(noreturn);
   KEYWORD(nounwind);