Add frontend support for __vectorcall

Wire it through everywhere we have support for fastcall, essentially.

This allows us to parse the MSVC "14" CTP headers, but we will
miscompile them because LLVM doesn't support __vectorcall yet.

Reviewed By: Aaron Ballman

Differential Revision: http://reviews.llvm.org/D5808

llvm-svn: 220573

1 files changed, 26 insertions, 9 deletions

diff --git a/clang/lib/Parse/ParseDecl.cpp b/clang/lib/Parse/ParseDecl.cpp
index eb77b095ed7..054df9f62fa 100644
--- a/clang/lib/Parse/ParseDecl.cpp
+++ b/clang/lib/Parse/ParseDecl.cpp
@@ -588,15 +588,28 @@ void Parser::ParseMicrosoftDeclSpec(ParsedAttributes &Attrs) {
 
 void Parser::ParseMicrosoftTypeAttributes(ParsedAttributes &attrs) {
   // Treat these like attributes
-  while (Tok.is(tok::kw___fastcall) || Tok.is(tok::kw___stdcall) ||
-         Tok.is(tok::kw___thiscall) || Tok.is(tok::kw___cdecl)   ||
-         Tok.is(tok::kw___ptr64) || Tok.is(tok::kw___w64) ||
-         Tok.is(tok::kw___ptr32) || Tok.is(tok::kw___unaligned) ||
-         Tok.is(tok::kw___sptr) || Tok.is(tok::kw___uptr)) {
-    IdentifierInfo *AttrName = Tok.getIdentifierInfo();
-    SourceLocation AttrNameLoc = ConsumeToken();
-    attrs.addNew(AttrName, AttrNameLoc, nullptr, AttrNameLoc, nullptr, 0,
-                 AttributeList::AS_Keyword);
+  while (true) {
+    switch (Tok.getKind()) {
+    case tok::kw___fastcall:
+    case tok::kw___stdcall:
+    case tok::kw___thiscall:
+    case tok::kw___cdecl:
+    case tok::kw___vectorcall:
+    case tok::kw___ptr64:
+    case tok::kw___w64:
+    case tok::kw___ptr32:
+    case tok::kw___unaligned:
+    case tok::kw___sptr:
+    case tok::kw___uptr: {
+      IdentifierInfo *AttrName = Tok.getIdentifierInfo();
+      SourceLocation AttrNameLoc = ConsumeToken();
+      attrs.addNew(AttrName, AttrNameLoc, nullptr, AttrNameLoc, nullptr, 0,
+                   AttributeList::AS_Keyword);
+      break;
+    }
+    default:
+      return;
+    }
   }
 }
 
@@ -2876,6 +2889,7 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
     case tok::kw___stdcall:
     case tok::kw___fastcall:
     case tok::kw___thiscall:
+    case tok::kw___vectorcall:
     case tok::kw___unaligned:
       ParseMicrosoftTypeAttributes(DS.getAttributes());
       continue;
@@ -4066,6 +4080,7 @@ bool Parser::isTypeSpecifierQualifier() {
   case tok::kw___stdcall:
   case tok::kw___fastcall:
   case tok::kw___thiscall:
+  case tok::kw___vectorcall:
   case tok::kw___w64:
   case tok::kw___ptr64:
   case tok::kw___ptr32:
@@ -4234,6 +4249,7 @@ bool Parser::isDeclarationSpecifier(bool DisambiguatingWithExpression) {
   case tok::kw___stdcall:
   case tok::kw___fastcall:
   case tok::kw___thiscall:
+  case tok::kw___vectorcall:
   case tok::kw___w64:
   case tok::kw___sptr:
   case tok::kw___uptr:
@@ -4457,6 +4473,7 @@ void Parser::ParseTypeQualifierListOpt(DeclSpec &DS, unsigned AttrReqs,
     case tok::kw___stdcall:
     case tok::kw___fastcall:
     case tok::kw___thiscall:
+    case tok::kw___vectorcall:
     case tok::kw___unaligned:
       if (AttrReqs & AR_DeclspecAttributesParsed) {
         ParseMicrosoftTypeAttributes(DS.getAttributes());