Add an 'inline hint' attribute to represent source

code hints that it would be a good idea to inline
a function ("inline" keyword).  No functional change
yet; FEs do not emit this and inliner does not use it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80063 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 6 insertions, 0 deletions

diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp
index 8d6b5db..23d7f19 100644
--- a/lib/AsmParser/LLLexer.cpp
+++ b/lib/AsmParser/LLLexer.cpp
@@ -556,6 +556,7 @@ lltok::Kind LLLexer::LexIdentifier() {
   KEYWORD(readnone);
   KEYWORD(readonly);
 
+  KEYWORD(inlinehint);
   KEYWORD(noinline);
   KEYWORD(alwaysinline);
   KEYWORD(optsize);
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 5ac4a82..784672a 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -907,6 +907,7 @@ bool LLParser::ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind) {
     case lltok::kw_noinline:        Attrs |= Attribute::NoInline; break;
     case lltok::kw_readnone:        Attrs |= Attribute::ReadNone; break;
     case lltok::kw_readonly:        Attrs |= Attribute::ReadOnly; break;
+    case lltok::kw_inlinehint:      Attrs |= Attribute::InlineHint; break;
     case lltok::kw_alwaysinline:    Attrs |= Attribute::AlwaysInline; break;
     case lltok::kw_optsize:         Attrs |= Attribute::OptimizeForSize; break;
     case lltok::kw_ssp:             Attrs |= Attribute::StackProtect; break;
diff --git a/lib/AsmParser/LLToken.h b/lib/AsmParser/LLToken.h
index a49d054..b053cca 100644
--- a/lib/AsmParser/LLToken.h
+++ b/lib/AsmParser/LLToken.h
@@ -82,6 +82,7 @@ namespace lltok {
     kw_readnone,
     kw_readonly,
 
+    kw_inlinehint,
     kw_noinline,
     kw_alwaysinline,
     kw_optsize,
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index bebad66..e9b3aa9 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -472,6 +472,7 @@ namespace {
         HANDLE_ATTR(Nest);
         HANDLE_ATTR(ReadNone);
         HANDLE_ATTR(ReadOnly);
+        HANDLE_ATTR(InlineHint);
         HANDLE_ATTR(NoInline);
         HANDLE_ATTR(AlwaysInline);
         HANDLE_ATTR(OptimizeForSize);
diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp
index 51fd5f0..d68bba3 100644
--- a/lib/VMCore/Attributes.cpp
+++ b/lib/VMCore/Attributes.cpp
@@ -55,6 +55,8 @@ std::string Attribute::getAsString(Attributes Attrs) {
     Result += "optsize ";
   if (Attrs & Attribute::NoInline)
     Result += "noinline ";
+  if (Attrs & Attribute::InlineHint)
+    Result += "inlinehint ";
   if (Attrs & Attribute::AlwaysInline)
     Result += "alwaysinline ";
   if (Attrs & Attribute::StackProtect)