From 5e204486a7dd1e5f7e14e941a2c7e707a8ad1a3b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 25 Apr 2009 18:44:54 +0000
Subject: [PATCH] accept an ignore the no_instrument_function attribute.  Since
 we don't support -pg, we never instrument :)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70061 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Parse/AttributeList.h | 1 +
 lib/Parse/AttributeList.cpp         | 2 ++
 lib/Sema/SemaDeclAttr.cpp           | 1 +
 3 files changed, 4 insertions(+)

diff --git a/include/clang/Parse/AttributeList.h b/include/clang/Parse/AttributeList.h
index b585838df8..6f4e2f2a08 100644
--- a/include/clang/Parse/AttributeList.h
+++ b/include/clang/Parse/AttributeList.h
@@ -70,6 +70,7 @@ public:
     AT_mode,
     AT_nodebug,
     AT_noinline,
+    AT_no_instrument_function,
     AT_nonnull,
     AT_noreturn,
     AT_nothrow,
diff --git a/lib/Parse/AttributeList.cpp b/lib/Parse/AttributeList.cpp
index 8048db887d..a9c552ba17 100644
--- a/lib/Parse/AttributeList.cpp
+++ b/lib/Parse/AttributeList.cpp
@@ -139,6 +139,8 @@ AttributeList::Kind AttributeList::getKind(const IdentifierInfo *Name) {
   case 22:
     if (!memcmp(Str, "objc_ownership_returns", 22))
       return AT_objc_ownership_returns;
+    if (!memcmp(Str, "no_instrument_function", 22))
+      return AT_no_instrument_function;
     break;
   }
   return UnknownAttribute;
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index add12e53c2..8843d92c5c 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -1617,6 +1617,7 @@ static void ProcessDeclAttribute(Decl *D, const AttributeList &Attr, Sema &S) {
   case AttributeList::AT_noinline:    HandleNoinlineAttr  (D, Attr, S); break;
   case AttributeList::AT_regparm:     HandleRegparmAttr   (D, Attr, S); break;
   case AttributeList::IgnoredAttribute: 
+  case AttributeList::AT_no_instrument_function:  // Interacts with -pg.
     // Just ignore
     break;
   default:
-- 
2.50.1