[cfe-commits] r160766 - in /cfe/trunk: lib/Sema/SemaDecl.cpp test/SemaOpenCL/warn-missing-prototypes.cl

[Tanya Lattner]

Author: tbrethou
Date: Wed Jul 25 19:08:28 2012
New Revision: 160766

URL: http://llvm.org/viewvc/llvm-project?rev=160766&view=rev
Log:
Disable the warning for missing prototypes for OpenCL kernels. Includes testcase.

Added:
    cfe/trunk/test/SemaOpenCL/warn-missing-prototypes.cl
Modified:
    cfe/trunk/lib/Sema/SemaDecl.cpp

Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=160766&r1=160765&r2=160766&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Wed Jul 25 19:08:28 2012
@@ -7509,6 +7509,10 @@
   if (FD->isFunctionTemplateSpecialization())
     return false;
 
+  // Don't warn for OpenCL kernels.
+  if (FD->hasAttr<OpenCLKernelAttr>())
+    return false;
+  
   bool MissingPrototype = true;
   for (const FunctionDecl *Prev = FD->getPreviousDecl();
        Prev; Prev = Prev->getPreviousDecl()) {

Added: cfe/trunk/test/SemaOpenCL/warn-missing-prototypes.cl
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaOpenCL/warn-missing-prototypes.cl?rev=160766&view=auto
==============================================================================
--- cfe/trunk/test/SemaOpenCL/warn-missing-prototypes.cl (added)
+++ cfe/trunk/test/SemaOpenCL/warn-missing-prototypes.cl Wed Jul 25 19:08:28 2012
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wmissing-prototypes %s
+
+void f() { } // expected-warning {{no previous prototype for function 'f'}}
+
+// Don't warn about kernel functions.
+kernel void g() { }