r228119 - Register parameters have local storage.

[Anna Zaks]

Author: zaks
Date: Wed Feb  4 01:15:12 2015
New Revision: 228119

URL: http://llvm.org/viewvc/llvm-project?rev=228119&view=rev
Log:
Register parameters have local storage.

Fixes a regression introduced in r209149.

Modified:
    cfe/trunk/include/clang/AST/Decl.h
    cfe/trunk/test/Analysis/stack-addr-ps.c

Modified: cfe/trunk/include/clang/AST/Decl.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/Decl.h?rev=228119&r1=228118&r2=228119&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/Decl.h (original)
+++ cfe/trunk/include/clang/AST/Decl.h Wed Feb  4 01:15:12 2015
@@ -840,7 +840,7 @@ public:
       return !isFileVarDecl() && getTSCSpec() == TSCS_unspecified;
 
     // Global Named Register (GNU extension)
-    if (getStorageClass() == SC_Register && !isLocalVarDecl())
+    if (getStorageClass() == SC_Register && !isLocalVarDeclOrParm())
       return false;
 
     // Return true for:  Auto, Register.

Modified: cfe/trunk/test/Analysis/stack-addr-ps.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Analysis/stack-addr-ps.c?rev=228119&r1=228118&r2=228119&view=diff
==============================================================================
--- cfe/trunk/test/Analysis/stack-addr-ps.c (original)
+++ cfe/trunk/test/Analysis/stack-addr-ps.c Wed Feb  4 01:15:12 2015
@@ -90,3 +90,10 @@ RDar10348049 test_rdar10348049(void) {
   return b; // no-warning
 }
 
+void testRegister(register const char *reg) {
+    if (reg) (void)reg[0];
+}
+void callTestRegister() {
+    char buf[20];
+    testRegister(buf); // no-warning
+}