[cfe-commits] r55739 - in /cfe/trunk: lib/Sema/SemaDecl.cpp test/Sema/expr-address-of.c

[Daniel Dunbar]

Author: ddunbar
Date: Wed Sep  3 16:54:21 2008
New Revision: 55739

URL: http://llvm.org/viewvc/llvm-project?rev=55739&view=rev
Log:
Set register storage class correctly for function parameters.
 - PR2730

Modified:
    cfe/trunk/lib/Sema/SemaDecl.cpp
    cfe/trunk/test/Sema/expr-address-of.c

Modified: cfe/trunk/lib/Sema/SemaDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDecl.cpp?rev=55739&r1=55738&r2=55739&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaDecl.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDecl.cpp Wed Sep  3 16:54:21 2008
@@ -1421,8 +1421,10 @@
   const DeclSpec &DS = D.getDeclSpec();
   
   // Verify C99 6.7.5.3p2: The only SCS allowed is 'register'.
-  if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified &&
-      DS.getStorageClassSpec() != DeclSpec::SCS_register) {
+  VarDecl::StorageClass StorageClass = VarDecl::None;
+  if (DS.getStorageClassSpec() == DeclSpec::SCS_register) {
+    StorageClass = VarDecl::Register;
+  } else if (DS.getStorageClassSpec() != DeclSpec::SCS_unspecified) {
     Diag(DS.getStorageClassSpecLoc(),
          diag::err_invalid_storage_class_in_func_decl);
     D.getMutableDeclSpec().ClearStorageClassSpecs();
@@ -1485,7 +1487,7 @@
   
   ParmVarDecl *New = ParmVarDecl::Create(Context, CurContext, 
                                          D.getIdentifierLoc(), II,
-                                         parmDeclType, VarDecl::None, 
+                                         parmDeclType, StorageClass, 
                                          0, 0);
   
   if (D.getInvalidType())

Modified: cfe/trunk/test/Sema/expr-address-of.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/expr-address-of.c?rev=55739&r1=55738&r2=55739&view=diff

==============================================================================
--- cfe/trunk/test/Sema/expr-address-of.c (original)
+++ cfe/trunk/test/Sema/expr-address-of.c Wed Sep  3 16:54:21 2008
@@ -86,3 +86,6 @@
   int *_dummy1 = &(arr + 1); // expected-error {{address expression must be an lvalue or a function designator}}
 }
 
+void f6(register int x) {
+  int * dummy0 = &x; // expected-error {{address of register variable requested}}
+}