Introduce a non-uglified syntax for module imports in Objective-C:

  @import identifier [. identifier]* ;

llvm-svn: 147452
diff --git a/clang/test/Modules/Inputs/category_bottom.h b/clang/test/Modules/Inputs/category_bottom.h
index 20f7813..ab4c01c 100644
--- a/clang/test/Modules/Inputs/category_bottom.h
+++ b/clang/test/Modules/Inputs/category_bottom.h
@@ -1,10 +1,10 @@
-__import_module__ category_left;
+@import category_left;
 
 @interface Foo(Bottom)
 -(void)bottom;
 @end
 
-__import_module__ category_right;
+@import category_right;
 
 @interface LeftFoo(Bottom)
 -(void)bottom;
diff --git a/clang/test/Modules/Inputs/category_left.h b/clang/test/Modules/Inputs/category_left.h
index d388a03..05e2a1b 100644
--- a/clang/test/Modules/Inputs/category_left.h
+++ b/clang/test/Modules/Inputs/category_left.h
@@ -1,4 +1,4 @@
-__import_module__ category_top;
+@import category_top;
 
 @interface Foo(Left)
 -(void)left;
diff --git a/clang/test/Modules/Inputs/category_right.h b/clang/test/Modules/Inputs/category_right.h
index a1a1377..48d4f6c 100644
--- a/clang/test/Modules/Inputs/category_right.h
+++ b/clang/test/Modules/Inputs/category_right.h
@@ -1,4 +1,4 @@
-__import_module__ category_top;
+@import category_top;
 
 @interface Foo(Right1)
 -(void)right1;
diff --git a/clang/test/Modules/Inputs/redecl-merge-bottom.h b/clang/test/Modules/Inputs/redecl-merge-bottom.h
index 26a1ba5..a054cd2 100644
--- a/clang/test/Modules/Inputs/redecl-merge-bottom.h
+++ b/clang/test/Modules/Inputs/redecl-merge-bottom.h
@@ -1,11 +1,11 @@
-__import_module__ redecl_merge_left;
+@import redecl_merge_left;
 
 @class C4;
 @class C4;
 @protocol P4;
 @protocol P4;
 @protocol P4;
-__import_module__ redecl_merge_right;
+@import redecl_merge_right;
 
 @class B;
 
diff --git a/clang/test/Modules/Inputs/redecl-merge-left-left.h b/clang/test/Modules/Inputs/redecl-merge-left-left.h
index 0d7fd6a..6126081 100644
--- a/clang/test/Modules/Inputs/redecl-merge-left-left.h
+++ b/clang/test/Modules/Inputs/redecl-merge-left-left.h
@@ -1,4 +1,4 @@
-__import_module__ redecl_merge_left;
+@import redecl_merge_left;
 
 @class C4;
 void accept_a_C4(C4*);
diff --git a/clang/test/Modules/Inputs/redecl-merge-left.h b/clang/test/Modules/Inputs/redecl-merge-left.h
index 4ea1e70e..82146f7 100644
--- a/clang/test/Modules/Inputs/redecl-merge-left.h
+++ b/clang/test/Modules/Inputs/redecl-merge-left.h
@@ -1,4 +1,4 @@
-__import_module__ redecl_merge_top;
+@import redecl_merge_top;
 
 @class A;
 
diff --git a/clang/test/Modules/Inputs/redecl-merge-right.h b/clang/test/Modules/Inputs/redecl-merge-right.h
index 82051d4..b6dfe2f 100644
--- a/clang/test/Modules/Inputs/redecl-merge-right.h
+++ b/clang/test/Modules/Inputs/redecl-merge-right.h
@@ -1,4 +1,4 @@
-__import_module__ redecl_merge_top;
+@import redecl_merge_top;
 
 @interface Super
 @end
@@ -55,5 +55,5 @@
 #endif
 
 int ONE;
-__import_module__ redecl_merge_top.Explicit;
+@import redecl_merge_top.Explicit;
 const int one = ONE;