Rename clang to clang-cc.

Tests and drivers updated, still need to shuffle dirs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67602 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/__null.cpp b/test/CodeGenCXX/__null.cpp
index 29416ce..476b0ad 100644
--- a/test/CodeGenCXX/__null.cpp
+++ b/test/CodeGenCXX/__null.cpp
@@ -1,4 +1,4 @@
-// RUN: clang %s -emit-llvm -o %t
+// RUN: clang-cc %s -emit-llvm -o %t
 
 int* a = __null;
 int b = __null;
diff --git a/test/CodeGenCXX/expr.cpp b/test/CodeGenCXX/expr.cpp
index 5b8efac..ae5b0e6 100644
--- a/test/CodeGenCXX/expr.cpp
+++ b/test/CodeGenCXX/expr.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm -x c++ < %s
+// RUN: clang-cc -emit-llvm -x c++ < %s
 
 void f(int x) {
           if (x != 0) return;
diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp
index 5c38d17..855a2ae 100644
--- a/test/CodeGenCXX/mangle.cpp
+++ b/test/CodeGenCXX/mangle.cpp
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm %s -o %t &&
+// RUN: clang-cc -emit-llvm %s -o %t &&
 
 // FIXME: This test is intentionally trivial, because we can't yet
 // CodeGen anything real in C++.