Forbid driver use in Sema tests

This ports the last Sema tests over to use the frontend directly, and adds a
local lit substitution to disable inappropriate %clang usage under this
directory.

llvm-svn: 199348
diff --git a/clang/test/Sema/carbon.c b/clang/test/Headers/carbon.c
similarity index 100%
rename from clang/test/Sema/carbon.c
rename to clang/test/Headers/carbon.c
diff --git a/clang/test/Sema/lit.local.cfg b/clang/test/Sema/lit.local.cfg
new file mode 100644
index 0000000..f4ef5d2
--- /dev/null
+++ b/clang/test/Sema/lit.local.cfg
@@ -0,0 +1,4 @@
+config.substitutions = list(config.substitutions)
+config.substitutions.insert(0,
+    (r'%clang\b',
+     """*** Do not use the driver in Sema tests. ***""") )
diff --git a/clang/test/Sema/pragma-pack-apple.c b/clang/test/Sema/pragma-pack-apple.c
index 5b33c03..426d984 100644
--- a/clang/test/Sema/pragma-pack-apple.c
+++ b/clang/test/Sema/pragma-pack-apple.c
@@ -1,5 +1,5 @@
-// RUN: %clang -fsyntax-only %s 2>&1 | FileCheck %s
-// RUN: %clang -fsyntax-only -fapple-pragma-pack %s 2>&1 | FileCheck -check-prefix=CHECK-APPLE %s
+// RUN: %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -fsyntax-only -fapple-pragma-pack %s 2>&1 | FileCheck -check-prefix=CHECK-APPLE %s
 
 #pragma pack(push,1)
 #pragma pack(2)
diff --git a/clang/test/Sema/return.c b/clang/test/Sema/return.c
index 7e7c8b7..cfdbe0c 100644
--- a/clang/test/Sema/return.c
+++ b/clang/test/Sema/return.c
@@ -1,4 +1,4 @@
-// RUN: %clang %s -fsyntax-only -Wignored-qualifiers -Wno-error=return-type -Xclang -verify -fblocks -Wno-unreachable-code -Wno-unused-value
+// RUN: %clang_cc1 %s -fsyntax-only -Wignored-qualifiers -Wno-error=return-type -verify -fblocks -Wno-unreachable-code -Wno-unused-value
 
 // clang emits the following warning by default.
 // With GCC, -pedantic, -Wreturn-type or -Wall are required to produce the 
diff --git a/clang/test/Sema/transparent-union.c b/clang/test/Sema/transparent-union.c
index ab1ba18..bbe0a32 100644
--- a/clang/test/Sema/transparent-union.c
+++ b/clang/test/Sema/transparent-union.c
@@ -1,4 +1,4 @@
-// RUN: %clang -fsyntax-only -Xclang -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify %s
 typedef union {
   int *ip;
   float *fp;
diff --git a/clang/test/Sema/warn-missing-variable-declarations.c b/clang/test/Sema/warn-missing-variable-declarations.c
index 631d3d2..e5ce97d 100644
--- a/clang/test/Sema/warn-missing-variable-declarations.c
+++ b/clang/test/Sema/warn-missing-variable-declarations.c
@@ -1,4 +1,4 @@
-// RUN: %clang -Wmissing-variable-declarations -fsyntax-only -Xclang -verify %s
+// RUN: %clang_cc1 -Wmissing-variable-declarations -fsyntax-only -verify %s
 
 int vbad1; // expected-warning{{no previous extern declaration for non-static variable 'vbad1'}}
 
diff --git a/clang/test/Sema/warn-unreachable.c b/clang/test/Sema/warn-unreachable.c
index fd74b5c..1976452 100644
--- a/clang/test/Sema/warn-unreachable.c
+++ b/clang/test/Sema/warn-unreachable.c
@@ -1,4 +1,4 @@
-// RUN: %clang %s -fsyntax-only -Xclang -verify -fblocks -Wunreachable-code -Wno-unused-value -Wno-covered-switch-default
+// RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks -Wunreachable-code -Wno-unused-value -Wno-covered-switch-default
 
 int halt() __attribute__((noreturn));
 int live();
diff --git a/clang/test/Sema/wchar.c b/clang/test/Sema/wchar.c
index 13c2f58..74e482a 100644
--- a/clang/test/Sema/wchar.c
+++ b/clang/test/Sema/wchar.c
@@ -1,5 +1,5 @@
-// RUN: %clang %s -fsyntax-only -Xclang -verify
-// RUN: %clang %s -fsyntax-only -fshort-wchar -Xclang -verify -DSHORT_WCHAR
+// RUN: %clang_cc1 %s -fsyntax-only -verify
+// RUN: %clang_cc1 %s -fsyntax-only -fshort-wchar -verify -DSHORT_WCHAR
 
 typedef __WCHAR_TYPE__ wchar_t;