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

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. ***""") )

clang/test/Sema/pragma-pack-apple.c

@@ -1,5 +1,5 @@
-// RUN: %clang -fsyntax-only %s 2>&1 | FileCheck %s
+// RUN: %clang_cc1 -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 -fapple-pragma-pack %s 2>&1 | FileCheck -check-prefix=CHECK-APPLE %s
 
 #pragma pack(push,1)
 #pragma pack(2)

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 

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;

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'}}
 

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();

clang/test/Sema/wchar.c

@@ -1,5 +1,5 @@
-// RUN: %clang %s -fsyntax-only -Xclang -verify
+// RUN: %clang_cc1 %s -fsyntax-only -verify
-// RUN: %clang %s -fsyntax-only -fshort-wchar -Xclang -verify -DSHORT_WCHAR
+// RUN: %clang_cc1 %s -fsyntax-only -fshort-wchar -verify -DSHORT_WCHAR
 
 typedef __WCHAR_TYPE__ wchar_t;