[Driver][test] Fix incorrect -arch= -amx-int8

This is not a driver option. It happens to work because of an ignored Joined -a.

Author: MaskRay

clang/test/Driver/darwin-version.c

@@ -309,7 +309,7 @@
 
 // Target with OS version is not overridden by arch:
 
-// RUN: %clang -target uknown-apple-macos10.11.2 -arch=armv7k -c %s -### 2>&1 | \
+// RUN: %clang -target uknown-apple-macos10.11.2 -c %s -### 2>&1 | \
 // RUN:   FileCheck --check-prefix=CHECK-VERSION-TIGNORE-ARCH1 %s
 // CHECK-VERSION-TIGNORE-ARCH1: "unknown-apple-macosx10.11.2"
 

clang/test/Preprocessor/x86_amx_target_features.c

@@ -20,7 +20,7 @@
 
 // NOAMX-BF16-NOT: #define __AMXBF16__ 1
 
-// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -amx-bf16 -mno-amx-tile -x c -E -dM -o - %s | FileCheck  -check-prefix=NOAMX-BF16 %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mamx-bf16 -mno-amx-tile -x c -E -dM -o - %s | FileCheck  -check-prefix=NOAMX-BF16 %s
 
 // NOAMX-BF16-NOT: #define __AMXTILE__ 1
 // NOAMX-BF16-NOT: #define __AMXBF16__ 1
@@ -29,7 +29,7 @@
 
 // NOAMX-INT8-NOT: #define __AMXINT8__ 1
 
-// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -amx-int8 -mno-amx-tile -x c -E -dM -o - %s | FileCheck  -check-prefix=NOAMX-INT8 %s
+// RUN: %clang -target i386-unknown-linux-gnu -march=i386 -mamx-int8 -mno-amx-tile -x c -E -dM -o - %s | FileCheck  -check-prefix=NOAMX-INT8 %s
 
 // NOAMX-INT8-NOT: #define __AMXTILE__ 1
 // NOAMX-INT8-NOT: #define __AMXINT8__ 1