[CodeGen][X86] Remove unused check-prefix in movdir tests

Author: RKSimon

clang/test/CodeGen/X86/builtin-movdir.c

@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fno-experimental-new-pass-manager -triple x86_64-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64 --check-prefix=CHECK
-// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fno-experimental-new-pass-manager -triple i386-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=X86 --check-prefix=CHECK
-// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fexperimental-new-pass-manager -triple x86_64-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=X86_64 --check-prefix=CHECK
-// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fexperimental-new-pass-manager -triple i386-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefix=X86 --check-prefix=CHECK
+// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fno-experimental-new-pass-manager -triple x86_64-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,X86_64
+// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fno-experimental-new-pass-manager -triple i386-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK
+// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fexperimental-new-pass-manager -triple x86_64-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,X86_64
+// RUN: %clang_cc1 -ffreestanding -Wall -pedantic -fexperimental-new-pass-manager -triple i386-unknown-unknown -target-feature +movdiri -target-feature +movdir64b %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK
 
 #include <immintrin.h>
 #include <stdint.h>