[Clang] Require x86 target for some tests (#209532)

These tests assert behavior about the always-inliner which now requires
a target to be present to check function attribute compatibility for
inlining.

Fix forward for 37b8e76.

(cherry picked from commit 97f7658)

Author: boomanaiden154

clang/test/CodeGen/memcmp-inline-builtin-to-asm.c

@@ -1,5 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 
+// REQUIRES: x86-registered-target
+
 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -o - %s | opt -S -passes=verify | FileCheck %s
 //
 // Verifies that clang detects memcmp inline version and uses it instead of the builtin.

clang/test/CodeGen/memcpy-inline-builtin.c

@@ -1,5 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 
+// REQUIRES: x86-registered-target
+
 // RUN: %clang_cc1 -triple x86_64 -emit-llvm -o - %s | FileCheck %s
 //
 // Verifies that clang detects memcpy inline version and uses it instead of the builtin.

clang/test/CodeGen/pr9614.c

@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-pc-linux -emit-llvm %s -o - | FileCheck %s
 
+// REQUIRES: x86-registered-target
+
 extern void foo_alias (void) __asm ("foo");
 inline void foo (void) {
   return foo_alias ();