Update prebuilt Clang to r416183b from Android.
https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef
clang 12.0.5 (based on r416183b) from build 7284624.
Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/llvm/CodeGen/MachineStableHash.h b/linux-x64/clang/include/llvm/CodeGen/MachineStableHash.h
new file mode 100644
index 0000000..8423b2d
--- /dev/null
+++ b/linux-x64/clang/include/llvm/CodeGen/MachineStableHash.h
@@ -0,0 +1,30 @@
+//===------------ MachineStableHash.h - MIR Stable Hashing Utilities ------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Stable hashing for MachineInstr and MachineOperand. Useful or getting a
+// hash across runs, modules, etc.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MACHINESTABLEHASH_H
+#define LLVM_CODEGEN_MACHINESTABLEHASH_H
+
+#include "llvm/CodeGen/StableHashing.h"
+
+namespace llvm {
+class MachineInstr;
+class MachineOperand;
+
+stable_hash stableHashValue(const MachineOperand &MO);
+stable_hash stableHashValue(const MachineInstr &MI, bool HashVRegs = false,
+ bool HashConstantPoolIndices = false,
+ bool HashMemOperands = false);
+
+} // namespace llvm
+
+#endif