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/MBFIWrapper.h b/linux-x64/clang/include/llvm/CodeGen/MBFIWrapper.h
new file mode 100644
index 0000000..bcbf3ee
--- /dev/null
+++ b/linux-x64/clang/include/llvm/CodeGen/MBFIWrapper.h
@@ -0,0 +1,48 @@
+//===- llvm/CodeGen/MBFIWrapper.h -------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This class keeps track of branch frequencies of newly created blocks and
+// tail-merged blocks. Used by the TailDuplication and MachineBlockPlacement.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_MBFIWRAPPER_H
+#define LLVM_CODEGEN_MBFIWRAPPER_H
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/Support/BlockFrequency.h"
+
+namespace llvm {
+
+class MachineBasicBlock;
+class MachineBlockFrequencyInfo;
+
+class MBFIWrapper {
+ public:
+ MBFIWrapper(const MachineBlockFrequencyInfo &I) : MBFI(I) {}
+
+ BlockFrequency getBlockFreq(const MachineBasicBlock *MBB) const;
+ void setBlockFreq(const MachineBasicBlock *MBB, BlockFrequency F);
+ Optional<uint64_t> getBlockProfileCount(const MachineBasicBlock *MBB) const;
+
+ raw_ostream &printBlockFreq(raw_ostream &OS,
+ const MachineBasicBlock *MBB) const;
+ raw_ostream &printBlockFreq(raw_ostream &OS,
+ const BlockFrequency Freq) const;
+ void view(const Twine &Name, bool isSimple = true);
+ uint64_t getEntryFreq() const;
+ const MachineBlockFrequencyInfo &getMBFI() { return MBFI; }
+
+ private:
+ const MachineBlockFrequencyInfo &MBFI;
+ DenseMap<const MachineBasicBlock *, BlockFrequency> MergedBBFreq;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_MBFIWRAPPER_H