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/TileShapeInfo.h b/linux-x64/clang/include/llvm/CodeGen/TileShapeInfo.h
new file mode 100644
index 0000000..031d235
--- /dev/null
+++ b/linux-x64/clang/include/llvm/CodeGen/TileShapeInfo.h
@@ -0,0 +1,97 @@
+//===- llvm/CodeGen/TileShapeInfo.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
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file Shape utility for AMX.
+/// AMX hardware requires to config the shape of tile data register before use.
+/// The 2D shape includes row and column. In AMX intrinsics interface the shape
+/// is passed as 1st and 2nd parameter and they are lowered as the 1st and 2nd
+/// machine operand of AMX pseudo instructions. ShapeT class is to facilitate
+/// tile config and register allocator. The row and column are machine operand
+/// of AMX pseudo instructions.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_TILESHAPEINFO_H
+#define LLVM_CODEGEN_TILESHAPEINFO_H
+
+#include "llvm/ADT/DenseMapInfo.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/Register.h"
+#include <utility>
+
+namespace llvm {
+
+class ShapeT {
+public:
+ ShapeT(MachineOperand *Row, MachineOperand *Col,
+ const MachineRegisterInfo *MRI = nullptr)
+ : Row(Row), Col(Col) {
+ if (MRI)
+ deduceImm(MRI);
+ }
+ ShapeT()
+ : Row(nullptr), Col(nullptr), RowImm(InvalidImmShape),
+ ColImm(InvalidImmShape) {}
+ bool operator==(const ShapeT &Shape) {
+ MachineOperand *R = Shape.Row;
+ MachineOperand *C = Shape.Col;
+ if (!R || !C)
+ return false;
+ if (!Row || !Col)
+ return false;
+ if (Row->getReg() == R->getReg() && Col->getReg() == C->getReg())
+ return true;
+ if ((RowImm != InvalidImmShape) && (ColImm != InvalidImmShape))
+ return RowImm == Shape.getRowImm() && ColImm == Shape.getColImm();
+ return false;
+ }
+
+ bool operator!=(const ShapeT &Shape) { return !(*this == Shape); }
+
+ MachineOperand *getRow() const { return Row; }
+
+ MachineOperand *getCol() const { return Col; }
+
+ int64_t getRowImm() const { return RowImm; }
+
+ int64_t getColImm() const { return ColImm; }
+
+ bool isValid() { return (Row != nullptr) && (Col != nullptr); }
+
+ void deduceImm(const MachineRegisterInfo *MRI) {
+ // All def must be the same value, otherwise it is invalid MIs.
+ // Find the immediate.
+ // TODO copy propagation.
+ auto GetImm = [&](Register Reg) {
+ int64_t Imm = InvalidImmShape;
+ for (const MachineOperand &DefMO : MRI->def_operands(Reg)) {
+ const auto *MI = DefMO.getParent();
+ if (MI->isMoveImmediate()) {
+ Imm = MI->getOperand(1).getImm();
+ break;
+ }
+ }
+ return Imm;
+ };
+ RowImm = GetImm(Row->getReg());
+ ColImm = GetImm(Col->getReg());
+ }
+
+private:
+ static constexpr int64_t InvalidImmShape = -1;
+ MachineOperand *Row;
+ MachineOperand *Col;
+ int64_t RowImm;
+ int64_t ColImm;
+};
+
+} // namespace llvm
+
+#endif