Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 73 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/MC/MCInstBuilder.h b/clang-r353983/include/llvm/MC/MCInstBuilder.h
new file mode 100644
index 00000000..0c8e01fd
--- /dev/null
+++ b/clang-r353983/include/llvm/MC/MCInstBuilder.h
@@ -0,0 +1,73 @@
+//===-- llvm/MC/MCInstBuilder.h - Simplify creation of MCInsts --*- 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 file contains the MCInstBuilder class for convenient creation of
+// MCInsts.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCINSTBUILDER_H
+#define LLVM_MC_MCINSTBUILDER_H
+
+#include "llvm/MC/MCInst.h"
+
+namespace llvm {
+
+class MCInstBuilder {
+  MCInst Inst;
+
+public:
+  /// Create a new MCInstBuilder for an MCInst with a specific opcode.
+  MCInstBuilder(unsigned Opcode) {
+    Inst.setOpcode(Opcode);
+  }
+
+  /// Add a new register operand.
+  MCInstBuilder &addReg(unsigned Reg) {
+    Inst.addOperand(MCOperand::createReg(Reg));
+    return *this;
+  }
+
+  /// Add a new integer immediate operand.
+  MCInstBuilder &addImm(int64_t Val) {
+    Inst.addOperand(MCOperand::createImm(Val));
+    return *this;
+  }
+
+  /// Add a new floating point immediate operand.
+  MCInstBuilder &addFPImm(double Val) {
+    Inst.addOperand(MCOperand::createFPImm(Val));
+    return *this;
+  }
+
+  /// Add a new MCExpr operand.
+  MCInstBuilder &addExpr(const MCExpr *Val) {
+    Inst.addOperand(MCOperand::createExpr(Val));
+    return *this;
+  }
+
+  /// Add a new MCInst operand.
+  MCInstBuilder &addInst(const MCInst *Val) {
+    Inst.addOperand(MCOperand::createInst(Val));
+    return *this;
+  }
+
+  /// Add an operand.
+  MCInstBuilder &addOperand(const MCOperand &Op) {
+    Inst.addOperand(Op);
+    return *this;
+  }
+
+  operator MCInst&() {
+    return Inst;
+  }
+};
+
+} // end namespace llvm
+
+#endif