Imported Upstream version 5.18.0.179

Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215

external/llvm/lib/Target/X86/InstPrinter/X86InstComments.h

@@ -0,0 +1,33 @@
+//=- X86InstComments.h - Generate verbose-asm comments for instrs -*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This defines functionality used to emit comments about X86 instructions to
+// an output stream for -fverbose-asm.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_X86_INSTPRINTER_X86INSTCOMMENTS_H
+#define LLVM_LIB_TARGET_X86_INSTPRINTER_X86INSTCOMMENTS_H
+
+#include "llvm/CodeGen/MachineInstr.h"
+
+namespace llvm {
+
+  enum AsmComments {
+    // For instr that was compressed from EVEX to VEX.
+    AC_EVEX_2_VEX = MachineInstr::TAsmComments
+  };
+
+  class MCInst;
+  class raw_ostream;
+  bool EmitAnyX86InstComments(const MCInst *MI, raw_ostream &OS,
+                              const char *(*getRegName)(unsigned));
+}
+
+#endif