vendor/llvm/llvm-trunk-r366426

1 files changed, 16 insertions, 7 deletions

diff --git a/include/llvm/CodeGen/TargetCallingConv.h b/include/llvm/CodeGen/TargetCallingConv.h
index 7d138f585171..aebeeecbe506 100644
--- a/include/llvm/CodeGen/TargetCallingConv.h
+++ b/include/llvm/CodeGen/TargetCallingConv.h
@@ -1,9 +1,8 @@
 //===-- llvm/CodeGen/TargetCallingConv.h - Calling Convention ---*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
 //
 //===----------------------------------------------------------------------===//
 //
@@ -46,9 +45,12 @@ namespace ISD {
     unsigned IsInConsecutiveRegsLast : 1;
     unsigned IsInConsecutiveRegs : 1;
     unsigned IsCopyElisionCandidate : 1; ///< Argument copy elision candidate
+    unsigned IsPointer : 1;
 
     unsigned ByValSize; ///< Byval struct size
 
+    unsigned PointerAddrSpace; ///< Address space of pointer argument
+
   public:
     ArgFlagsTy()
         : IsZExt(0), IsSExt(0), IsInReg(0), IsSRet(0), IsByVal(0), IsNest(0),
@@ -56,8 +58,9 @@ namespace ISD {
           IsSwiftSelf(0), IsSwiftError(0), IsHva(0), IsHvaStart(0),
           IsSecArgPass(0), ByValAlign(0), OrigAlign(0),
           IsInConsecutiveRegsLast(0), IsInConsecutiveRegs(0),
-          IsCopyElisionCandidate(0), ByValSize(0) {
-      static_assert(sizeof(*this) == 2 * sizeof(unsigned), "flags are too big");
+          IsCopyElisionCandidate(0), IsPointer(0), ByValSize(0),
+          PointerAddrSpace(0) {
+      static_assert(sizeof(*this) == 3 * sizeof(unsigned), "flags are too big");
     }
 
     bool isZExt() const { return IsZExt; }
@@ -114,6 +117,9 @@ namespace ISD {
     bool isCopyElisionCandidate()  const { return IsCopyElisionCandidate; }
     void setCopyElisionCandidate() { IsCopyElisionCandidate = 1; }
 
+    bool isPointer()  const { return IsPointer; }
+    void setPointer() { IsPointer = 1; }
+
     unsigned getByValAlign() const { return (1U << ByValAlign) / 2; }
     void setByValAlign(unsigned A) {
       ByValAlign = Log2_32(A) + 1;
@@ -128,7 +134,10 @@ namespace ISD {
 
     unsigned getByValSize() const { return ByValSize; }
     void setByValSize(unsigned S) { ByValSize = S; }
-  };
+
+    unsigned getPointerAddrSpace() const { return PointerAddrSpace; }
+    void setPointerAddrSpace(unsigned AS) { PointerAddrSpace = AS; }
+};
 
   /// InputArg - This struct carries flags and type information about a
   /// single incoming (formal) argument or incoming (from the perspective