src/llvm/lib/Target/X86/X86CallingConv.h

   1 //=== X86CallingConv.h - X86 Custom Calling Convention Routines -*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains the custom routines for the X86 Calling Convention that
  11 // aren't done by tablegen.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_LIB_TARGET_X86_X86CALLINGCONV_H
  16 #define LLVM_LIB_TARGET_X86_X86CALLINGCONV_H
  17
  18 #include "llvm/CodeGen/CallingConvLower.h"
  19 #include "llvm/IR/CallingConv.h"
  20
  21 namespace llvm {
  22
  23 inline bool CC_X86_32_VectorCallIndirect(unsigned &ValNo, MVT &ValVT,
  24                                          MVT &LocVT,
  25                                          CCValAssign::LocInfo &LocInfo,
  26                                          ISD::ArgFlagsTy &ArgFlags,
  27                                          CCState &State) {
  28   // Similar to CCPassIndirect, with the addition of inreg.
  29   LocVT = MVT::i32;
  30   LocInfo = CCValAssign::Indirect;
  31   ArgFlags.setInReg();
  32   return false; // Continue the search, but now for i32.
  33 }
  34
  35
  36 inline bool CC_X86_AnyReg_Error(unsigned &, MVT &, MVT &,
  37                                 CCValAssign::LocInfo &, ISD::ArgFlagsTy &,
  38                                 CCState &) {
  39   llvm_unreachable("The AnyReg calling convention is only supported by the " \
  40                    "stackmap and patchpoint intrinsics.");
  41   // gracefully fallback to X86 C calling convention on Release builds.
  42   return false;
  43 }
  44
  45 } // End llvm namespace
  46
  47 #endif
  48