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 49
