X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fllvm%2FCallingConv.h;h=072f7c3863027aaa0430f30e71a90acf188fe77f;hb=de62aeaec49ddcf4a4c61fbbb3a22d3a4dd448f0;hp=6da5482f454ff6f4690fc02b43cdd518ebcd0235;hpb=a62e52ab181c10738066e65a6dcc6c3cdfa5d806;p=oota-llvm.git diff --git a/include/llvm/CallingConv.h b/include/llvm/CallingConv.h index 6da5482f454..072f7c38630 100644 --- a/include/llvm/CallingConv.h +++ b/include/llvm/CallingConv.h @@ -2,13 +2,12 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // -// This file defines a set of enums which specify the assigned numeric values -// for known llvm calling conventions. +// This file defines LLVM's set of calling conventions. // //===----------------------------------------------------------------------===// @@ -21,20 +20,22 @@ namespace llvm { /// the well-known calling conventions. /// namespace CallingConv { + /// A set of enums which specify the assigned numeric values for known llvm + /// calling conventions. + /// @brief LLVM Calling Convention Representation enum ID { - // C - The default llvm calling convention, compatible with C. This - // convention is the only calling convention that supports varargs calls. - // As with typical C calling conventions, the callee/caller have to tolerate - // certain amounts of prototype mismatch. + /// C - The default llvm calling convention, compatible with C. This + /// convention is the only calling convention that supports varargs calls. + /// As with typical C calling conventions, the callee/caller have to + /// tolerate certain amounts of prototype mismatch. C = 0, - - + // Generic LLVM calling conventions. None of these calling conventions // support varargs calls, and all assume that the caller and callee // prototype exactly match. - // Fast - This calling convention attempts to make calls as fast as possible - // (e.g. by passing things in registers). + /// Fast - This calling convention attempts to make calls as fast as + /// possible (e.g. by passing things in registers). Fast = 8, // Cold - This calling convention attempts to make code in the caller as @@ -46,6 +47,17 @@ namespace CallingConv { // Target - This is the start of the target-specific calling conventions, // e.g. fastcall and thiscall on X86. FirstTargetCC = 64, + + /// X86_StdCall - stdcall is the calling conventions mostly used by the + /// Win32 API. It is basically the same as the C convention with the + /// difference in that the callee is responsible for popping the arguments + /// from the stack. + X86_StdCall = 64, + + /// X86_FastCall - 'fast' analog of X86_StdCall. Passes first two arguments + /// in ECX:EDX registers, others - via stack. Callee is responsible for + /// stack cleaning. + X86_FastCall = 65 }; } // End CallingConv namespace