//
//===----------------------------------------------------------------------===//
//
-// 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.
//
//===----------------------------------------------------------------------===//
/// 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,
- /// CSRet - C Struct Return calling convention. This convention requires
- /// that the function return void and take a pointer as the first argument
- /// of the struct. This is used by targets which need to distinguish
- /// between C functions returning a structure, and C functions taking a
- /// structure pointer as the first argument to the function.
- CSRet = 1,
-
-
// 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
// Target - This is the start of the target-specific calling conventions,
// e.g. fastcall and thiscall on X86.
- FirstTargetCC = 64
+ 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