[llvm-commits] CVS: llvm/include/llvm/CallingConv.h
Chris Lattner
lattner at cs.uiuc.edu
Fri May 6 12:59:22 PDT 2005
Changes in directory llvm/include/llvm:
CallingConv.h added (r1.1)
---
Log message:
New file
---
Diffs of the changes: (+54 -0)
CallingConv.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 54 insertions(+)
Index: llvm/include/llvm/CallingConv.h
diff -c /dev/null llvm/include/llvm/CallingConv.h:1.1
*** /dev/null Fri May 6 14:59:18 2005
--- llvm/include/llvm/CallingConv.h Fri May 6 14:59:08 2005
***************
*** 0 ****
--- 1,54 ----
+ //===-- llvm/CallingConv.h - LLVM Calling Conventions -----------*- C++ -*-===//
+ //
+ // 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 defines a set of enums which specify the assigned numeric values
+ // for known llvm calling conventions.
+ //
+ //===----------------------------------------------------------------------===//
+
+ #ifndef LLVM_CALLINGCONV_H
+ #define LLVM_CALLINGCONV_H
+
+ namespace llvm {
+
+ /// CallingConv Namespace - This namespace contains an enum with a value for
+ /// the well-known calling conventions.
+ ///
+ namespace CallingConv {
+ 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 = 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 = 8,
+
+ // Cold - This calling convention attempts to make code in the caller as
+ // efficient as possible under the assumption that the call is not commonly
+ // executed. As such, these calls often preserve all registers so that the
+ // call does not break any live ranges in the caller side.
+ Cold = 9,
+
+ // Target - This is the start of the target-specific calling conventions,
+ // e.g. fastcall and thiscall on X86.
+ FirstTargetCC = 64,
+ };
+ } // End CallingConv namespace
+
+ } // End llvm namespace
+
+ #endif
More information about the llvm-commits
mailing list