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Author SHA1 Message Date
Charles Davis e8f297ca94 Target/X86: Add explicit Win64 and System V/x86-64 calling conventions. 
Summary:
This patch adds explicit calling convention types for the Win64 and
System V/x86-64 ABIs. This allows code to override the default, and use
the Win64 convention on a target that wants to use SysV (and
vice-versa). This is needed to implement the `ms_abi` and `sysv_abi` GNU
attributes.

Reviewers:

CC:

llvm-svn: 186144
 2013-07-12 06:02:35 +00:00
NAKAMURA Takumi 1850c80afb Target/X86: Tweak allocating shadow area (aka home) on Win64. It must be enough for caller to allocate one. 
llvm-svn: 124949
 2011-02-05 15:11:32 +00:00
Cameron Esfahani d57f9ecd4a Recommit 116056, now with the missing file... 
llvm-svn: 116083
 2010-10-08 19:24:18 +00:00
Andrew Trick cf97db2402 reverting 116056: win64_params.ll may need to be conditionalized? 
llvm-svn: 116063
 2010-10-08 17:22:42 +00:00
Cameron Esfahani a07b5c291d Small patch to restore home register stack space allocation for the Win64 case. Add test case. This code eventually needs to be tighter, since it's always allocating it, even in leaf routines. 
llvm-svn: 116056
 2010-10-08 10:31:30 +00:00