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Commit 92ccbf20 authored by Oren Ben Simhon's avatar Oren Ben Simhon
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[X86] Basic additions to support RegCall Calling Convention. 

The Register Calling Convention (RegCall) was introduced by Intel to optimize parameter transfer on function call.
This calling convention ensures that as many values as possible are passed or returned in registers.
This commit presents the basic additions to LLVM CodeGen in order to support RegCall in X86.

Differential Revision: http://reviews.llvm.org/D25022

llvm-svn: 284108
parent bee9dea3
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