Allow the INREG parameter attribute to be added to functions. This permits the function result to be passed in a register. This implements the GCC regparm function attribute for llvm by translation to the InReg parameter attribute  and fixes test/CFrontend/2002-07-30-SubregSetAssertion.c
Allow the INREG parameter attribute to be added to functions. This permits the
function result to be passed in a register. This implements the GCC regparm
function attribute for llvm by translation to the InReg parameter attribute 
and fixes test/CFrontend/2002-07-30-SubregSetAssertion.c


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@40619 91177308-0d34-0410-b5e6-96231b3b80d8

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