for fastcc from X86CallingConv.td.  This means that nested functions
are not supported for calling convention 'fastcc'.

llvm-svn: 42934

enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden

llvm-svn: 42870

llvm-svn: 42155

(on Darwin, anyway).  Fix some table omissions for
LD arithmetic.

llvm-svn: 40877

llvm-svn: 40566

llvm-svn: 37940

the recent lowering changes, this allows types like <4 x double> to
be returned, using two vector registers.

llvm-svn: 37844

Anton for half of this patch.

llvm-svn: 37641

llvm-svn: 35531

llvm-svn: 35523

llvm-svn: 35489

they always get registers.

llvm-svn: 34748

Factor out a CC_X86_32_Common convention, which is the part shared between
ccc, stdcall and fastcall

llvm-svn: 34732

llvm-svn: 34727

llvm-svn: 34726

llvm-svn: 34721

llvm-svn: 34661

llvm-svn: 34659

llvm-svn: 34658

llvm-svn: 34637

conventions.  This doesn't do anything yet, but may in the future.

llvm-svn: 34636