[PATCH] Do not use isel on P7 and P8

[Olivier Sallenave]

Thanks for the comments, Hal. Here is a version with a change in the processor definitions of http://reviews.llvm.org/P7/http://reviews.llvm.org/P8. The logic has been moved into enableEarlyIfConversion(), and the optsize attribute is considered. I had to change the signature of that function for that purpose.


http://reviews.llvm.org/D8260

Files:
  include/llvm/Target/TargetSubtargetInfo.h
  lib/CodeGen/EarlyIfConversion.cpp
  lib/Target/AArch64/AArch64Subtarget.cpp
  lib/Target/AArch64/AArch64Subtarget.h
  lib/Target/PowerPC/PPC.td
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCInstrInfo.cpp
  lib/Target/PowerPC/PPCSubtarget.h
  lib/Target/X86/X86Subtarget.h
  test/CodeGen/PowerPC/crbit-asm.ll
  test/CodeGen/PowerPC/crbits.ll
  test/CodeGen/PowerPC/fold-zero.ll
  test/CodeGen/PowerPC/i1-ext-fold.ll
  test/CodeGen/PowerPC/i64-to-float.ll
  test/CodeGen/PowerPC/i64_fp_round.ll
  test/CodeGen/PowerPC/ifcvt.ll
  test/CodeGen/PowerPC/isel.ll
  test/CodeGen/PowerPC/no-isel.ll
  test/CodeGen/PowerPC/p8-isel-sched.ll
  test/CodeGen/PowerPC/subreg-postra-2.ll
  test/CodeGen/PowerPC/subreg-postra.ll

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