[PATCH] D14496: X86: More efficient codegen for 64-bit compares on 32-bit target

[Hans Wennborg via llvm-commits]

hans updated this revision to Diff 40526.
hans added a comment.

Addressing review comments.

I also ran into a problem when the carry value gets folded to CARRY_FALSE. Added code to handle that and a test.

Please take a look.


http://reviews.llvm.org/D14496

Files:
  include/llvm/CodeGen/ISDOpcodes.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  lib/CodeGen/SelectionDAG/LegalizeTypes.h
  lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/X86/2012-08-17-legalizer-crash.ll
  test/CodeGen/X86/atomic-minmax-i6432.ll
  test/CodeGen/X86/atomic128.ll
  test/CodeGen/X86/avx512-cmp.ll
  test/CodeGen/X86/wide-integer-cmp.ll
  test/CodeGen/X86/win32-pic-jumptable.ll

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