[PATCH] CodeGenPrepare: Avoid and/or i1 in select conditions.

[Matthias Braun]

Thanks for the review Hal, the new version uses hasMultipleConditionRegisters() as default.

> ================

>  Comment at: lib/CodeGen/SelectionDAG/DAGCombiner.cpp:4714

>  @@ +4713,3 @@

>  +  const SDNode *Node = Value.getNode();

>  +  for (auto I = Node->use_begin(), E = Node->use_end(); I != E; ++I) {

>  +    const SDUse &Use = I.getUse();

> 

> - Range-based for?


A range based for prohibits me from doing I.getUse() above as I can't access the iterator anymore.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D7622

Files:
  include/llvm/Target/TargetLowering.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/ARM/movcc-double.ll
  test/CodeGen/R600/or.ll
  test/CodeGen/X86/cmov-double.ll
  test/CodeGen/X86/jump_sign.ll
  test/CodeGen/X86/zext-sext.ll

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