[PATCH] propagate IR-level fast-math-flags to DAG nodes

[Sanjay Patel]

Patch updated:

1. Fixed bug when allocating SDNodesWithFlags.
2. Fixed inline problems noted by Eric Christopher.

I didn't split off the flags class from the rest of the patch as suggested by Eric on the previous review because the class is now just a trivial bit container. But if that's still the preferred way to go, please let me know.


http://reviews.llvm.org/D8900

Files:
  include/llvm/CodeGen/SelectionDAG.h
  include/llvm/CodeGen/SelectionDAGNodes.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/PowerPC/fdiv-combine.ll

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