[llvm-commits] [llvm] r73243 - in /llvm/trunk: lib/Transforms/Scalar/InstructionCombining.cpp test/Transforms/InstCombine/fsub-fsub.ll

[Dale Johannesen]

On Jun 12, 2009, at 1:52 PMPDT, Dan Gohman wrote:
> InstCombine doesn't currently know about UnsafeFPMath.
>
> DAGCombine does know about it, and it already does this
> transformation.

OK.  Why on earth doesn't InstCombine know about it?  That seems  
really wrong, there's a lot of target-independent optimizations that  
should be controlled by this.