[PATCH] D21284: Fold fmin(nnan x, inf) -> x, fmax(nnan x, -inf) -> x, fmax(nnan ninf x, -flt_max) -> x and fmin(nnan ninf x, flt_max) -> x

[Karthik Bhat via llvm-commits]

karthikthecool created this revision.
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Hi,
Implement few TODO's in InstCombineCalls.

This patch enables folding the following instructions-
fmin(nnan x, inf) -> x
fmax(nnan x, -inf) -> x

&

fmax(nnan ninf x, -flt_max) -> x
fmin(nnan ninf x, flt_max) -> x

Thanks
Karthik Bhat

Repository:
  rL LLVM

http://reviews.llvm.org/D21284

Files:
  lib/Transforms/InstCombine/InstCombineCalls.cpp
  test/Transforms/InstCombine/maxnum.ll
  test/Transforms/InstCombine/minnum.ll

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