[PATCH] R600: Fix nonsensical implementation of computeKnownBits for BFE

[Matt Arsenault]

This was resulting in invalid simplifications of sdiv

http://reviews.llvm.org/D5804

Files:
  lib/Target/R600/AMDGPUISelLowering.cpp
  test/CodeGen/R600/llvm.AMDGPU.bfe.i32.ll
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D5804.14957.patch
Type: text/x-patch
Size: 1591 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20141015/1dc8fb27/attachment.bin>