Sanjay Patel 1d3aecea02 [InstCombine] sub X, sext(bool Y) -> add X, zext(bool Y)
Prefer add/zext because they are better supported in terms of value-tracking.

Note that the backend should be prepared for this IR canonicalization 
(including vector types) after:
https://reviews.llvm.org/rL284015

Differential Revision: https://reviews.llvm.org/D25135


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@284241 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-14 15:24:31 +00:00
2016-10-14 14:41:46 +00:00
2016-10-14 14:41:46 +00:00
2016-08-02 13:26:07 +00:00

Low Level Virtual Machine (LLVM)
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