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Artur Pilipenko 81b9dd6378 [x86] X86ISelLowering zext(add_nuw(x, C)) --> add(zext(x), C_zext)
Currently X86ISelLowering has a similar transformation for sexts:
sext(add_nsw(x, C)) --> add(sext(x), C_sext)

In this change I extend this code to handle zexts as well.

Reviewed By: spatel

Differential Revision: https://reviews.llvm.org/D23359

llvm-svn: 278520
2016-08-12 16:08:30 +00:00
2016-08-04 10:24:48 +00:00
2016-01-26 21:29:08 +00:00
2014-03-02 13:08:46 +00:00
2016-06-23 22:07:21 +00:00
2016-08-04 10:24:48 +00:00
2016-08-02 19:25:17 +00:00
2016-01-26 21:29:08 +00:00
2016-08-11 18:34:29 +00:00
2016-08-02 13:26:07 +00:00
2016-07-21 16:46:44 +00:00

Low Level Virtual Machine (LLVM)
================================

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