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2 Commits

Author SHA1 Message Date
Elena Demikhovsky
b3f8b2cb2e Optimized loading (zextload) of i1 value from memory. 
This patch is a partial revert of https://llvm.org/svn/llvm-project/llvm/trunk@237793.
Extra "and" causes performance degradation.

We assume that i1 is stored in zero-extended form. And store operation is responsible for zeroing upper bits.

Differential Revision: http://reviews.llvm.org/D17541

llvm-svn: 261828
 2016-02-25 07:05:12 +00:00
Rafael Espindola
35a7e47fa4 Use small encodings for constants when possible. 
llvm-svn: 242493
 2015-07-17 00:57:52 +00:00