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Author SHA1 Message Date
Davide Italiano 67e979e086 [SimplifyLibCalls] Add a test to make sure we lower fls(0) correctly. 
llvm-svn: 289895
 2016-12-15 23:48:07 +00:00
Davide Italiano 85ad36b0e0 [SimplifyLibCalls] Lower fls() to llvm.ctlz(). 
Differential Revision:  https://reviews.llvm.org/D14590

llvm-svn: 289894
 2016-12-15 23:45:11 +00:00