Dmitry Venikov
aaa709f2ec
[InstSimplify] Missed optimization in math expression: log10(pow(10.0,x)) == x, log2(pow(2.0,x)) == x
Summary: This patch enables folding following instructions under -ffast-math flag: log10(pow(10.0,x)) -> x, log2(pow(2.0,x)) -> x
Reviewers: hfinkel, spatel, efriedma, craig.topper, zvi, majnemer, lebedev.ri
Reviewed By: spatel, lebedev.ri
Subscribers: lebedev.ri, llvm-commits
Differential Revision: https://reviews.llvm.org/D41940
llvm-svn: 352981
2019-02-03 03:48:30 +00:00
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