[PATCH] D63038: [SimplifyLibCalls] powf(x, sitofp(n)) -> powi(x, n)

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a comment.

clang -O3 pw.c -lm 
xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,195s
user	0m0,195s
sys	0m0,000s
xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,195s
user	0m0,195s
sys	0m0,000s
xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,195s
user	0m0,195s
sys	0m0,000s

xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,053s
user	0m0,049s
sys	0m0,004s
xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,050s
user	0m0,050s
sys	0m0,000s
xbolva00 at xbolva00-G551JW:~$ time ./a.out &> log

real	0m0,051s
user	0m0,051s
sys	0m0,000s

"Benchmark": https://pastebin.com/Z0yZD4qU


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  https://reviews.llvm.org/D63038/new/

https://reviews.llvm.org/D63038