https://bugs.llvm.org/show_bug.cgi?id=52271
Bug ID: 52271
Summary: Efficiently searching an array - ICC outperforms LLVM
Product: libraries
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: david.bolvan...@gmail.com
CC: llvm-bugs@lists.llvm.org
Blog:
https://julienjorge.medium.com/efficiently-searching-an-array-with-gcc-clang-and-icc-4234ef3cdba3
ICC is smarter here and uses SIMD instructions.
Maybe LoopIdiom should recognize "memchr" like pattern here?
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