[llvm-bugs] [Bug 8942] Not aggressively optimizing std::fill loop (SCEVUDivExpr needs 'exact' bit)

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Dec 23 00:33:44 PST 2015


Sanjoy Das <sanjoy at playingwithpointers.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Sanjoy Das <sanjoy at playingwithpointers.com> ---
Looks like clang is able to optimize

void f1(int* begin, int* end) {
  std::fill(begin, end, 0);

to a call to memset now.

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