https://bugs.llvm.org/show_bug.cgi?id=46197
Bug ID: 46197
Summary: Failure to optimize out atoi when used as operand of
_tzcnt_u64
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: X86
Assignee: unassignedb...@nondot.org
Reporter: gabrav...@gmail.com
CC: craig.top...@gmail.com, llvm-bugs@lists.llvm.org,
llvm-...@redking.me.uk, spatel+l...@rotateright.com
#include <x86intrin.h>
void f(char *s)
{
_tzcnt_u64(atol(s));
}
This can be optimized to doing nothing.
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