https://bugs.llvm.org/show_bug.cgi?id=38791
Bug ID: 38791
Summary: Combine and-mask+icmp eq -> icmp ule when mask was
all-ones in high bits
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: lebedev...@gmail.com
CC: llvm-bugs@lists.llvm.org
Copied from https://bugs.llvm.org/show_bug.cgi?id=38123
Name: range using high bits
%masked = or i8 %arg, 192
%r = icmp ne i8 %masked, %arg
=>
%r = icmp ult i8 %arg, 192
https://rise4fun.com/Alive/lv5
--
You are receiving this mail because:
You are on the CC list for the bug._______________________________________________
llvm-bugs mailing list
llvm-bugs@lists.llvm.org
http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
