1; RUN: opt < %s -instcombine -S | not grep div 2 3define i32 @a(i16 zeroext %x, i32 %y) nounwind { 4entry: 5 %conv = zext i16 %x to i32 6 %s = shl i32 2, %y 7 %d = sdiv i32 %conv, %s 8 ret i32 %d 9} 10