1; RUN: llc < %s -march=x86 > %t 2; RUN: grep movsbl %t 3; RUN: not grep movz %t 4; RUN: not grep and %t 5 6define signext i8 @foo(i16 signext %x) nounwind { 7 %retval56 = trunc i16 %x to i8 8 ret i8 %retval56 9} 10