| ; RUN: llvm-as < %s | llc -march=x86 > %t | |
| ; RUN: not grep add %t | |
| ; RUN: grep subl %t | count 1 | |
| ; The immediate can be encoded in a smaller way if the | |
| ; instruction is a sub instead of an add. | |
| define i32 @foo(i32 inreg %a) nounwind { | |
| %b = add i32 %a, 128 | |
| ret i32 %b | |
| } |