| ; RUN: llvm-as < %s | llc -march=x86-64 > %t | |
| ; RUN: not grep add %t | |
| ; RUN: grep subq %t | count 2 | |
| ; The immediate can be encoded in a smaller way if the | |
| ; instruction is a sub instead of an add. | |
| define i64 @foo(i64 inreg %a) nounwind { | |
| %b = add i64 %a, 2147483648 | |
| ret i64 %b | |
| } | |
| define i64 @bar(i64 inreg %a) nounwind { | |
| %b = add i64 %a, 128 | |
| ret i64 %b | |
| } |