llvm/test/CodeGen/X86/add-trick32.ll
2009-09-08 23:54:48 +00:00

12 lines
263 B
LLVM

; RUN: llc < %s -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
}