; RUN: llc -mtriple=x86_64-linux -fast-isel -show-mc-encoding < %s | FileCheck %s
; CHECK-LABEL: f:
; CHECK: addl $-2, %eax # encoding: [0x83,0xc0,0xfe]
define i32 @f(ptr %y) {
%x = load i32, ptr %y
%dec = add i32 %x, -2
ret i32 %dec
}