mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-16 11:05:54 +00:00
36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
352 B
LLVM
16 lines
352 B
LLVM
; RUN: llc < %s -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
|
|
}
|