mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-23 16:30:00 +00:00
d863b766f5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95608 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
434 B
LLVM
17 lines
434 B
LLVM
; RUN: llc < %s -march=arm | FileCheck %s
|
|
|
|
;; Integer absolute value, should produce something as good as: ARM:
|
|
;; add r3, r0, r0, asr #31
|
|
;; eor r0, r3, r0, asr #31
|
|
;; bx lr
|
|
|
|
define i32 @test(i32 %a) {
|
|
%tmp1neg = sub i32 0, %a
|
|
%b = icmp sgt i32 %a, -1
|
|
%abs = select i1 %b, i32 %a, i32 %tmp1neg
|
|
ret i32 %abs
|
|
; CHECK: add r1, r0, r0, asr #31
|
|
; CHECK: eor r0, r1, r0, asr #31
|
|
; CHECK: bx lr
|
|
}
|