mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-08 18:30:04 +00:00
2abadea537
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205586 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
908 B
LLVM
43 lines
908 B
LLVM
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
|
|
|
|
define i32 @f1(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: subs r0, r0, r1
|
|
%tmp = sub i32 %a, %b
|
|
ret i32 %tmp
|
|
}
|
|
|
|
define i32 @f2(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: sub.w r0, r0, r1, lsl #5
|
|
%tmp = shl i32 %b, 5
|
|
%tmp1 = sub i32 %a, %tmp
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
define i32 @f3(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: sub.w r0, r0, r1, lsr #6
|
|
%tmp = lshr i32 %b, 6
|
|
%tmp1 = sub i32 %a, %tmp
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
define i32 @f4(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: sub.w r0, r0, r1, asr #7
|
|
%tmp = ashr i32 %b, 7
|
|
%tmp1 = sub i32 %a, %tmp
|
|
ret i32 %tmp1
|
|
}
|
|
|
|
define i32 @f5(i32 %a, i32 %b) {
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: sub.w r0, r0, r0, ror #8
|
|
%l8 = shl i32 %a, 24
|
|
%r8 = lshr i32 %a, 8
|
|
%tmp = or i32 %l8, %r8
|
|
%tmp1 = sub i32 %a, %tmp
|
|
ret i32 %tmp1
|
|
}
|