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
27 lines
602 B
LLVM
27 lines
602 B
LLVM
; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
|
|
; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1
|
|
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: ror.w r0, r0, #22
|
|
define i32 @f1(i32 %a) {
|
|
%l8 = shl i32 %a, 10
|
|
%r8 = lshr i32 %a, 22
|
|
%tmp = or i32 %l8, %r8
|
|
ret i32 %tmp
|
|
}
|
|
|
|
; CHECK-LABEL: f2:
|
|
; CHECK-NOT: and
|
|
; CHECK: ror
|
|
; THUMB1: f2
|
|
; THUMB1: and
|
|
define i32 @f2(i32 %v, i32 %nbits) {
|
|
entry:
|
|
%and = and i32 %nbits, 31
|
|
%shr = lshr i32 %v, %and
|
|
%sub = sub i32 32, %and
|
|
%shl = shl i32 %v, %sub
|
|
%or = or i32 %shl, %shr
|
|
ret i32 %or
|
|
}
|