mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-15 20:06:46 +00:00
487119a08c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117156 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
880 B
LLVM
31 lines
880 B
LLVM
; RUN: llc < %s -march=arm -mattr=+v6 | FileCheck %s
|
|
|
|
define i32 @test1(i32 %X) {
|
|
; CHECK: test1
|
|
; CHECK: rev16 r0, r0
|
|
%tmp1 = lshr i32 %X, 8
|
|
%X15 = bitcast i32 %X to i32
|
|
%tmp4 = shl i32 %X15, 8
|
|
%tmp2 = and i32 %tmp1, 16711680
|
|
%tmp5 = and i32 %tmp4, -16777216
|
|
%tmp9 = and i32 %tmp1, 255
|
|
%tmp13 = and i32 %tmp4, 65280
|
|
%tmp6 = or i32 %tmp5, %tmp2
|
|
%tmp10 = or i32 %tmp6, %tmp13
|
|
%tmp14 = or i32 %tmp10, %tmp9
|
|
ret i32 %tmp14
|
|
}
|
|
|
|
define i32 @test2(i32 %X) {
|
|
; CHECK: test2
|
|
; CHECK: revsh r0, r0
|
|
%tmp1 = lshr i32 %X, 8
|
|
%tmp1.upgrd.1 = trunc i32 %tmp1 to i16
|
|
%tmp3 = trunc i32 %X to i16
|
|
%tmp2 = and i16 %tmp1.upgrd.1, 255
|
|
%tmp4 = shl i16 %tmp3, 8
|
|
%tmp5 = or i16 %tmp2, %tmp4
|
|
%tmp5.upgrd.2 = sext i16 %tmp5 to i32
|
|
ret i32 %tmp5.upgrd.2
|
|
}
|