mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-05 13:09:10 +00:00
fce288fc91
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
62 lines
1.3 KiB
LLVM
62 lines
1.3 KiB
LLVM
; All of these ands and shifts should be folded into rlwimi's
|
|
; RUN: llc < %s -march=ppc32 -o %t
|
|
; RUN: not grep and %t
|
|
; RUN: not grep srawi %t
|
|
; RUN: not grep srwi %t
|
|
; RUN: not grep slwi %t
|
|
; RUN: grep rlwinm %t | count 8
|
|
|
|
define i32 @test1(i32 %a) {
|
|
entry:
|
|
%tmp.1 = and i32 %a, 268431360 ; <i32> [#uses=1]
|
|
ret i32 %tmp.1
|
|
}
|
|
|
|
define i32 @test2(i32 %a) {
|
|
entry:
|
|
%tmp.1 = and i32 %a, -268435441 ; <i32> [#uses=1]
|
|
ret i32 %tmp.1
|
|
}
|
|
|
|
define i32 @test3(i32 %a) {
|
|
entry:
|
|
%tmp.2 = ashr i32 %a, 8 ; <i32> [#uses=1]
|
|
%tmp.3 = and i32 %tmp.2, 255 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
define i32 @test4(i32 %a) {
|
|
entry:
|
|
%tmp.3 = lshr i32 %a, 8 ; <i32> [#uses=1]
|
|
%tmp.4 = and i32 %tmp.3, 255 ; <i32> [#uses=1]
|
|
ret i32 %tmp.4
|
|
}
|
|
|
|
define i32 @test5(i32 %a) {
|
|
entry:
|
|
%tmp.2 = shl i32 %a, 8 ; <i32> [#uses=1]
|
|
%tmp.3 = and i32 %tmp.2, -8388608 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
define i32 @test6(i32 %a) {
|
|
entry:
|
|
%tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1]
|
|
%tmp.2 = ashr i32 %tmp.1, 8 ; <i32> [#uses=1]
|
|
ret i32 %tmp.2
|
|
}
|
|
|
|
define i32 @test7(i32 %a) {
|
|
entry:
|
|
%tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1]
|
|
%tmp.2 = lshr i32 %tmp.1, 8 ; <i32> [#uses=1]
|
|
ret i32 %tmp.2
|
|
}
|
|
|
|
define i32 @test8(i32 %a) {
|
|
entry:
|
|
%tmp.1 = and i32 %a, 16711680 ; <i32> [#uses=1]
|
|
%tmp.2 = shl i32 %tmp.1, 8 ; <i32> [#uses=1]
|
|
ret i32 %tmp.2
|
|
}
|