1 ; All of these ands and shifts should be folded into rlwimi's
2 ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -o %t
4 ; RUN: not grep srawi %t
5 ; RUN: not grep srwi %t
6 ; RUN: not grep slwi %t
7 ; RUN: grep rlwinm %t | count 8
9 define i32 @test1(i32 %a) {
11 %tmp.1 = and i32 %a, 268431360 ; <i32> [#uses=1]
15 define i32 @test2(i32 %a) {
17 %tmp.1 = and i32 %a, -268435441 ; <i32> [#uses=1]
21 define i32 @test3(i32 %a) {
23 %tmp.2 = ashr i32 %a, 8 ; <i32> [#uses=1]
24 %tmp.3 = and i32 %tmp.2, 255 ; <i32> [#uses=1]
28 define i32 @test4(i32 %a) {
30 %tmp.3 = lshr i32 %a, 8 ; <i32> [#uses=1]
31 %tmp.4 = and i32 %tmp.3, 255 ; <i32> [#uses=1]
35 define i32 @test5(i32 %a) {
37 %tmp.2 = shl i32 %a, 8 ; <i32> [#uses=1]
38 %tmp.3 = and i32 %tmp.2, -8388608 ; <i32> [#uses=1]
42 define i32 @test6(i32 %a) {
44 %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1]
45 %tmp.2 = ashr i32 %tmp.1, 8 ; <i32> [#uses=1]
49 define i32 @test7(i32 %a) {
51 %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1]
52 %tmp.2 = lshr i32 %tmp.1, 8 ; <i32> [#uses=1]
56 define i32 @test8(i32 %a) {
58 %tmp.1 = and i32 %a, 16711680 ; <i32> [#uses=1]
59 %tmp.2 = shl i32 %tmp.1, 8 ; <i32> [#uses=1]