xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/thumb2-rev16.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; XFAIL: *
2*9880d681SAndroid Build Coastguard Worker; fixme rev16 pattern is not matching
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 | grep "rev16\W*r[0-9]*,\W*r[0-9]*" | count 1
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; 0xff00ff00 = 4278255360
7*9880d681SAndroid Build Coastguard Worker; 0x00ff00ff = 16711935
8*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a) {
9*9880d681SAndroid Build Coastguard Worker    %l8 = shl i32 %a, 8
10*9880d681SAndroid Build Coastguard Worker    %r8 = lshr i32 %a, 8
11*9880d681SAndroid Build Coastguard Worker    %mask_l8 = and i32 %l8, 4278255360
12*9880d681SAndroid Build Coastguard Worker    %mask_r8 = and i32 %r8, 16711935
13*9880d681SAndroid Build Coastguard Worker    %tmp = or i32 %mask_l8, %mask_r8
14*9880d681SAndroid Build Coastguard Worker    ret i32 %tmp
15*9880d681SAndroid Build Coastguard Worker}
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Worker; 0xff000000 = 4278190080
18*9880d681SAndroid Build Coastguard Worker; 0x00ff0000 = 16711680
19*9880d681SAndroid Build Coastguard Worker; 0x0000ff00 = 65280
20*9880d681SAndroid Build Coastguard Worker; 0x000000ff = 255
21*9880d681SAndroid Build Coastguard Workerdefine i32 @f2(i32 %a) {
22*9880d681SAndroid Build Coastguard Worker    %l8 = shl i32 %a, 8
23*9880d681SAndroid Build Coastguard Worker    %r8 = lshr i32 %a, 8
24*9880d681SAndroid Build Coastguard Worker    %masklo_l8 = and i32 %l8, 65280
25*9880d681SAndroid Build Coastguard Worker    %maskhi_l8 = and i32 %l8, 4278190080
26*9880d681SAndroid Build Coastguard Worker    %masklo_r8 = and i32 %r8, 255
27*9880d681SAndroid Build Coastguard Worker    %maskhi_r8 = and i32 %r8, 16711680
28*9880d681SAndroid Build Coastguard Worker    %tmp1 = or i32 %masklo_l8, %masklo_r8
29*9880d681SAndroid Build Coastguard Worker    %tmp2 = or i32 %maskhi_l8, %maskhi_r8
30*9880d681SAndroid Build Coastguard Worker    %tmp = or i32 %tmp1, %tmp2
31*9880d681SAndroid Build Coastguard Worker    ret i32 %tmp
32*9880d681SAndroid Build Coastguard Worker}
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