1 ; XFAIL: * 2 ; fixme rev16 pattern is not matching 3 4 ; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 | grep "rev16\W*r[0-9]*,\W*r[0-9]*" | count 1 5 6 ; 0xff00ff00 = 4278255360 7 ; 0x00ff00ff = 16711935 8 define i32 @f1(i32 %a) { 9 %l8 = shl i32 %a, 8 10 %r8 = lshr i32 %a, 8 11 %mask_l8 = and i32 %l8, 4278255360 12 %mask_r8 = and i32 %r8, 16711935 13 %tmp = or i32 %mask_l8, %mask_r8 14 ret i32 %tmp 15 } 16 17 ; 0xff000000 = 4278190080 18 ; 0x00ff0000 = 16711680 19 ; 0x0000ff00 = 65280 20 ; 0x000000ff = 255 21 define i32 @f2(i32 %a) { 22 %l8 = shl i32 %a, 8 23 %r8 = lshr i32 %a, 8 24 %masklo_l8 = and i32 %l8, 65280 25 %maskhi_l8 = and i32 %l8, 4278190080 26 %masklo_r8 = and i32 %r8, 255 27 %maskhi_r8 = and i32 %r8, 16711680 28 %tmp1 = or i32 %masklo_l8, %masklo_r8 29 %tmp2 = or i32 %maskhi_l8, %maskhi_r8 30 %tmp = or i32 %tmp1, %tmp2 31 ret i32 %tmp 32 } 33
