1; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-a8 %s -o - | FileCheck %s -check-prefix=ARMv7A 2; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m3 %s -o - | FileCheck %s -check-prefix=ARMv7M 3 4define i32 @test1(i32 %x) { 5; ARMv7A: test1 6; ARMv7A: uxtb16 r0, r0 7 8; ARMv7M: test1 9; ARMv7M: bic r0, r0, #-16711936 10 %tmp1 = and i32 %x, 16711935 ; <i32> [#uses=1] 11 ret i32 %tmp1 12} 13 14; PR7503 15define i32 @test2(i32 %x) { 16; ARMv7A: test2 17; ARMv7A: uxtb16 r0, r0, ror #8 18 19; ARMv7M: test2 20; ARMv7M: mov.w r1, #16711935 21; ARMv7M: and.w r0, r1, r0, lsr #8 22 %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1] 23 %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1] 24 ret i32 %tmp2 25} 26 27define i32 @test3(i32 %x) { 28; ARMv7A: test3 29; ARMv7A: uxtb16 r0, r0, ror #8 30 31; ARMv7M: test3 32; ARMv7M: mov.w r1, #16711935 33; ARMv7M: and.w r0, r1, r0, lsr #8 34 %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1] 35 %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1] 36 ret i32 %tmp2 37} 38 39define i32 @test4(i32 %x) { 40; ARMv7A: test4 41; ARMv7A: uxtb16 r0, r0, ror #8 42 43; ARMv7M: test4 44; ARMv7M: mov.w r1, #16711935 45; ARMv7M: and.w r0, r1, r0, lsr #8 46 %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1] 47 %tmp6 = and i32 %tmp1, 16711935 ; <i32> [#uses=1] 48 ret i32 %tmp6 49} 50 51define i32 @test5(i32 %x) { 52; ARMv7A: test5 53; ARMv7A: uxtb16 r0, r0, ror #8 54 55; ARMv7M: test5 56; ARMv7M: mov.w r1, #16711935 57; ARMv7M: and.w r0, r1, r0, lsr #8 58 %tmp1 = lshr i32 %x, 8 ; <i32> [#uses=1] 59 %tmp2 = and i32 %tmp1, 16711935 ; <i32> [#uses=1] 60 ret i32 %tmp2 61} 62 63define i32 @test6(i32 %x) { 64; ARMv7A: test6 65; ARMv7A: uxtb16 r0, r0, ror #16 66 67; ARMv7M: test6 68; ARMv7M: mov.w r1, #16711935 69; ARMv7M: and.w r0, r1, r0, ror #16 70 %tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1] 71 %tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1] 72 %tmp4 = shl i32 %x, 16 ; <i32> [#uses=1] 73 %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1] 74 %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1] 75 ret i32 %tmp6 76} 77 78define i32 @test7(i32 %x) { 79; ARMv7A: test7 80; ARMv7A: uxtb16 r0, r0, ror #16 81 82; ARMv7M: test7 83; ARMv7M: mov.w r1, #16711935 84; ARMv7M: and.w r0, r1, r0, ror #16 85 %tmp1 = lshr i32 %x, 16 ; <i32> [#uses=1] 86 %tmp2 = and i32 %tmp1, 255 ; <i32> [#uses=1] 87 %tmp4 = shl i32 %x, 16 ; <i32> [#uses=1] 88 %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1] 89 %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1] 90 ret i32 %tmp6 91} 92 93define i32 @test8(i32 %x) { 94; ARMv7A: test8 95; ARMv7A: uxtb16 r0, r0, ror #24 96 97; ARMv7M: test8 98; ARMv7M: mov.w r1, #16711935 99; ARMv7M: and.w r0, r1, r0, ror #24 100 %tmp1 = shl i32 %x, 8 ; <i32> [#uses=1] 101 %tmp2 = and i32 %tmp1, 16711680 ; <i32> [#uses=1] 102 %tmp5 = lshr i32 %x, 24 ; <i32> [#uses=1] 103 %tmp6 = or i32 %tmp2, %tmp5 ; <i32> [#uses=1] 104 ret i32 %tmp6 105} 106 107define i32 @test9(i32 %x) { 108; ARMv7A: test9 109; ARMv7A: uxtb16 r0, r0, ror #24 110 111; ARMv7M: test9 112; ARMv7M: mov.w r1, #16711935 113; ARMv7M: and.w r0, r1, r0, ror #24 114 %tmp1 = lshr i32 %x, 24 ; <i32> [#uses=1] 115 %tmp4 = shl i32 %x, 8 ; <i32> [#uses=1] 116 %tmp5 = and i32 %tmp4, 16711680 ; <i32> [#uses=1] 117 %tmp6 = or i32 %tmp5, %tmp1 ; <i32> [#uses=1] 118 ret i32 %tmp6 119} 120 121define i32 @test10(i32 %p0) { 122; ARMv7A: test10 123; ARMv7A: mov.w r1, #16253176 124; ARMv7A: and.w r0, r1, r0, lsr #7 125; ARMv7A: lsrs r1, r0, #5 126; ARMv7A: uxtb16 r1, r1 127; ARMv7A: orrs r0, r1 128 129; ARMv7M: test10 130; ARMv7M: mov.w r1, #16253176 131; ARMv7M: and.w r0, r1, r0, lsr #7 132; ARMv7M: mov.w r1, #458759 133; ARMv7M: and.w r1, r1, r0, lsr #5 134; ARMv7M: orrs r0, r1 135 %tmp1 = lshr i32 %p0, 7 ; <i32> [#uses=1] 136 %tmp2 = and i32 %tmp1, 16253176 ; <i32> [#uses=2] 137 %tmp4 = lshr i32 %tmp2, 5 ; <i32> [#uses=1] 138 %tmp5 = and i32 %tmp4, 458759 ; <i32> [#uses=1] 139 %tmp7 = or i32 %tmp5, %tmp2 ; <i32> [#uses=1] 140 ret i32 %tmp7 141} 142