|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc -mtriple=thumbv6-eabi %s -o - | FileCheck %s | 
|  |  | 
|  | define i32 @test1(i32 %x) { | 
|  | ; CHECK-LABEL: test1: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsls r0, r0, #20 | 
|  | ; CHECK-NEXT:    lsrs r0, r0, #22 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = lshr i32 %x, 2 | 
|  | %shr = and i32 %0, 1023 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test2(i32 %x) { | 
|  | ; CHECK-LABEL: test2: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsrs r1, r0, #2 | 
|  | ; CHECK-NEXT:    ldr r0, .LCPI1_0 | 
|  | ; CHECK-NEXT:    ands r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | ; CHECK-NEXT:    .p2align 2 | 
|  | ; CHECK-NEXT:  @ %bb.1: | 
|  | ; CHECK-NEXT:  .LCPI1_0: | 
|  | ; CHECK-NEXT:    .long 1022 @ 0x3fe | 
|  | entry: | 
|  | %0 = lshr i32 %x, 2 | 
|  | %shr = and i32 %0, 1022 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test3(i32 %x) { | 
|  | ; CHECK-LABEL: test3: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsrs r0, r0, #2 | 
|  | ; CHECK-NEXT:    uxtb r0, r0 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = lshr i32 %x, 2 | 
|  | %shr = and i32 %0, 255 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test4(i32 %x) { | 
|  | ; CHECK-LABEL: test4: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsls r0, r0, #4 | 
|  | ; CHECK-NEXT:    movs r1, #127 | 
|  | ; CHECK-NEXT:    bics r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = shl i32 %x, 4 | 
|  | %shr = and i32 %0, -128 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test5(i32 %x) { | 
|  | ; CHECK-LABEL: test5: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsls r0, r0, #31 | 
|  | ; CHECK-NEXT:    lsrs r0, r0, #2 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = shl i32 %x, 29 | 
|  | %shr = and i32 %0, 536870912 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test6(i32 %x) { | 
|  | ; CHECK-LABEL: test6: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    movs r1, #5 | 
|  | ; CHECK-NEXT:    lsls r1, r1, #29 | 
|  | ; CHECK-NEXT:    lsls r0, r0, #29 | 
|  | ; CHECK-NEXT:    ands r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = shl i32 %x, 29 | 
|  | %shr = and i32 %0, 2684354560 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test7(i32 %x) { | 
|  | ; CHECK-LABEL: test7: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsrs r1, r0, #29 | 
|  | ; CHECK-NEXT:    movs r0, #4 | 
|  | ; CHECK-NEXT:    ands r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = lshr i32 %x, 29 | 
|  | %shr = and i32 %0, 4 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test8(i32 %x) { | 
|  | ; CHECK-LABEL: test8: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsrs r1, r0, #29 | 
|  | ; CHECK-NEXT:    movs r0, #5 | 
|  | ; CHECK-NEXT:    ands r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | entry: | 
|  | %0 = lshr i32 %x, 29 | 
|  | %shr = and i32 %0, 5 | 
|  | ret i32 %shr | 
|  | } | 
|  |  | 
|  | define i32 @test9(i32 %x) { | 
|  | ; CHECK-LABEL: test9: | 
|  | ; CHECK:       @ %bb.0: @ %entry | 
|  | ; CHECK-NEXT:    lsrs r1, r0, #2 | 
|  | ; CHECK-NEXT:    ldr r0, .LCPI8_0 | 
|  | ; CHECK-NEXT:    ands r0, r1 | 
|  | ; CHECK-NEXT:    bx lr | 
|  | ; CHECK-NEXT:    .p2align 2 | 
|  | ; CHECK-NEXT:  @ %bb.1: | 
|  | ; CHECK-NEXT:  .LCPI8_0: | 
|  | ; CHECK-NEXT:    .long 1073741822 @ 0x3ffffffe | 
|  | entry: | 
|  | %and = lshr i32 %x, 2 | 
|  | %shr = and i32 %and, 1073741822 | 
|  | ret i32 %shr | 
|  | } |