Sanjay Patel | c526fbc | 2017-05-01 14:20:30 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | FileCheck %s |
| 2 | |
| 3 | ; FIXME: Some of these tests belong in InstSimplify. |
| 4 | |
| 5 | ; Integer BitWidth <= 64 && BitWidth % 8 != 0. |
| 6 | |
| 7 | define i39 @test0(i39 %A) { |
| 8 | ; CHECK-LABEL: @test0( |
| 9 | ; CHECK-NEXT: ret i39 0 |
| 10 | ; |
| 11 | %B = and i39 %A, 0 ; zero result |
| 12 | ret i39 %B |
| 13 | } |
| 14 | |
| 15 | define i15 @test2(i15 %x) { |
| 16 | ; CHECK-LABEL: @test2( |
| 17 | ; CHECK-NEXT: ret i15 %x |
| 18 | ; |
| 19 | %tmp.2 = and i15 %x, -1 ; noop |
| 20 | ret i15 %tmp.2 |
| 21 | } |
| 22 | |
| 23 | define i23 @test3(i23 %x) { |
| 24 | ; CHECK-LABEL: @test3( |
| 25 | ; CHECK-NEXT: ret i23 0 |
| 26 | ; |
| 27 | %tmp.0 = and i23 %x, 127 |
| 28 | %tmp.2 = and i23 %tmp.0, 128 |
| 29 | ret i23 %tmp.2 |
| 30 | } |
| 31 | |
| 32 | define i1 @test4(i37 %x) { |
| 33 | ; CHECK-LABEL: @test4( |
| 34 | ; CHECK-NEXT: [[B:%.*]] = icmp ugt i37 %x, 2147483647 |
| 35 | ; CHECK-NEXT: ret i1 [[B]] |
| 36 | ; |
| 37 | %A = and i37 %x, -2147483648 |
| 38 | %B = icmp ne i37 %A, 0 |
| 39 | ret i1 %B |
| 40 | } |
| 41 | |
| 42 | define i7 @test5(i7 %A, i7* %P) { |
| 43 | ; CHECK-LABEL: @test5( |
| 44 | ; CHECK-NEXT: [[B:%.*]] = or i7 %A, 3 |
| 45 | ; CHECK-NEXT: [[C:%.*]] = xor i7 [[B]], 12 |
| 46 | ; CHECK-NEXT: store i7 [[C]], i7* %P, align 1 |
| 47 | ; CHECK-NEXT: ret i7 3 |
| 48 | ; |
| 49 | %B = or i7 %A, 3 |
| 50 | %C = xor i7 %B, 12 |
| 51 | store i7 %C, i7* %P |
| 52 | %r = and i7 %C, 3 |
| 53 | ret i7 %r |
| 54 | } |
| 55 | |
| 56 | define i47 @test7(i47 %A) { |
| 57 | ; CHECK-LABEL: @test7( |
| 58 | ; CHECK-NEXT: [[TMP1:%.*]] = lshr i47 %A, 39 |
| 59 | ; CHECK-NEXT: ret i47 [[TMP1]] |
| 60 | ; |
| 61 | %X = ashr i47 %A, 39 ;; sign extend |
| 62 | %C1 = and i47 %X, 255 |
| 63 | ret i47 %C1 |
| 64 | } |
| 65 | |
| 66 | ; Integer BitWidth > 64 && BitWidth <= 1024. |
| 67 | |
| 68 | define i999 @test8(i999 %A) { |
| 69 | ; CHECK-LABEL: @test8( |
| 70 | ; CHECK-NEXT: ret i999 0 |
| 71 | ; |
| 72 | %B = and i999 %A, 0 ; zero result |
| 73 | ret i999 %B |
| 74 | } |
| 75 | |
| 76 | define i1005 @test9(i1005 %x) { |
| 77 | ; CHECK-LABEL: @test9( |
| 78 | ; CHECK-NEXT: ret i1005 %x |
| 79 | ; |
| 80 | %tmp.2 = and i1005 %x, -1 ; noop |
| 81 | ret i1005 %tmp.2 |
| 82 | } |
| 83 | |
| 84 | define i123 @test10(i123 %x) { |
| 85 | ; CHECK-LABEL: @test10( |
| 86 | ; CHECK-NEXT: ret i123 0 |
| 87 | ; |
| 88 | %tmp.0 = and i123 %x, 127 |
| 89 | %tmp.2 = and i123 %tmp.0, 128 |
| 90 | ret i123 %tmp.2 |
| 91 | } |
| 92 | |
| 93 | define i1 @test11(i737 %x) { |
| 94 | ; CHECK-LABEL: @test11( |
| 95 | ; CHECK-NEXT: [[B:%.*]] = icmp ugt i737 %x, 2147483647 |
| 96 | ; CHECK-NEXT: ret i1 [[B]] |
| 97 | ; |
| 98 | %A = and i737 %x, -2147483648 |
| 99 | %B = icmp ne i737 %A, 0 |
| 100 | ret i1 %B |
| 101 | } |
| 102 | |
| 103 | define i117 @test12(i117 %A, i117* %P) { |
| 104 | ; CHECK-LABEL: @test12( |
| 105 | ; CHECK-NEXT: [[B:%.*]] = or i117 %A, 3 |
| 106 | ; CHECK-NEXT: [[C:%.*]] = xor i117 [[B]], 12 |
| 107 | ; CHECK-NEXT: store i117 [[C]], i117* %P, align 4 |
| 108 | ; CHECK-NEXT: ret i117 3 |
| 109 | ; |
| 110 | %B = or i117 %A, 3 |
| 111 | %C = xor i117 %B, 12 |
| 112 | store i117 %C, i117* %P |
| 113 | %r = and i117 %C, 3 |
| 114 | ret i117 %r |
| 115 | } |
| 116 | |
| 117 | define i1024 @test13(i1024 %A) { |
| 118 | ; CHECK-LABEL: @test13( |
| 119 | ; CHECK-NEXT: [[TMP1:%.*]] = lshr i1024 %A, 1016 |
| 120 | ; CHECK-NEXT: ret i1024 [[TMP1]] |
| 121 | ; |
| 122 | %X = ashr i1024 %A, 1016 ;; sign extend |
| 123 | %C1 = and i1024 %X, 255 |
| 124 | ret i1024 %C1 |
| 125 | } |
| 126 | |