Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 1 | ; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK |
| 2 | ; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs < %s | FileCheck %s --check-prefix=CHECK-REG |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 3 | |
| 4 | |
| 5 | ; Point of CHECK-REG is to make sure UNPREDICTABLE instructions aren't created |
| 6 | ; (i.e. reusing a register for status & data in store exclusive). |
| 7 | ; CHECK-REG-NOT: stlxrb w[[NEW:[0-9]+]], w[[NEW]], [x{{[0-9]+}}] |
| 8 | ; CHECK-REG-NOT: stlxrb w[[NEW:[0-9]+]], x[[NEW]], [x{{[0-9]+}}] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 9 | |
| 10 | @var8 = global i8 0 |
| 11 | @var16 = global i16 0 |
| 12 | @var32 = global i32 0 |
| 13 | @var64 = global i64 0 |
| 14 | |
| 15 | define i8 @test_atomic_load_add_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 16 | ; CHECK-LABEL: test_atomic_load_add_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 17 | %old = atomicrmw add i8* @var8, i8 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 18 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 19 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 20 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 21 | |
| 22 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 23 | ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 24 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 25 | ; function there. |
| 26 | ; CHECK-NEXT: add [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 27 | ; CHECK-NEXT: stlxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 28 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 29 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 30 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 31 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 32 | ret i8 %old |
| 33 | } |
| 34 | |
| 35 | define i16 @test_atomic_load_add_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 36 | ; CHECK-LABEL: test_atomic_load_add_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 37 | %old = atomicrmw add i16* @var16, i16 %offset acquire |
| 38 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 39 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 40 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 41 | |
| 42 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 43 | ; ; CHECK: ldaxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 44 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 45 | ; function there. |
| 46 | ; CHECK-NEXT: add [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 47 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 48 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 49 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 50 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 51 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 52 | ret i16 %old |
| 53 | } |
| 54 | |
| 55 | define i32 @test_atomic_load_add_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 56 | ; CHECK-LABEL: test_atomic_load_add_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 57 | %old = atomicrmw add i32* @var32, i32 %offset release |
| 58 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 59 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 60 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 61 | |
| 62 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 63 | ; ; CHECK: ldxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 64 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 65 | ; function there. |
| 66 | ; CHECK-NEXT: add [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 67 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 68 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 69 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 70 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 71 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 72 | ret i32 %old |
| 73 | } |
| 74 | |
| 75 | define i64 @test_atomic_load_add_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 76 | ; CHECK-LABEL: test_atomic_load_add_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 77 | %old = atomicrmw add i64* @var64, i64 %offset monotonic |
| 78 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 79 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 80 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 81 | |
| 82 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 83 | ; ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 84 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 85 | ; function there. |
| 86 | ; CHECK-NEXT: add [[NEW:x[0-9]+]], x[[OLD]], x0 |
| 87 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 88 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 89 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 90 | |
| 91 | ; CHECK: mov x0, x[[OLD]] |
| 92 | ret i64 %old |
| 93 | } |
| 94 | |
| 95 | define i8 @test_atomic_load_sub_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 96 | ; CHECK-LABEL: test_atomic_load_sub_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 97 | %old = atomicrmw sub i8* @var8, i8 %offset monotonic |
| 98 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 99 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 100 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 101 | |
| 102 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 103 | ; ; CHECK: ldxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 104 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 105 | ; function there. |
| 106 | ; CHECK-NEXT: sub [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 107 | ; CHECK-NEXT: stxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 108 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 109 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 110 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 111 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 112 | ret i8 %old |
| 113 | } |
| 114 | |
| 115 | define i16 @test_atomic_load_sub_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 116 | ; CHECK-LABEL: test_atomic_load_sub_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 117 | %old = atomicrmw sub i16* @var16, i16 %offset release |
| 118 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 119 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 120 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 121 | |
| 122 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 123 | ; ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 124 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 125 | ; function there. |
| 126 | ; CHECK-NEXT: sub [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 127 | ; CHECK-NEXT: stlxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 128 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 129 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 130 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 131 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 132 | ret i16 %old |
| 133 | } |
| 134 | |
| 135 | define i32 @test_atomic_load_sub_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 136 | ; CHECK-LABEL: test_atomic_load_sub_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 137 | %old = atomicrmw sub i32* @var32, i32 %offset acquire |
| 138 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 139 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 140 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 141 | |
| 142 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 143 | ; ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 144 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 145 | ; function there. |
| 146 | ; CHECK-NEXT: sub [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 147 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 148 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 149 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 150 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 151 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 152 | ret i32 %old |
| 153 | } |
| 154 | |
| 155 | define i64 @test_atomic_load_sub_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 156 | ; CHECK-LABEL: test_atomic_load_sub_i64: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 157 | %old = atomicrmw sub i64* @var64, i64 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 158 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 159 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 160 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 161 | |
| 162 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 163 | ; ; CHECK: ldaxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 164 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 165 | ; function there. |
| 166 | ; CHECK-NEXT: sub [[NEW:x[0-9]+]], x[[OLD]], x0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 167 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 168 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 169 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 170 | |
| 171 | ; CHECK: mov x0, x[[OLD]] |
| 172 | ret i64 %old |
| 173 | } |
| 174 | |
| 175 | define i8 @test_atomic_load_and_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 176 | ; CHECK-LABEL: test_atomic_load_and_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 177 | %old = atomicrmw and i8* @var8, i8 %offset release |
| 178 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 179 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 180 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 181 | |
| 182 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 183 | ; ; CHECK: ldxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 184 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 185 | ; function there. |
| 186 | ; CHECK-NEXT: and [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 187 | ; CHECK-NEXT: stlxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 188 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 189 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 190 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 191 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 192 | ret i8 %old |
| 193 | } |
| 194 | |
| 195 | define i16 @test_atomic_load_and_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 196 | ; CHECK-LABEL: test_atomic_load_and_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 197 | %old = atomicrmw and i16* @var16, i16 %offset monotonic |
| 198 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 199 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 200 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 201 | |
| 202 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 203 | ; ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 204 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 205 | ; function there. |
| 206 | ; CHECK-NEXT: and [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 207 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 208 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 209 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 210 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 211 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 212 | ret i16 %old |
| 213 | } |
| 214 | |
| 215 | define i32 @test_atomic_load_and_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 216 | ; CHECK-LABEL: test_atomic_load_and_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 217 | %old = atomicrmw and i32* @var32, i32 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 218 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 219 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 220 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 221 | |
| 222 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 223 | ; ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 224 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 225 | ; function there. |
| 226 | ; CHECK-NEXT: and [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 227 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 228 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 229 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 230 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 231 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 232 | ret i32 %old |
| 233 | } |
| 234 | |
| 235 | define i64 @test_atomic_load_and_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 236 | ; CHECK-LABEL: test_atomic_load_and_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 237 | %old = atomicrmw and i64* @var64, i64 %offset acquire |
| 238 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 239 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 240 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 241 | |
| 242 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 243 | ; ; CHECK: ldaxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 244 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 245 | ; function there. |
| 246 | ; CHECK-NEXT: and [[NEW:x[0-9]+]], x[[OLD]], x0 |
| 247 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 248 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 249 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 250 | |
| 251 | ; CHECK: mov x0, x[[OLD]] |
| 252 | ret i64 %old |
| 253 | } |
| 254 | |
| 255 | define i8 @test_atomic_load_or_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 256 | ; CHECK-LABEL: test_atomic_load_or_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 257 | %old = atomicrmw or i8* @var8, i8 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 258 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 259 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 260 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 261 | |
| 262 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 263 | ; ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 264 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 265 | ; function there. |
| 266 | ; CHECK-NEXT: orr [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 267 | ; CHECK-NEXT: stlxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 268 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 269 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 270 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 271 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 272 | ret i8 %old |
| 273 | } |
| 274 | |
| 275 | define i16 @test_atomic_load_or_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 276 | ; CHECK-LABEL: test_atomic_load_or_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 277 | %old = atomicrmw or i16* @var16, i16 %offset monotonic |
| 278 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 279 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 280 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 281 | |
| 282 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 283 | ; ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 284 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 285 | ; function there. |
| 286 | ; CHECK-NEXT: orr [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 287 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 288 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 289 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 290 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 291 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 292 | ret i16 %old |
| 293 | } |
| 294 | |
| 295 | define i32 @test_atomic_load_or_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 296 | ; CHECK-LABEL: test_atomic_load_or_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 297 | %old = atomicrmw or i32* @var32, i32 %offset acquire |
| 298 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 299 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 300 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 301 | |
| 302 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 303 | ; ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 304 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 305 | ; function there. |
| 306 | ; CHECK-NEXT: orr [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 307 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 308 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 309 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 310 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 311 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 312 | ret i32 %old |
| 313 | } |
| 314 | |
| 315 | define i64 @test_atomic_load_or_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 316 | ; CHECK-LABEL: test_atomic_load_or_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 317 | %old = atomicrmw or i64* @var64, i64 %offset release |
| 318 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 319 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 320 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 321 | |
| 322 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 323 | ; ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 324 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 325 | ; function there. |
| 326 | ; CHECK-NEXT: orr [[NEW:x[0-9]+]], x[[OLD]], x0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 327 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 328 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 329 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 330 | |
| 331 | ; CHECK: mov x0, x[[OLD]] |
| 332 | ret i64 %old |
| 333 | } |
| 334 | |
| 335 | define i8 @test_atomic_load_xor_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 336 | ; CHECK-LABEL: test_atomic_load_xor_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 337 | %old = atomicrmw xor i8* @var8, i8 %offset acquire |
| 338 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 339 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 340 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 341 | |
| 342 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 343 | ; ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 344 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 345 | ; function there. |
| 346 | ; CHECK-NEXT: eor [[NEW:w[0-9]+]], w[[OLD]], w0 |
| 347 | ; CHECK-NEXT: stxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 348 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 349 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 350 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 351 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 352 | ret i8 %old |
| 353 | } |
| 354 | |
| 355 | define i16 @test_atomic_load_xor_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 356 | ; CHECK-LABEL: test_atomic_load_xor_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 357 | %old = atomicrmw xor i16* @var16, i16 %offset release |
| 358 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 359 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 360 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 361 | |
| 362 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 363 | ; ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 364 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 365 | ; function there. |
| 366 | ; CHECK-NEXT: eor [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 367 | ; CHECK-NEXT: stlxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 368 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 369 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 370 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 371 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 372 | ret i16 %old |
| 373 | } |
| 374 | |
| 375 | define i32 @test_atomic_load_xor_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 376 | ; CHECK-LABEL: test_atomic_load_xor_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 377 | %old = atomicrmw xor i32* @var32, i32 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 378 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 379 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 380 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 381 | |
| 382 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 383 | ; ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 384 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 385 | ; function there. |
| 386 | ; CHECK-NEXT: eor [[NEW:w[0-9]+]], w[[OLD]], w0 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 387 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 388 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 389 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 390 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 391 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 392 | ret i32 %old |
| 393 | } |
| 394 | |
| 395 | define i64 @test_atomic_load_xor_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 396 | ; CHECK-LABEL: test_atomic_load_xor_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 397 | %old = atomicrmw xor i64* @var64, i64 %offset monotonic |
| 398 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 399 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 400 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 401 | |
| 402 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 403 | ; ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 404 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 405 | ; function there. |
| 406 | ; CHECK-NEXT: eor [[NEW:x[0-9]+]], x[[OLD]], x0 |
| 407 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 408 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 409 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 410 | |
| 411 | ; CHECK: mov x0, x[[OLD]] |
| 412 | ret i64 %old |
| 413 | } |
| 414 | |
| 415 | define i8 @test_atomic_load_xchg_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 416 | ; CHECK-LABEL: test_atomic_load_xchg_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 417 | %old = atomicrmw xchg i8* @var8, i8 %offset monotonic |
| 418 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 419 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 420 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 421 | |
| 422 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 423 | ; ; CHECK: ldxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 424 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 425 | ; function there. |
| 426 | ; CHECK-NEXT: stxrb [[STATUS:w[0-9]+]], w0, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 427 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 428 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 429 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 430 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 431 | ret i8 %old |
| 432 | } |
| 433 | |
| 434 | define i16 @test_atomic_load_xchg_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 435 | ; CHECK-LABEL: test_atomic_load_xchg_i16: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 436 | %old = atomicrmw xchg i16* @var16, i16 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 437 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 438 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 439 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 440 | |
| 441 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 442 | ; ; CHECK: ldaxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 443 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 444 | ; function there. |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 445 | ; CHECK-NEXT: stlxrh [[STATUS:w[0-9]+]], w0, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 446 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 447 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 448 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 449 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 450 | ret i16 %old |
| 451 | } |
| 452 | |
| 453 | define i32 @test_atomic_load_xchg_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 454 | ; CHECK-LABEL: test_atomic_load_xchg_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 455 | %old = atomicrmw xchg i32* @var32, i32 %offset release |
| 456 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 457 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 458 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 459 | |
| 460 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 461 | ; ; CHECK: ldxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 462 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 463 | ; function there. |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 464 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], w0, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 465 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 466 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 467 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 468 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 469 | ret i32 %old |
| 470 | } |
| 471 | |
| 472 | define i64 @test_atomic_load_xchg_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 473 | ; CHECK-LABEL: test_atomic_load_xchg_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 474 | %old = atomicrmw xchg i64* @var64, i64 %offset acquire |
| 475 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 476 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 477 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 478 | |
| 479 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 480 | ; ; CHECK: ldaxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 481 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 482 | ; function there. |
| 483 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], x0, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 484 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 485 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 486 | |
| 487 | ; CHECK: mov x0, x[[OLD]] |
| 488 | ret i64 %old |
| 489 | } |
| 490 | |
| 491 | |
| 492 | define i8 @test_atomic_load_min_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 493 | ; CHECK-LABEL: test_atomic_load_min_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 494 | %old = atomicrmw min i8* @var8, i8 %offset acquire |
| 495 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 496 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 497 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 498 | |
| 499 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 500 | ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 501 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 502 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 503 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 504 | ; CHECK-NEXT: sxtb w[[OLD_EXT:[0-9]+]], w[[OLD]] |
| 505 | ; CHECK-NEXT: cmp w[[OLD_EXT]], w0, sxtb |
| 506 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, le |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 507 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 508 | ; CHECK-NEXT: stxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 509 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 510 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 511 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 512 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 513 | ret i8 %old |
| 514 | } |
| 515 | |
| 516 | define i16 @test_atomic_load_min_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 517 | ; CHECK-LABEL: test_atomic_load_min_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 518 | %old = atomicrmw min i16* @var16, i16 %offset release |
| 519 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 520 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 521 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 522 | |
| 523 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 524 | ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 525 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 526 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 527 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 528 | ; CHECK-NEXT: sxth w[[OLD_EXT:[0-9]+]], w[[OLD]] |
| 529 | ; CHECK-NEXT: cmp w[[OLD_EXT]], w0, sxth |
| 530 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, le |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 531 | |
| 532 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 533 | ; CHECK-NEXT: stlxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 534 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 535 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 536 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 537 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 538 | ret i16 %old |
| 539 | } |
| 540 | |
| 541 | define i32 @test_atomic_load_min_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 542 | ; CHECK-LABEL: test_atomic_load_min_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 543 | %old = atomicrmw min i32* @var32, i32 %offset monotonic |
| 544 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 545 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 546 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 547 | |
| 548 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 549 | ; CHECK: ldxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 550 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 551 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 552 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 553 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 554 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, le |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 555 | |
| 556 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 557 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 558 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 559 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 560 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 561 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 562 | ret i32 %old |
| 563 | } |
| 564 | |
| 565 | define i64 @test_atomic_load_min_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 566 | ; CHECK-LABEL: test_atomic_load_min_i64: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 567 | %old = atomicrmw min i64* @var64, i64 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 568 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 569 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 570 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 571 | |
| 572 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 573 | ; CHECK: ldaxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 574 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 575 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 576 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 577 | ; CHECK-NEXT: cmp x[[OLD]], x0 |
| 578 | ; CHECK-NEXT: csel [[NEW:x[0-9]+]], x[[OLD]], x0, le |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 579 | |
| 580 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 581 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 582 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 583 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 584 | |
| 585 | ; CHECK: mov x0, x[[OLD]] |
| 586 | ret i64 %old |
| 587 | } |
| 588 | |
| 589 | define i8 @test_atomic_load_max_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 590 | ; CHECK-LABEL: test_atomic_load_max_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 591 | %old = atomicrmw max i8* @var8, i8 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 592 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 593 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 594 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 595 | |
| 596 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 597 | ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 598 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 599 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 600 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 601 | ; CHECK-NEXT: sxtb w[[OLD_EXT:[0-9]+]], w[[OLD]] |
| 602 | ; CHECK-NEXT: cmp w[[OLD_EXT]], w0, sxtb |
| 603 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, gt |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 604 | |
| 605 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 606 | ; CHECK-NEXT: stlxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 607 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 608 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 609 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 610 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 611 | ret i8 %old |
| 612 | } |
| 613 | |
| 614 | define i16 @test_atomic_load_max_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 615 | ; CHECK-LABEL: test_atomic_load_max_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 616 | %old = atomicrmw max i16* @var16, i16 %offset acquire |
| 617 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 618 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 619 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 620 | |
| 621 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 622 | ; CHECK: ldaxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 623 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 624 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 625 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 626 | ; CHECK-NEXT: sxth w[[OLD_EXT:[0-9]+]], w[[OLD]] |
| 627 | ; CHECK-NEXT: cmp w[[OLD_EXT]], w0, sxth |
| 628 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, gt |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 629 | |
| 630 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 631 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 632 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 633 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 634 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 635 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 636 | ret i16 %old |
| 637 | } |
| 638 | |
| 639 | define i32 @test_atomic_load_max_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 640 | ; CHECK-LABEL: test_atomic_load_max_i32: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 641 | %old = atomicrmw max i32* @var32, i32 %offset release |
| 642 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 643 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 644 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 645 | |
| 646 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 647 | ; CHECK: ldxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 648 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 649 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 650 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 651 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 652 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, gt |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 653 | |
| 654 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 655 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 656 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 657 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 658 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 659 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 660 | ret i32 %old |
| 661 | } |
| 662 | |
| 663 | define i64 @test_atomic_load_max_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 664 | ; CHECK-LABEL: test_atomic_load_max_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 665 | %old = atomicrmw max i64* @var64, i64 %offset monotonic |
| 666 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 667 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 668 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 669 | |
| 670 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 671 | ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 672 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 673 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 674 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 675 | ; CHECK-NEXT: cmp x[[OLD]], x0 |
| 676 | ; CHECK-NEXT: csel [[NEW:x[0-9]+]], x[[OLD]], x0, gt |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 677 | |
| 678 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 679 | ; CHECK-NEXT: stxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 680 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 681 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 682 | |
| 683 | ; CHECK: mov x0, x[[OLD]] |
| 684 | ret i64 %old |
| 685 | } |
| 686 | |
| 687 | define i8 @test_atomic_load_umin_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 688 | ; CHECK-LABEL: test_atomic_load_umin_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 689 | %old = atomicrmw umin i8* @var8, i8 %offset monotonic |
| 690 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 691 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 692 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 693 | |
| 694 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 695 | ; CHECK: ldxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 696 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 697 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 698 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 699 | ; CHECK-NEXT: cmp w[[OLD]], w0, uxtb |
| 700 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, ls |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 701 | |
| 702 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 703 | ; CHECK-NEXT: stxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 704 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 705 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 706 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 707 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 708 | ret i8 %old |
| 709 | } |
| 710 | |
| 711 | define i16 @test_atomic_load_umin_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 712 | ; CHECK-LABEL: test_atomic_load_umin_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 713 | %old = atomicrmw umin i16* @var16, i16 %offset acquire |
| 714 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 715 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 716 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 717 | |
| 718 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 719 | ; CHECK: ldaxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 720 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 721 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 722 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 723 | ; CHECK-NEXT: cmp w[[OLD]], w0, uxth |
| 724 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, ls |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 725 | |
| 726 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 727 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 728 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 729 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 730 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 731 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 732 | ret i16 %old |
| 733 | } |
| 734 | |
| 735 | define i32 @test_atomic_load_umin_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 736 | ; CHECK-LABEL: test_atomic_load_umin_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 737 | %old = atomicrmw umin i32* @var32, i32 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 738 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 739 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 740 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 741 | |
| 742 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 743 | ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 744 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 745 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 746 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 747 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 748 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, ls |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 749 | |
| 750 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 751 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 752 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 753 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 754 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 755 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 756 | ret i32 %old |
| 757 | } |
| 758 | |
| 759 | define i64 @test_atomic_load_umin_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 760 | ; CHECK-LABEL: test_atomic_load_umin_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 761 | %old = atomicrmw umin i64* @var64, i64 %offset acq_rel |
| 762 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 763 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 764 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 765 | |
| 766 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 767 | ; CHECK: ldaxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 768 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 769 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 770 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 771 | ; CHECK-NEXT: cmp x[[OLD]], x0 |
| 772 | ; CHECK-NEXT: csel [[NEW:x[0-9]+]], x[[OLD]], x0, ls |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 773 | |
| 774 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 775 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 776 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 777 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 778 | |
| 779 | ; CHECK: mov x0, x[[OLD]] |
| 780 | ret i64 %old |
| 781 | } |
| 782 | |
| 783 | define i8 @test_atomic_load_umax_i8(i8 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 784 | ; CHECK-LABEL: test_atomic_load_umax_i8: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 785 | %old = atomicrmw umax i8* @var8, i8 %offset acq_rel |
| 786 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 787 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 788 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 789 | |
| 790 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 791 | ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 792 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 793 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 794 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 795 | ; CHECK-NEXT: cmp w[[OLD]], w0, uxtb |
| 796 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, hi |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 797 | |
| 798 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 799 | ; CHECK-NEXT: stlxrb [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 800 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 801 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 802 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 803 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 804 | ret i8 %old |
| 805 | } |
| 806 | |
| 807 | define i16 @test_atomic_load_umax_i16(i16 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 808 | ; CHECK-LABEL: test_atomic_load_umax_i16: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 809 | %old = atomicrmw umax i16* @var16, i16 %offset monotonic |
| 810 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 811 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 812 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 813 | |
| 814 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 815 | ; CHECK: ldxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 816 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 817 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 818 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 819 | ; CHECK-NEXT: cmp w[[OLD]], w0, uxth |
| 820 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, hi |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 821 | |
| 822 | |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 823 | ; CHECK-NEXT: stxrh [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 824 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 825 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 826 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 827 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 828 | ret i16 %old |
| 829 | } |
| 830 | |
| 831 | define i32 @test_atomic_load_umax_i32(i32 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 832 | ; CHECK-LABEL: test_atomic_load_umax_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 833 | %old = atomicrmw umax i32* @var32, i32 %offset seq_cst |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 834 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 835 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 836 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 837 | |
| 838 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 839 | ; CHECK: ldaxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 840 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 841 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 842 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 843 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 844 | ; CHECK-NEXT: csel [[NEW:w[0-9]+]], w[[OLD]], w0, hi |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 845 | |
| 846 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 847 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 848 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 849 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 850 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 851 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 852 | ret i32 %old |
| 853 | } |
| 854 | |
| 855 | define i64 @test_atomic_load_umax_i64(i64 %offset) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 856 | ; CHECK-LABEL: test_atomic_load_umax_i64: |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 857 | %old = atomicrmw umax i64* @var64, i64 %offset release |
| 858 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 859 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 860 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 861 | |
| 862 | ; CHECK: .LBB{{[0-9]+}}_1: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 863 | ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 864 | ; x0 below is a reasonable guess but could change: it certainly comes into the |
| 865 | ; function there. |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 866 | |
Tim Northover | 3b0846e | 2014-05-24 12:50:23 +0000 | [diff] [blame] | 867 | ; CHECK-NEXT: cmp x[[OLD]], x0 |
| 868 | ; CHECK-NEXT: csel [[NEW:x[0-9]+]], x[[OLD]], x0, hi |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 869 | |
| 870 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 871 | ; CHECK-NEXT: stlxr [[STATUS:w[0-9]+]], [[NEW]], [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 872 | ; CHECK-NEXT: cbnz [[STATUS]], .LBB{{[0-9]+}}_1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 873 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 874 | |
| 875 | ; CHECK: mov x0, x[[OLD]] |
| 876 | ret i64 %old |
| 877 | } |
| 878 | |
| 879 | define i8 @test_atomic_cmpxchg_i8(i8 %wanted, i8 %new) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 880 | ; CHECK-LABEL: test_atomic_cmpxchg_i8: |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 881 | %pair = cmpxchg i8* @var8, i8 %wanted, i8 %new acquire acquire |
| 882 | %old = extractvalue { i8, i1 } %pair, 0 |
| 883 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 884 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 885 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 886 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 887 | |
| 888 | ; CHECK: [[STARTAGAIN:.LBB[0-9]+_[0-9]+]]: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 889 | ; CHECK: ldaxrb w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 890 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 891 | ; function there. |
| 892 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 893 | ; CHECK-NEXT: b.ne [[GET_OUT:.LBB[0-9]+_[0-9]+]] |
Tim Northover | b4ddc08 | 2014-05-30 10:09:59 +0000 | [diff] [blame] | 894 | ; CHECK: stxrb [[STATUS:w[0-9]+]], {{w[0-9]+}}, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 895 | ; CHECK-NEXT: cbnz [[STATUS]], [[STARTAGAIN]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 896 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 897 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 898 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 899 | ret i8 %old |
| 900 | } |
| 901 | |
| 902 | define i16 @test_atomic_cmpxchg_i16(i16 %wanted, i16 %new) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 903 | ; CHECK-LABEL: test_atomic_cmpxchg_i16: |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 904 | %pair = cmpxchg i16* @var16, i16 %wanted, i16 %new seq_cst seq_cst |
| 905 | %old = extractvalue { i16, i1 } %pair, 0 |
| 906 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 907 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 908 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var16 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 909 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var16 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 910 | |
| 911 | ; CHECK: [[STARTAGAIN:.LBB[0-9]+_[0-9]+]]: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 912 | ; CHECK: ldaxrh w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 913 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 914 | ; function there. |
| 915 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 916 | ; CHECK-NEXT: b.ne [[GET_OUT:.LBB[0-9]+_[0-9]+]] |
Tim Northover | b4ddc08 | 2014-05-30 10:09:59 +0000 | [diff] [blame] | 917 | ; CHECK: stlxrh [[STATUS:w[0-9]+]], {{w[0-9]+}}, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 918 | ; CHECK-NEXT: cbnz [[STATUS]], [[STARTAGAIN]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 919 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 920 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 921 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 922 | ret i16 %old |
| 923 | } |
| 924 | |
| 925 | define i32 @test_atomic_cmpxchg_i32(i32 %wanted, i32 %new) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 926 | ; CHECK-LABEL: test_atomic_cmpxchg_i32: |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 927 | %pair = cmpxchg i32* @var32, i32 %wanted, i32 %new release monotonic |
| 928 | %old = extractvalue { i32, i1 } %pair, 0 |
| 929 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 930 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 931 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var32 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 932 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var32 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 933 | |
| 934 | ; CHECK: [[STARTAGAIN:.LBB[0-9]+_[0-9]+]]: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 935 | ; CHECK: ldxr w[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 936 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 937 | ; function there. |
| 938 | ; CHECK-NEXT: cmp w[[OLD]], w0 |
| 939 | ; CHECK-NEXT: b.ne [[GET_OUT:.LBB[0-9]+_[0-9]+]] |
Tim Northover | b4ddc08 | 2014-05-30 10:09:59 +0000 | [diff] [blame] | 940 | ; CHECK: stlxr [[STATUS:w[0-9]+]], {{w[0-9]+}}, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 941 | ; CHECK-NEXT: cbnz [[STATUS]], [[STARTAGAIN]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 942 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 943 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 944 | ; CHECK: mov {{[xw]}}0, {{[xw]}}[[OLD]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 945 | ret i32 %old |
| 946 | } |
| 947 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 948 | define void @test_atomic_cmpxchg_i64(i64 %wanted, i64 %new) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 949 | ; CHECK-LABEL: test_atomic_cmpxchg_i64: |
Tim Northover | 420a216 | 2014-06-13 14:24:07 +0000 | [diff] [blame] | 950 | %pair = cmpxchg i64* @var64, i64 %wanted, i64 %new monotonic monotonic |
| 951 | %old = extractvalue { i64, i1 } %pair, 0 |
| 952 | |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 953 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 954 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var64 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 955 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var64 |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 956 | |
| 957 | ; CHECK: [[STARTAGAIN:.LBB[0-9]+_[0-9]+]]: |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 958 | ; CHECK: ldxr x[[OLD:[0-9]+]], [x[[ADDR]]] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 959 | ; w0 below is a reasonable guess but could change: it certainly comes into the |
| 960 | ; function there. |
| 961 | ; CHECK-NEXT: cmp x[[OLD]], x0 |
| 962 | ; CHECK-NEXT: b.ne [[GET_OUT:.LBB[0-9]+_[0-9]+]] |
| 963 | ; As above, w1 is a reasonable guess. |
| 964 | ; CHECK: stxr [[STATUS:w[0-9]+]], x1, [x[[ADDR]]] |
Tim Northover | 9fafdf6 | 2013-02-28 13:52:07 +0000 | [diff] [blame] | 965 | ; CHECK-NEXT: cbnz [[STATUS]], [[STARTAGAIN]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 966 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 967 | |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 968 | ; CHECK: str x[[OLD]], |
| 969 | store i64 %old, i64* @var64 |
| 970 | ret void |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 971 | } |
| 972 | |
| 973 | define i8 @test_atomic_load_monotonic_i8() nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 974 | ; CHECK-LABEL: test_atomic_load_monotonic_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 975 | %val = load atomic i8* @var8 monotonic, align 1 |
| 976 | ; CHECK-NOT: dmb |
| 977 | ; CHECK: adrp x[[HIADDR:[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 978 | ; CHECK: ldrb w0, [x[[HIADDR]], {{#?}}:lo12:var8] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 979 | ; CHECK-NOT: dmb |
| 980 | |
| 981 | ret i8 %val |
| 982 | } |
| 983 | |
| 984 | define i8 @test_atomic_load_monotonic_regoff_i8(i64 %base, i64 %off) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 985 | ; CHECK-LABEL: test_atomic_load_monotonic_regoff_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 986 | %addr_int = add i64 %base, %off |
| 987 | %addr = inttoptr i64 %addr_int to i8* |
| 988 | |
| 989 | %val = load atomic i8* %addr monotonic, align 1 |
| 990 | ; CHECK-NOT: dmb |
| 991 | ; CHECK: ldrb w0, [x0, x1] |
| 992 | ; CHECK-NOT: dmb |
| 993 | |
| 994 | ret i8 %val |
| 995 | } |
| 996 | |
| 997 | define i8 @test_atomic_load_acquire_i8() nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 998 | ; CHECK-LABEL: test_atomic_load_acquire_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 999 | %val = load atomic i8* @var8 acquire, align 1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1000 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1001 | ; CHECK: adrp [[TMPADDR:x[0-9]+]], var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1002 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1003 | ; CHECK: add x[[ADDR:[0-9]+]], [[TMPADDR]], {{#?}}:lo12:var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1004 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1005 | ; CHECK: ldarb w0, [x[[ADDR]]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1006 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1007 | ret i8 %val |
| 1008 | } |
| 1009 | |
| 1010 | define i8 @test_atomic_load_seq_cst_i8() nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1011 | ; CHECK-LABEL: test_atomic_load_seq_cst_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1012 | %val = load atomic i8* @var8 seq_cst, align 1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1013 | ; CHECK-NOT: dmb |
| 1014 | ; CHECK: adrp [[HIADDR:x[0-9]+]], var8 |
| 1015 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1016 | ; CHECK: add x[[ADDR:[0-9]+]], [[HIADDR]], {{#?}}:lo12:var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1017 | ; CHECK-NOT: dmb |
| 1018 | ; CHECK: ldarb w0, [x[[ADDR]]] |
| 1019 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1020 | ret i8 %val |
| 1021 | } |
| 1022 | |
| 1023 | define i16 @test_atomic_load_monotonic_i16() nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1024 | ; CHECK-LABEL: test_atomic_load_monotonic_i16: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1025 | %val = load atomic i16* @var16 monotonic, align 2 |
| 1026 | ; CHECK-NOT: dmb |
| 1027 | ; CHECK: adrp x[[HIADDR:[0-9]+]], var16 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1028 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1029 | ; CHECK: ldrh w0, [x[[HIADDR]], {{#?}}:lo12:var16] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1030 | ; CHECK-NOT: dmb |
| 1031 | |
| 1032 | ret i16 %val |
| 1033 | } |
| 1034 | |
| 1035 | define i32 @test_atomic_load_monotonic_regoff_i32(i64 %base, i64 %off) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1036 | ; CHECK-LABEL: test_atomic_load_monotonic_regoff_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1037 | %addr_int = add i64 %base, %off |
| 1038 | %addr = inttoptr i64 %addr_int to i32* |
| 1039 | |
| 1040 | %val = load atomic i32* %addr monotonic, align 4 |
| 1041 | ; CHECK-NOT: dmb |
| 1042 | ; CHECK: ldr w0, [x0, x1] |
| 1043 | ; CHECK-NOT: dmb |
| 1044 | |
| 1045 | ret i32 %val |
| 1046 | } |
| 1047 | |
| 1048 | define i64 @test_atomic_load_seq_cst_i64() nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1049 | ; CHECK-LABEL: test_atomic_load_seq_cst_i64: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1050 | %val = load atomic i64* @var64 seq_cst, align 8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1051 | ; CHECK-NOT: dmb |
| 1052 | ; CHECK: adrp [[HIADDR:x[0-9]+]], var64 |
| 1053 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1054 | ; CHECK: add x[[ADDR:[0-9]+]], [[HIADDR]], {{#?}}:lo12:var64 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1055 | ; CHECK-NOT: dmb |
| 1056 | ; CHECK: ldar x0, [x[[ADDR]]] |
| 1057 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1058 | ret i64 %val |
| 1059 | } |
| 1060 | |
| 1061 | define void @test_atomic_store_monotonic_i8(i8 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1062 | ; CHECK-LABEL: test_atomic_store_monotonic_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1063 | store atomic i8 %val, i8* @var8 monotonic, align 1 |
| 1064 | ; CHECK: adrp x[[HIADDR:[0-9]+]], var8 |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1065 | ; CHECK: strb w0, [x[[HIADDR]], {{#?}}:lo12:var8] |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1066 | |
| 1067 | ret void |
| 1068 | } |
| 1069 | |
| 1070 | define void @test_atomic_store_monotonic_regoff_i8(i64 %base, i64 %off, i8 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1071 | ; CHECK-LABEL: test_atomic_store_monotonic_regoff_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1072 | |
| 1073 | %addr_int = add i64 %base, %off |
| 1074 | %addr = inttoptr i64 %addr_int to i8* |
| 1075 | |
| 1076 | store atomic i8 %val, i8* %addr monotonic, align 1 |
| 1077 | ; CHECK: strb w2, [x0, x1] |
| 1078 | |
| 1079 | ret void |
| 1080 | } |
| 1081 | define void @test_atomic_store_release_i8(i8 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1082 | ; CHECK-LABEL: test_atomic_store_release_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1083 | store atomic i8 %val, i8* @var8 release, align 1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1084 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1085 | ; CHECK: adrp [[HIADDR:x[0-9]+]], var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1086 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1087 | ; CHECK: add x[[ADDR:[0-9]+]], [[HIADDR]], {{#?}}:lo12:var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1088 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1089 | ; CHECK: stlrb w0, [x[[ADDR]]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1090 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1091 | ret void |
| 1092 | } |
| 1093 | |
| 1094 | define void @test_atomic_store_seq_cst_i8(i8 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1095 | ; CHECK-LABEL: test_atomic_store_seq_cst_i8: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1096 | store atomic i8 %val, i8* @var8 seq_cst, align 1 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1097 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1098 | ; CHECK: adrp [[HIADDR:x[0-9]+]], var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1099 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1100 | ; CHECK: add x[[ADDR:[0-9]+]], [[HIADDR]], {{#?}}:lo12:var8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1101 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1102 | ; CHECK: stlrb w0, [x[[ADDR]]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1103 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1104 | |
| 1105 | ret void |
| 1106 | } |
| 1107 | |
| 1108 | define void @test_atomic_store_monotonic_i16(i16 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1109 | ; CHECK-LABEL: test_atomic_store_monotonic_i16: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1110 | store atomic i16 %val, i16* @var16 monotonic, align 2 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1111 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1112 | ; CHECK: adrp x[[HIADDR:[0-9]+]], var16 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1113 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1114 | ; CHECK: strh w0, [x[[HIADDR]], {{#?}}:lo12:var16] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1115 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1116 | ret void |
| 1117 | } |
| 1118 | |
| 1119 | define void @test_atomic_store_monotonic_regoff_i32(i64 %base, i64 %off, i32 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1120 | ; CHECK-LABEL: test_atomic_store_monotonic_regoff_i32: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1121 | |
| 1122 | %addr_int = add i64 %base, %off |
| 1123 | %addr = inttoptr i64 %addr_int to i32* |
| 1124 | |
| 1125 | store atomic i32 %val, i32* %addr monotonic, align 4 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1126 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1127 | ; CHECK: str w2, [x0, x1] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1128 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1129 | |
| 1130 | ret void |
| 1131 | } |
| 1132 | |
| 1133 | define void @test_atomic_store_release_i64(i64 %val) nounwind { |
Stephen Lin | f799e3f | 2013-07-13 20:38:47 +0000 | [diff] [blame] | 1134 | ; CHECK-LABEL: test_atomic_store_release_i64: |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1135 | store atomic i64 %val, i64* @var64 release, align 8 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1136 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1137 | ; CHECK: adrp [[HIADDR:x[0-9]+]], var64 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1138 | ; CHECK-NOT: dmb |
Tim Northover | 66c36b8 | 2014-04-18 09:31:31 +0000 | [diff] [blame] | 1139 | ; CHECK: add x[[ADDR:[0-9]+]], [[HIADDR]], {{#?}}:lo12:var64 |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1140 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1141 | ; CHECK: stlr x0, [x[[ADDR]]] |
Tim Northover | 15410e9 | 2013-04-08 08:40:41 +0000 | [diff] [blame] | 1142 | ; CHECK-NOT: dmb |
Tim Northover | e0e3aef | 2013-01-31 12:12:40 +0000 | [diff] [blame] | 1143 | ret void |
| 1144 | } |