Florian Hahn | 8d90473 | 2025-01-19 19:15:45 +0000 | [diff] [blame] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 |
| 2 | ; RUN: opt -passes='loop-vectorize' -force-vector-width=8 -force-vector-interleave=2 -S %s | FileCheck --check-prefixes=CHECK %s |
| 3 | |
| 4 | target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| 5 | |
| 6 | define i64 @remove_loop_region_int_iv_used_outside(ptr %dst) { |
| 7 | ; CHECK-LABEL: define i64 @remove_loop_region_int_iv_used_outside( |
| 8 | ; CHECK-SAME: ptr [[DST:%.*]]) { |
| 9 | ; CHECK-NEXT: [[ENTRY:.*]]: |
| 10 | ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| 11 | ; CHECK: [[VECTOR_PH]]: |
| 12 | ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| 13 | ; CHECK: [[VECTOR_BODY]]: |
| 14 | ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr ptr, ptr [[DST]], i64 0 |
| 15 | ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr ptr, ptr [[TMP0]], i32 0 |
| 16 | ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr ptr, ptr [[TMP0]], i32 8 |
| 17 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP1]], align 8 |
| 18 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP2]], align 8 |
| 19 | ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| 20 | ; CHECK: [[MIDDLE_BLOCK]]: |
| 21 | ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]] |
| 22 | ; CHECK: [[SCALAR_PH]]: |
| 23 | ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 16, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] |
| 24 | ; CHECK-NEXT: br label %[[LOOP:.*]] |
| 25 | ; CHECK: [[LOOP]]: |
| 26 | ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] |
| 27 | ; CHECK-NEXT: [[GEP:%.*]] = getelementptr ptr, ptr [[DST]], i64 [[IV]] |
| 28 | ; CHECK-NEXT: store ptr null, ptr [[GEP]], align 8 |
| 29 | ; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1 |
| 30 | ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], 16 |
| 31 | ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP0:![0-9]+]] |
| 32 | ; CHECK: [[EXIT]]: |
| 33 | ; CHECK-NEXT: [[RES:%.*]] = phi i64 [ [[IV]], %[[LOOP]] ], [ 15, %[[MIDDLE_BLOCK]] ] |
| 34 | ; CHECK-NEXT: ret i64 [[RES]] |
| 35 | ; |
| 36 | entry: |
| 37 | br label %loop |
| 38 | |
| 39 | loop: |
| 40 | %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| 41 | %gep = getelementptr ptr, ptr %dst, i64 %iv |
| 42 | store ptr null, ptr %gep, align 8 |
| 43 | %iv.next = add i64 %iv, 1 |
| 44 | %ec = icmp eq i64 %iv.next, 16 |
| 45 | br i1 %ec, label %exit, label %loop |
| 46 | |
| 47 | exit: |
| 48 | %res = phi i64 [ %iv, %loop ] |
| 49 | ret i64 %res |
| 50 | } |
| 51 | |
| 52 | define i64 @remove_loop_region_int_iv_inc_used_outside(ptr %dst) { |
| 53 | ; CHECK-LABEL: define i64 @remove_loop_region_int_iv_inc_used_outside( |
| 54 | ; CHECK-SAME: ptr [[DST:%.*]]) { |
| 55 | ; CHECK-NEXT: [[ENTRY:.*]]: |
| 56 | ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| 57 | ; CHECK: [[VECTOR_PH]]: |
| 58 | ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| 59 | ; CHECK: [[VECTOR_BODY]]: |
| 60 | ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr ptr, ptr [[DST]], i64 0 |
| 61 | ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr ptr, ptr [[TMP0]], i32 0 |
| 62 | ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr ptr, ptr [[TMP0]], i32 8 |
| 63 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP1]], align 8 |
| 64 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP2]], align 8 |
| 65 | ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| 66 | ; CHECK: [[MIDDLE_BLOCK]]: |
| 67 | ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]] |
| 68 | ; CHECK: [[SCALAR_PH]]: |
| 69 | ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 16, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] |
| 70 | ; CHECK-NEXT: br label %[[LOOP:.*]] |
| 71 | ; CHECK: [[LOOP]]: |
| 72 | ; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], %[[LOOP]] ] |
| 73 | ; CHECK-NEXT: [[GEP:%.*]] = getelementptr ptr, ptr [[DST]], i64 [[IV]] |
| 74 | ; CHECK-NEXT: store ptr null, ptr [[GEP]], align 8 |
| 75 | ; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1 |
| 76 | ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], 16 |
| 77 | ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP3:![0-9]+]] |
| 78 | ; CHECK: [[EXIT]]: |
| 79 | ; CHECK-NEXT: [[RES:%.*]] = phi i64 [ [[IV_NEXT]], %[[LOOP]] ], [ 16, %[[MIDDLE_BLOCK]] ] |
| 80 | ; CHECK-NEXT: ret i64 [[RES]] |
| 81 | ; |
| 82 | entry: |
| 83 | br label %loop |
| 84 | |
| 85 | loop: |
| 86 | %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] |
| 87 | %gep = getelementptr ptr, ptr %dst, i64 %iv |
| 88 | store ptr null, ptr %gep, align 8 |
| 89 | %iv.next = add i64 %iv, 1 |
| 90 | %ec = icmp eq i64 %iv.next, 16 |
| 91 | br i1 %ec, label %exit, label %loop |
| 92 | |
| 93 | exit: |
| 94 | %res = phi i64 [ %iv.next, %loop ] |
| 95 | ret i64 %res |
| 96 | } |
| 97 | |
| 98 | define ptr @remove_loop_region_ptr_iv_used_outside(ptr %dst) { |
| 99 | ; CHECK-LABEL: define ptr @remove_loop_region_ptr_iv_used_outside( |
| 100 | ; CHECK-SAME: ptr [[DST:%.*]]) { |
| 101 | ; CHECK-NEXT: [[ENTRY:.*]]: |
| 102 | ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| 103 | ; CHECK: [[VECTOR_PH]]: |
| 104 | ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[DST]], i64 128 |
| 105 | ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| 106 | ; CHECK: [[VECTOR_BODY]]: |
| 107 | ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[DST]], i64 0 |
| 108 | ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr ptr, ptr [[NEXT_GEP]], i32 0 |
| 109 | ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr ptr, ptr [[NEXT_GEP]], i32 8 |
| 110 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP1]], align 8 |
| 111 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP2]], align 8 |
| 112 | ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| 113 | ; CHECK: [[MIDDLE_BLOCK]]: |
| 114 | ; CHECK-NEXT: [[IND_ESCAPE:%.*]] = getelementptr i8, ptr [[TMP0]], i64 -8 |
| 115 | ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]] |
| 116 | ; CHECK: [[SCALAR_PH]]: |
| 117 | ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[TMP0]], %[[MIDDLE_BLOCK]] ], [ [[DST]], %[[ENTRY]] ] |
| 118 | ; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 16, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] |
| 119 | ; CHECK-NEXT: br label %[[LOOP:.*]] |
| 120 | ; CHECK: [[LOOP]]: |
| 121 | ; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[PTR_IV_NEXT:%.*]], %[[LOOP]] ] |
| 122 | ; CHECK-NEXT: [[INT_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ], [ [[INT_IV_NEXT:%.*]], %[[LOOP]] ] |
| 123 | ; CHECK-NEXT: store ptr null, ptr [[PTR_IV]], align 8 |
| 124 | ; CHECK-NEXT: [[INT_IV_NEXT]] = add i64 [[INT_IV]], 1 |
| 125 | ; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr i8, ptr [[PTR_IV]], i64 8 |
| 126 | ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[INT_IV_NEXT]], 16 |
| 127 | ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP4:![0-9]+]] |
| 128 | ; CHECK: [[EXIT]]: |
| 129 | ; CHECK-NEXT: [[RES:%.*]] = phi ptr [ [[PTR_IV]], %[[LOOP]] ], [ [[IND_ESCAPE]], %[[MIDDLE_BLOCK]] ] |
| 130 | ; CHECK-NEXT: ret ptr [[RES]] |
| 131 | ; |
| 132 | entry: |
| 133 | br label %loop |
| 134 | |
| 135 | loop: |
| 136 | %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ] |
| 137 | %int.iv = phi i64 [ 0, %entry ], [ %int.iv.next, %loop ] |
| 138 | store ptr null, ptr %ptr.iv, align 8 |
| 139 | %int.iv.next = add i64 %int.iv, 1 |
| 140 | %ptr.iv.next = getelementptr i8, ptr %ptr.iv, i64 8 |
| 141 | %ec = icmp eq i64 %int.iv.next, 16 |
| 142 | br i1 %ec, label %exit, label %loop |
| 143 | |
| 144 | exit: |
| 145 | %res = phi ptr [ %ptr.iv, %loop ] |
| 146 | ret ptr %res |
| 147 | } |
| 148 | |
| 149 | define ptr @remove_loop_region_ptr_iv_inc_used_outside(ptr %dst) { |
| 150 | ; CHECK-LABEL: define ptr @remove_loop_region_ptr_iv_inc_used_outside( |
| 151 | ; CHECK-SAME: ptr [[DST:%.*]]) { |
| 152 | ; CHECK-NEXT: [[ENTRY:.*]]: |
| 153 | ; CHECK-NEXT: br i1 false, label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| 154 | ; CHECK: [[VECTOR_PH]]: |
| 155 | ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[DST]], i64 128 |
| 156 | ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| 157 | ; CHECK: [[VECTOR_BODY]]: |
| 158 | ; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[DST]], i64 0 |
| 159 | ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr ptr, ptr [[NEXT_GEP]], i32 0 |
| 160 | ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr ptr, ptr [[NEXT_GEP]], i32 8 |
| 161 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP1]], align 8 |
| 162 | ; CHECK-NEXT: store <8 x ptr> zeroinitializer, ptr [[TMP2]], align 8 |
| 163 | ; CHECK-NEXT: br label %[[MIDDLE_BLOCK:.*]] |
| 164 | ; CHECK: [[MIDDLE_BLOCK]]: |
| 165 | ; CHECK-NEXT: br i1 true, label %[[EXIT:.*]], label %[[SCALAR_PH]] |
| 166 | ; CHECK: [[SCALAR_PH]]: |
| 167 | ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi ptr [ [[TMP0]], %[[MIDDLE_BLOCK]] ], [ [[DST]], %[[ENTRY]] ] |
| 168 | ; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ 16, %[[MIDDLE_BLOCK]] ], [ 0, %[[ENTRY]] ] |
| 169 | ; CHECK-NEXT: br label %[[LOOP:.*]] |
| 170 | ; CHECK: [[LOOP]]: |
| 171 | ; CHECK-NEXT: [[PTR_IV:%.*]] = phi ptr [ [[BC_RESUME_VAL]], %[[SCALAR_PH]] ], [ [[PTR_IV_NEXT:%.*]], %[[LOOP]] ] |
| 172 | ; CHECK-NEXT: [[INT_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL1]], %[[SCALAR_PH]] ], [ [[INT_IV_NEXT:%.*]], %[[LOOP]] ] |
| 173 | ; CHECK-NEXT: store ptr null, ptr [[PTR_IV]], align 8 |
| 174 | ; CHECK-NEXT: [[INT_IV_NEXT]] = add i64 [[INT_IV]], 1 |
| 175 | ; CHECK-NEXT: [[PTR_IV_NEXT]] = getelementptr i8, ptr [[PTR_IV]], i64 8 |
| 176 | ; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[INT_IV_NEXT]], 16 |
| 177 | ; CHECK-NEXT: br i1 [[EC]], label %[[EXIT]], label %[[LOOP]], !llvm.loop [[LOOP5:![0-9]+]] |
| 178 | ; CHECK: [[EXIT]]: |
| 179 | ; CHECK-NEXT: [[RES:%.*]] = phi ptr [ [[PTR_IV_NEXT]], %[[LOOP]] ], [ [[TMP0]], %[[MIDDLE_BLOCK]] ] |
| 180 | ; CHECK-NEXT: ret ptr [[RES]] |
| 181 | ; |
| 182 | entry: |
| 183 | br label %loop |
| 184 | |
| 185 | loop: |
| 186 | %ptr.iv = phi ptr [ %dst, %entry ], [ %ptr.iv.next, %loop ] |
| 187 | %int.iv = phi i64 [ 0, %entry ], [ %int.iv.next, %loop ] |
| 188 | store ptr null, ptr %ptr.iv, align 8 |
| 189 | %int.iv.next = add i64 %int.iv, 1 |
| 190 | %ptr.iv.next = getelementptr i8, ptr %ptr.iv, i64 8 |
| 191 | %ec = icmp eq i64 %int.iv.next, 16 |
| 192 | br i1 %ec, label %exit, label %loop |
| 193 | |
| 194 | exit: |
| 195 | %res = phi ptr [ %ptr.iv.next, %loop ] |
| 196 | ret ptr %res |
| 197 | } |
| 198 | ;. |
| 199 | ; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} |
| 200 | ; CHECK: [[META1]] = !{!"llvm.loop.unroll.runtime.disable"} |
| 201 | ; CHECK: [[META2]] = !{!"llvm.loop.isvectorized", i32 1} |
| 202 | ; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]], [[META2]]} |
| 203 | ; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]} |
| 204 | ; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]], [[META2]]} |
| 205 | ;. |