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 4target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 5 6define 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; 36entry: 37 br label %loop 38 39loop: 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 47exit: 48 %res = phi i64 [ %iv, %loop ] 49 ret i64 %res 50} 51 52define 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; 82entry: 83 br label %loop 84 85loop: 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 93exit: 94 %res = phi i64 [ %iv.next, %loop ] 95 ret i64 %res 96} 97 98define 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; 132entry: 133 br label %loop 134 135loop: 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 144exit: 145 %res = phi ptr [ %ptr.iv, %loop ] 146 ret ptr %res 147} 148 149define 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; 182entry: 183 br label %loop 184 185loop: 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 194exit: 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;. 206