1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2; RUN: opt -passes=loop-vectorize -force-vector-width=4 -S %s | FileCheck %s 3 4target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" 5 6define void @test_versioned_with_sext_use(i32 %offset, ptr %dst) { 7; CHECK-LABEL: define void @test_versioned_with_sext_use( 8; CHECK-SAME: i32 [[OFFSET:%.*]], ptr [[DST:%.*]]) { 9; CHECK-NEXT: entry: 10; CHECK-NEXT: [[OFFSET_EXT:%.*]] = sext i32 [[OFFSET]] to i64 11; CHECK-NEXT: br label [[OUTER_HEADER:%.*]] 12; CHECK: outer.header.loopexit: 13; CHECK-NEXT: [[IV_2_NEXT_LCSSA:%.*]] = phi i64 [ [[IV_2_NEXT:%.*]], [[INNER_LOOP:%.*]] ], [ [[IND_END:%.*]], [[MIDDLE_BLOCK:%.*]] ] 14; CHECK-NEXT: br label [[OUTER_HEADER]] 15; CHECK: outer.header: 16; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_2_NEXT_LCSSA]], [[OUTER_HEADER_LOOPEXIT:%.*]] ] 17; CHECK-NEXT: [[C:%.*]] = call i1 @cond() 18; CHECK-NEXT: br i1 [[C]], label [[INNER_LOOP_PREHEADER:%.*]], label [[EXIT:%.*]] 19; CHECK: inner.loop.preheader: 20; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 21; CHECK: vector.scevcheck: 22; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[OFFSET]], 1 23; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 24; CHECK: vector.ph: 25; CHECK-NEXT: [[TMP0:%.*]] = mul i64 200, [[OFFSET_EXT]] 26; CHECK-NEXT: [[IND_END]] = add i64 [[IV_1]], [[TMP0]] 27; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 28; CHECK: vector.body: 29; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 30; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[INDEX]], [[OFFSET_EXT]] 31; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[IV_1]], [[TMP1]] 32; CHECK-NEXT: [[TMP2:%.*]] = mul i64 0, [[OFFSET_EXT]] 33; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], [[TMP2]] 34; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i32, ptr [[DST]], i64 [[TMP3]] 35; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i32, ptr [[TMP4]], i32 0 36; CHECK-NEXT: store <4 x i32> zeroinitializer, ptr [[TMP5]], align 8 37; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 38; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 200 39; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] 40; CHECK: middle.block: 41; CHECK-NEXT: br i1 false, label [[OUTER_HEADER_LOOPEXIT]], label [[SCALAR_PH]] 42; CHECK: scalar.ph: 43; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[IV_1]], [[INNER_LOOP_PREHEADER]] ], [ [[IV_1]], [[VECTOR_SCEVCHECK]] ] 44; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 200, [[MIDDLE_BLOCK]] ], [ 0, [[INNER_LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 45; CHECK-NEXT: br label [[INNER_LOOP]] 46; CHECK: inner.loop: 47; CHECK-NEXT: [[IV_2:%.*]] = phi i64 [ [[IV_2_NEXT]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 48; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ [[IV_3_NEXT:%.*]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ] 49; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[DST]], i64 [[IV_2]] 50; CHECK-NEXT: store i32 0, ptr [[GEP]], align 8 51; CHECK-NEXT: [[IV_2_NEXT]] = add i64 [[IV_2]], [[OFFSET_EXT]] 52; CHECK-NEXT: [[IV_3_NEXT]] = add i32 [[IV_3]], 1 53; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_3]], 200 54; CHECK-NEXT: br i1 [[EC]], label [[OUTER_HEADER_LOOPEXIT]], label [[INNER_LOOP]], !llvm.loop [[LOOP3:![0-9]+]] 55; CHECK: exit: 56; CHECK-NEXT: ret void 57; 58entry: 59 %offset.ext = sext i32 %offset to i64 60 br label %outer.header 61 62outer.header: 63 %iv.1 = phi i64 [ 0, %entry ], [ %iv.2.next, %inner.loop ] 64 %c = call i1 @cond() 65 br i1 %c, label %inner.loop, label %exit 66 67inner.loop: 68 %iv.2 = phi i64 [ %iv.1, %outer.header ], [ %iv.2.next, %inner.loop ] 69 %iv.3 = phi i32 [ 0, %outer.header ], [ %iv.3.next, %inner.loop ] 70 %gep = getelementptr i32, ptr %dst, i64 %iv.2 71 store i32 0, ptr %gep, align 8 72 %iv.2.next = add i64 %iv.2, %offset.ext 73 %iv.3.next = add i32 %iv.3, 1 74 %ec = icmp eq i32 %iv.3, 200 75 br i1 %ec, label %outer.header, label %inner.loop 76 77exit: 78 ret void 79} 80 81define void @test_versioned_with_zext_use(i32 %offset, ptr %dst) { 82; CHECK-LABEL: define void @test_versioned_with_zext_use( 83; CHECK-SAME: i32 [[OFFSET:%.*]], ptr [[DST:%.*]]) { 84; CHECK-NEXT: entry: 85; CHECK-NEXT: [[OFFSET_EXT:%.*]] = zext i32 [[OFFSET]] to i64 86; CHECK-NEXT: br label [[OUTER_HEADER:%.*]] 87; CHECK: outer.header.loopexit: 88; CHECK-NEXT: [[IV_2_NEXT_LCSSA:%.*]] = phi i64 [ [[IV_2_NEXT:%.*]], [[INNER_LOOP:%.*]] ], [ [[IND_END:%.*]], [[MIDDLE_BLOCK:%.*]] ] 89; CHECK-NEXT: br label [[OUTER_HEADER]] 90; CHECK: outer.header: 91; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_2_NEXT_LCSSA]], [[OUTER_HEADER_LOOPEXIT:%.*]] ] 92; CHECK-NEXT: [[C:%.*]] = call i1 @cond() 93; CHECK-NEXT: br i1 [[C]], label [[INNER_LOOP_PREHEADER:%.*]], label [[EXIT:%.*]] 94; CHECK: inner.loop.preheader: 95; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 96; CHECK: vector.scevcheck: 97; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[OFFSET]], 1 98; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 99; CHECK: vector.ph: 100; CHECK-NEXT: [[TMP0:%.*]] = mul i64 200, [[OFFSET_EXT]] 101; CHECK-NEXT: [[IND_END]] = add i64 [[IV_1]], [[TMP0]] 102; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 103; CHECK: vector.body: 104; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 105; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[INDEX]], [[OFFSET_EXT]] 106; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[IV_1]], [[TMP1]] 107; CHECK-NEXT: [[TMP2:%.*]] = mul i64 0, [[OFFSET_EXT]] 108; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], [[TMP2]] 109; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i32, ptr [[DST]], i64 [[TMP3]] 110; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i32, ptr [[TMP4]], i32 0 111; CHECK-NEXT: store <4 x i32> zeroinitializer, ptr [[TMP5]], align 8 112; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 113; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 200 114; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] 115; CHECK: middle.block: 116; CHECK-NEXT: br i1 false, label [[OUTER_HEADER_LOOPEXIT]], label [[SCALAR_PH]] 117; CHECK: scalar.ph: 118; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[IV_1]], [[INNER_LOOP_PREHEADER]] ], [ [[IV_1]], [[VECTOR_SCEVCHECK]] ] 119; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 200, [[MIDDLE_BLOCK]] ], [ 0, [[INNER_LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 120; CHECK-NEXT: br label [[INNER_LOOP]] 121; CHECK: inner.loop: 122; CHECK-NEXT: [[IV_2:%.*]] = phi i64 [ [[IV_2_NEXT]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 123; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ [[IV_3_NEXT:%.*]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ] 124; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[DST]], i64 [[IV_2]] 125; CHECK-NEXT: store i32 0, ptr [[GEP]], align 8 126; CHECK-NEXT: [[IV_2_NEXT]] = add i64 [[IV_2]], [[OFFSET_EXT]] 127; CHECK-NEXT: [[IV_3_NEXT]] = add i32 [[IV_3]], 1 128; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_3]], 200 129; CHECK-NEXT: br i1 [[EC]], label [[OUTER_HEADER_LOOPEXIT]], label [[INNER_LOOP]], !llvm.loop [[LOOP5:![0-9]+]] 130; CHECK: exit: 131; CHECK-NEXT: ret void 132; 133entry: 134 %offset.ext = zext i32 %offset to i64 135 br label %outer.header 136 137outer.header: 138 %iv.1 = phi i64 [ 0, %entry ], [ %iv.2.next, %inner.loop ] 139 %c = call i1 @cond() 140 br i1 %c, label %inner.loop, label %exit 141 142inner.loop: 143 %iv.2 = phi i64 [ %iv.1, %outer.header ], [ %iv.2.next, %inner.loop ] 144 %iv.3 = phi i32 [ 0, %outer.header ], [ %iv.3.next, %inner.loop ] 145 %gep = getelementptr i32, ptr %dst, i64 %iv.2 146 store i32 0, ptr %gep, align 8 147 %iv.2.next = add i64 %iv.2, %offset.ext 148 %iv.3.next = add i32 %iv.3, 1 149 %ec = icmp eq i32 %iv.3, 200 150 br i1 %ec, label %outer.header, label %inner.loop 151 152exit: 153 ret void 154} 155 156define void @versioned_sext_use_in_gep(i32 %scale, ptr %dst, i64 %scale.2) { 157; CHECK-LABEL: define void @versioned_sext_use_in_gep( 158; CHECK-SAME: i32 [[SCALE:%.*]], ptr [[DST:%.*]], i64 [[SCALE_2:%.*]]) { 159; CHECK-NEXT: entry: 160; CHECK-NEXT: [[SCALE_EXT:%.*]] = sext i32 [[SCALE]] to i64 161; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 162; CHECK: vector.scevcheck: 163; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[SCALE]], 1 164; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 165; CHECK: vector.ph: 166; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 167; CHECK: vector.body: 168; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 169; CHECK-NEXT: [[TMP10:%.*]] = add i64 [[INDEX]], 0 170; CHECK-NEXT: [[TMP12:%.*]] = add i64 [[INDEX]], 1 171; CHECK-NEXT: [[TMP14:%.*]] = add i64 [[INDEX]], 2 172; CHECK-NEXT: [[TMP16:%.*]] = add i64 [[INDEX]], 3 173; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP10]] 174; CHECK-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP12]] 175; CHECK-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP14]] 176; CHECK-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP16]] 177; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[DST]], i64 [[SCALE_2]] 178; CHECK-NEXT: store ptr [[TMP8]], ptr [[TMP11]], align 8 179; CHECK-NEXT: store ptr [[TMP8]], ptr [[TMP13]], align 8 180; CHECK-NEXT: store ptr [[TMP8]], ptr [[TMP15]], align 8 181; CHECK-NEXT: store ptr [[TMP8]], ptr [[TMP17]], align 8 182; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 183; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256 184; CHECK-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] 185; CHECK: middle.block: 186; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]] 187; CHECK: scalar.ph: 188; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 256, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 189; CHECK-NEXT: br label [[LOOP:%.*]] 190; CHECK: loop: 191; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 192; CHECK-NEXT: [[IV_MUL:%.*]] = mul i64 [[IV]], [[SCALE_EXT]] 193; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr i8, ptr [[DST]], i64 [[IV_MUL]] 194; CHECK-NEXT: [[IV_NEXT]] = add i64 [[IV]], 1 195; CHECK-NEXT: [[SCALE_MUL:%.*]] = mul i64 [[SCALE_EXT]], [[SCALE_2]] 196; CHECK-NEXT: [[GEP_2:%.*]] = getelementptr i8, ptr [[DST]], i64 [[SCALE_MUL]] 197; CHECK-NEXT: store ptr [[GEP_2]], ptr [[GEP_1]], align 8 198; CHECK-NEXT: [[EC:%.*]] = icmp eq i64 [[IV_NEXT]], 256 199; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP7:![0-9]+]] 200; CHECK: exit: 201; CHECK-NEXT: ret void 202; 203entry: 204 %scale.ext = sext i32 %scale to i64 205 br label %loop 206 207loop: 208 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] 209 %iv.mul = mul i64 %iv, %scale.ext 210 %gep.1 = getelementptr i8, ptr %dst, i64 %iv.mul 211 %iv.next = add i64 %iv, 1 212 %scale.mul = mul i64 %scale.ext, %scale.2 213 %gep.2 = getelementptr i8, ptr %dst, i64 %scale.mul 214 store ptr %gep.2, ptr %gep.1, align 8 215 %ec = icmp eq i64 %iv.next, 256 216 br i1 %ec, label %exit, label %loop 217 218exit: 219 ret void 220} 221 222declare i1 @cond() 223 224define void @test_versioned_with_different_uses(i32 %offset, ptr noalias %dst.1, ptr %dst.2) { 225; CHECK-LABEL: define void @test_versioned_with_different_uses( 226; CHECK-SAME: i32 [[OFFSET:%.*]], ptr noalias [[DST_1:%.*]], ptr [[DST_2:%.*]]) { 227; CHECK-NEXT: entry: 228; CHECK-NEXT: [[OFFSET_EXT:%.*]] = zext i32 [[OFFSET]] to i64 229; CHECK-NEXT: br label [[OUTER_HEADER:%.*]] 230; CHECK: outer.header.loopexit: 231; CHECK-NEXT: [[IV_2_NEXT_LCSSA:%.*]] = phi i64 [ [[IV_2_NEXT:%.*]], [[INNER_LOOP:%.*]] ], [ [[IND_END:%.*]], [[MIDDLE_BLOCK:%.*]] ] 232; CHECK-NEXT: br label [[OUTER_HEADER]] 233; CHECK: outer.header: 234; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[IV_2_NEXT_LCSSA]], [[OUTER_HEADER_LOOPEXIT:%.*]] ] 235; CHECK-NEXT: [[C:%.*]] = call i1 @cond() 236; CHECK-NEXT: br i1 [[C]], label [[INNER_LOOP_PREHEADER:%.*]], label [[EXIT:%.*]] 237; CHECK: inner.loop.preheader: 238; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 239; CHECK: vector.scevcheck: 240; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[OFFSET]], 1 241; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 242; CHECK: vector.ph: 243; CHECK-NEXT: [[TMP0:%.*]] = mul i64 200, [[OFFSET_EXT]] 244; CHECK-NEXT: [[IND_END]] = add i64 [[IV_1]], [[TMP0]] 245; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 246; CHECK: vector.body: 247; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 248; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[INDEX]], [[OFFSET_EXT]] 249; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i64 [[IV_1]], [[TMP1]] 250; CHECK-NEXT: [[TMP2:%.*]] = mul i64 0, [[OFFSET_EXT]] 251; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], [[TMP2]] 252; CHECK-NEXT: [[OFFSET_IDX2:%.*]] = trunc i64 [[INDEX]] to i32 253; CHECK-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX2]], 0 254; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX2]], 1 255; CHECK-NEXT: [[TMP6:%.*]] = add i32 [[OFFSET_IDX2]], 2 256; CHECK-NEXT: [[TMP7:%.*]] = add i32 [[OFFSET_IDX2]], 3 257; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP4]] 258; CHECK-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP5]] 259; CHECK-NEXT: [[TMP10:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP6]] 260; CHECK-NEXT: [[TMP11:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP7]] 261; CHECK-NEXT: store i32 0, ptr [[TMP8]], align 8 262; CHECK-NEXT: store i32 0, ptr [[TMP9]], align 8 263; CHECK-NEXT: store i32 0, ptr [[TMP10]], align 8 264; CHECK-NEXT: store i32 0, ptr [[TMP11]], align 8 265; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i32, ptr [[DST_2]], i64 [[TMP3]] 266; CHECK-NEXT: [[TMP13:%.*]] = getelementptr i32, ptr [[TMP12]], i32 0 267; CHECK-NEXT: store <4 x i32> zeroinitializer, ptr [[TMP13]], align 8 268; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 269; CHECK-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], 200 270; CHECK-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] 271; CHECK: middle.block: 272; CHECK-NEXT: br i1 false, label [[OUTER_HEADER_LOOPEXIT]], label [[SCALAR_PH]] 273; CHECK: scalar.ph: 274; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[IV_1]], [[INNER_LOOP_PREHEADER]] ], [ [[IV_1]], [[VECTOR_SCEVCHECK]] ] 275; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 200, [[MIDDLE_BLOCK]] ], [ 0, [[INNER_LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 276; CHECK-NEXT: br label [[INNER_LOOP]] 277; CHECK: inner.loop: 278; CHECK-NEXT: [[IV_2:%.*]] = phi i64 [ [[IV_2_NEXT]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ] 279; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ [[IV_3_NEXT:%.*]], [[INNER_LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ] 280; CHECK-NEXT: [[IV_MUL:%.*]] = mul i32 [[IV_3]], [[OFFSET]] 281; CHECK-NEXT: [[GEP_MUL:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[IV_MUL]] 282; CHECK-NEXT: store i32 0, ptr [[GEP_MUL]], align 8 283; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[DST_2]], i64 [[IV_2]] 284; CHECK-NEXT: store i32 0, ptr [[GEP]], align 8 285; CHECK-NEXT: [[IV_2_NEXT]] = add i64 [[IV_2]], [[OFFSET_EXT]] 286; CHECK-NEXT: [[IV_3_NEXT]] = add i32 [[IV_3]], 1 287; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_3]], 200 288; CHECK-NEXT: br i1 [[EC]], label [[OUTER_HEADER_LOOPEXIT]], label [[INNER_LOOP]], !llvm.loop [[LOOP9:![0-9]+]] 289; CHECK: exit: 290; CHECK-NEXT: ret void 291; 292entry: 293 %offset.ext = zext i32 %offset to i64 294 br label %outer.header 295 296outer.header: 297 %iv.1 = phi i64 [ 0, %entry ], [ %iv.2.next, %inner.loop ] 298 %c = call i1 @cond() 299 br i1 %c, label %inner.loop, label %exit 300 301inner.loop: 302 %iv.2 = phi i64 [ %iv.1, %outer.header ], [ %iv.2.next, %inner.loop ] 303 %iv.3 = phi i32 [ 0, %outer.header ], [ %iv.3.next, %inner.loop ] 304 %iv.mul = mul i32 %iv.3, %offset 305 %gep.mul = getelementptr i8, ptr %dst.1, i32 %iv.mul 306 store i32 0, ptr %gep.mul, align 8 307 %gep = getelementptr i32, ptr %dst.2, i64 %iv.2 308 store i32 0, ptr %gep, align 8 309 %iv.2.next = add i64 %iv.2, %offset.ext 310 %iv.3.next = add i32 %iv.3, 1 311 %ec = icmp eq i32 %iv.3, 200 312 br i1 %ec, label %outer.header, label %inner.loop 313 314exit: 315 ret void 316} 317 318define void @test_versioned_with_non_ex_use(i32 %offset, ptr noalias %dst.1, ptr %dst.2) { 319; CHECK-LABEL: define void @test_versioned_with_non_ex_use( 320; CHECK-SAME: i32 [[OFFSET:%.*]], ptr noalias [[DST_1:%.*]], ptr [[DST_2:%.*]]) { 321; CHECK-NEXT: entry: 322; CHECK-NEXT: [[OFFSET_EXT:%.*]] = zext i32 [[OFFSET]] to i64 323; CHECK-NEXT: [[ADD:%.*]] = add i32 [[OFFSET]], 3 324; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 325; CHECK: vector.scevcheck: 326; CHECK-NEXT: [[TMP0:%.*]] = sub i32 -3, [[OFFSET]] 327; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i32 [[ADD]], 0 328; CHECK-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[TMP0]], i32 [[ADD]] 329; CHECK-NEXT: [[MUL:%.*]] = call { i32, i1 } @llvm.umul.with.overflow.i32(i32 [[TMP2]], i32 200) 330; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i32, i1 } [[MUL]], 0 331; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i32, i1 } [[MUL]], 1 332; CHECK-NEXT: [[TMP3:%.*]] = sub i32 0, [[MUL_RESULT]] 333; CHECK-NEXT: [[TMP4:%.*]] = icmp slt i32 [[MUL_RESULT]], 0 334; CHECK-NEXT: [[TMP5:%.*]] = icmp sgt i32 [[TMP3]], 0 335; CHECK-NEXT: [[TMP6:%.*]] = select i1 [[TMP1]], i1 [[TMP5]], i1 [[TMP4]] 336; CHECK-NEXT: [[TMP7:%.*]] = or i1 [[TMP6]], [[MUL_OVERFLOW]] 337; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[OFFSET]], 1 338; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP7]], [[IDENT_CHECK]] 339; CHECK-NEXT: br i1 [[TMP8]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 340; CHECK: vector.ph: 341; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[ADD]], i64 0 342; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer 343; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 344; CHECK: vector.body: 345; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 346; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ] 347; CHECK-NEXT: [[TMP9:%.*]] = add i64 [[INDEX]], 0 348; CHECK-NEXT: [[TMP10:%.*]] = mul <4 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]] 349; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i32> [[TMP10]], i32 0 350; CHECK-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP11]] 351; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i32> [[TMP10]], i32 1 352; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP13]] 353; CHECK-NEXT: [[TMP15:%.*]] = extractelement <4 x i32> [[TMP10]], i32 2 354; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP15]] 355; CHECK-NEXT: [[TMP17:%.*]] = extractelement <4 x i32> [[TMP10]], i32 3 356; CHECK-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[TMP17]] 357; CHECK-NEXT: store i32 0, ptr [[TMP12]], align 8 358; CHECK-NEXT: store i32 0, ptr [[TMP14]], align 8 359; CHECK-NEXT: store i32 0, ptr [[TMP16]], align 8 360; CHECK-NEXT: store i32 0, ptr [[TMP18]], align 8 361; CHECK-NEXT: [[TMP20:%.*]] = getelementptr i32, ptr [[DST_2]], i64 [[TMP9]] 362; CHECK-NEXT: [[TMP21:%.*]] = getelementptr i32, ptr [[TMP20]], i32 0 363; CHECK-NEXT: store <4 x i32> zeroinitializer, ptr [[TMP21]], align 8 364; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 365; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4> 366; CHECK-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], 200 367; CHECK-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]] 368; CHECK: middle.block: 369; CHECK-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]] 370; CHECK: scalar.ph: 371; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 200, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 372; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 200, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 373; CHECK-NEXT: br label [[LOOP:%.*]] 374; CHECK: loop: 375; CHECK-NEXT: [[IV_2:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ] 376; CHECK-NEXT: [[IV_3:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_3_NEXT:%.*]], [[LOOP]] ] 377; CHECK-NEXT: [[IV_MUL:%.*]] = mul i32 [[IV_3]], [[ADD]] 378; CHECK-NEXT: [[GEP_MUL:%.*]] = getelementptr i8, ptr [[DST_1]], i32 [[IV_MUL]] 379; CHECK-NEXT: store i32 0, ptr [[GEP_MUL]], align 8 380; CHECK-NEXT: [[IV_2_MUL:%.*]] = mul i64 [[IV_2]], [[OFFSET_EXT]] 381; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[DST_2]], i64 [[IV_2_MUL]] 382; CHECK-NEXT: store i32 0, ptr [[GEP]], align 8 383; CHECK-NEXT: [[IV_2_NEXT]] = add i64 [[IV_2]], 1 384; CHECK-NEXT: [[IV_3_NEXT]] = add i32 [[IV_3]], 1 385; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[IV_3]], 200 386; CHECK-NEXT: br i1 [[EC]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP11:![0-9]+]] 387; CHECK: exit: 388; CHECK-NEXT: ret void 389; 390entry: 391 %offset.ext = zext i32 %offset to i64 392 %add = add i32 %offset, 3 393 br label %loop 394 395loop: 396 %iv.2 = phi i64 [ 0, %entry ], [ %iv.2.next, %loop ] 397 %iv.3 = phi i32 [ 0, %entry ], [ %iv.3.next, %loop ] 398 %iv.mul = mul i32 %iv.3, %add 399 %gep.mul = getelementptr i8, ptr %dst.1, i32 %iv.mul 400 store i32 0, ptr %gep.mul, align 8 401 %iv.2.mul = mul i64 %iv.2, %offset.ext 402 %gep = getelementptr i32, ptr %dst.2, i64 %iv.2.mul 403 store i32 0, ptr %gep, align 8 404 %iv.2.next = add i64 %iv.2, 1 405 %iv.3.next = add i32 %iv.3, 1 406 %ec = icmp eq i32 %iv.3, 200 407 br i1 %ec, label %exit, label %loop 408 409exit: 410 ret void 411} 412 413; Test case to make sure that uses of versioned strides of type i1 are properly 414; extended. From https://github.com/llvm/llvm-project/issues/91369. 415define void @zext_of_i1_stride(i1 %g, ptr %dst) mustprogress { 416; CHECK-LABEL: define void @zext_of_i1_stride( 417; CHECK-SAME: i1 [[G:%.*]], ptr [[DST:%.*]]) #[[ATTR0:[0-9]+]] { 418; CHECK-NEXT: entry: 419; CHECK-NEXT: [[G_16:%.*]] = zext i1 [[G]] to i16 420; CHECK-NEXT: [[G_64:%.*]] = zext i1 [[G]] to i64 421; CHECK-NEXT: [[TMP0:%.*]] = udiv i64 15, [[G_64]] 422; CHECK-NEXT: [[TMP1:%.*]] = add nuw nsw i64 [[TMP0]], 1 423; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP1]], 4 424; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 425; CHECK: vector.scevcheck: 426; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i1 [[G]], true 427; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 428; CHECK: vector.ph: 429; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], 4 430; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]] 431; CHECK-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], [[G_64]] 432; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 433; CHECK: vector.body: 434; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 435; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], [[G_64]] 436; CHECK-NEXT: [[TMP2:%.*]] = mul i64 0, [[G_64]] 437; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], [[TMP2]] 438; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, ptr [[DST]], i64 [[TMP3]] 439; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, ptr [[TMP4]], i32 0 440; CHECK-NEXT: store <4 x i16> <i16 1, i16 1, i16 1, i16 1>, ptr [[TMP5]], align 2 441; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 442; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] 443; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]] 444; CHECK: middle.block: 445; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]] 446; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 447; CHECK: scalar.ph: 448; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 449; CHECK-NEXT: br label [[LOOP:%.*]] 450; CHECK: loop: 451; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 452; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i16, ptr [[DST]], i64 [[IV]] 453; CHECK-NEXT: store i16 [[G_16]], ptr [[GEP]], align 2 454; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], [[G_64]] 455; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[IV_NEXT]], 16 456; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT]], !llvm.loop [[LOOP13:![0-9]+]] 457; CHECK: exit: 458; CHECK-NEXT: ret void 459; 460entry: 461 %g.16 = zext i1 %g to i16 462 %g.64 = zext i1 %g to i64 463 br label %loop 464 465loop: 466 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] 467 %gep = getelementptr inbounds i16, ptr %dst, i64 %iv 468 store i16 %g.16, ptr %gep, align 2 469 %iv.next = add nuw nsw i64 %iv, %g.64 470 %cmp = icmp ult i64 %iv.next, 16 471 br i1 %cmp, label %loop, label %exit 472 473exit: 474 ret void 475} 476 477; Test case to make sure that uses of versioned strides of type i1 are properly 478; extended. 479define void @sext_of_i1_stride(i1 %g, ptr %dst) mustprogress { 480; CHECK-LABEL: define void @sext_of_i1_stride( 481; CHECK-SAME: i1 [[G:%.*]], ptr [[DST:%.*]]) #[[ATTR0]] { 482; CHECK-NEXT: entry: 483; CHECK-NEXT: [[G_16:%.*]] = sext i1 [[G]] to i16 484; CHECK-NEXT: [[G_64:%.*]] = sext i1 [[G]] to i64 485; CHECK-NEXT: [[UMAX:%.*]] = call i64 @llvm.umax.i64(i64 [[G_64]], i64 16) 486; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[UMAX]], -1 487; CHECK-NEXT: [[TMP1:%.*]] = udiv i64 [[TMP0]], [[G_64]] 488; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1 489; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4 490; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]] 491; CHECK: vector.scevcheck: 492; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i1 [[G]], true 493; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]] 494; CHECK: vector.ph: 495; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4 496; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]] 497; CHECK-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], [[G_64]] 498; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] 499; CHECK: vector.body: 500; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] 501; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], [[G_64]] 502; CHECK-NEXT: [[TMP3:%.*]] = mul i64 0, [[G_64]] 503; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], [[TMP3]] 504; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, ptr [[DST]], i64 [[TMP4]] 505; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, ptr [[TMP5]], i32 0 506; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, ptr [[TMP6]], i32 -3 507; CHECK-NEXT: store <4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, ptr [[TMP7]], align 2 508; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 509; CHECK-NEXT: br i1 true, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]] 510; CHECK: middle.block: 511; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]] 512; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]] 513; CHECK: scalar.ph: 514; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ] 515; CHECK-NEXT: br label [[LOOP:%.*]] 516; CHECK: loop: 517; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ] 518; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i16, ptr [[DST]], i64 [[IV]] 519; CHECK-NEXT: store i16 [[G_16]], ptr [[GEP]], align 2 520; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], [[G_64]] 521; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[IV_NEXT]], 16 522; CHECK-NEXT: br i1 [[CMP]], label [[LOOP]], label [[EXIT]], !llvm.loop [[LOOP15:![0-9]+]] 523; CHECK: exit: 524; CHECK-NEXT: ret void 525; 526entry: 527 %g.16 = sext i1 %g to i16 528 %g.64 = sext i1 %g to i64 529 br label %loop 530 531loop: 532 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ] 533 %gep = getelementptr inbounds i16, ptr %dst, i64 %iv 534 store i16 %g.16, ptr %gep, align 2 535 %iv.next = add nuw nsw i64 %iv, %g.64 536 %cmp = icmp ult i64 %iv.next, 16 537 br i1 %cmp, label %loop, label %exit 538 539exit: 540 ret void 541} 542 543 544;. 545; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]} 546; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1} 547; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"} 548; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META1]]} 549; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]} 550; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META1]]} 551; CHECK: [[LOOP6]] = distinct !{[[LOOP6]], [[META1]], [[META2]]} 552; CHECK: [[LOOP7]] = distinct !{[[LOOP7]], [[META1]]} 553; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META1]], [[META2]]} 554; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META1]]} 555; CHECK: [[LOOP10]] = distinct !{[[LOOP10]], [[META1]], [[META2]]} 556; CHECK: [[LOOP11]] = distinct !{[[LOOP11]], [[META1]]} 557; CHECK: [[LOOP12]] = distinct !{[[LOOP12]], [[META1]], [[META2]]} 558; CHECK: [[LOOP13]] = distinct !{[[LOOP13]], [[META1]]} 559; CHECK: [[LOOP14]] = distinct !{[[LOOP14]], [[META1]], [[META2]]} 560; CHECK: [[LOOP15]] = distinct !{[[LOOP15]], [[META1]]} 561;. 562