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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "^scalar.ph" --version 62; RUN: opt -p loop-vectorize -force-vector-width=4 -S %s | FileCheck %s3 4define void @induction_with_multiple_instructions_in_chain(ptr %p, ptr noalias %q) {5; CHECK-LABEL: define void @induction_with_multiple_instructions_in_chain(6; CHECK-SAME: ptr [[P:%.*]], ptr noalias [[Q:%.*]]) {7; CHECK-NEXT: [[ENTRY:.*:]]8; CHECK-NEXT: br label %[[VECTOR_PH:.*]]9; CHECK: [[VECTOR_PH]]:10; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]11; CHECK: [[VECTOR_BODY]]:12; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]13; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 3, i32 6, i32 9, i32 12>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]14; CHECK-NEXT: [[VEC_IND1:%.*]] = phi <4 x i32> [ <i32 0, i32 3, i32 6, i32 9>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], %[[VECTOR_BODY]] ]15; CHECK-NEXT: [[TMP0:%.*]] = sext <4 x i32> [[VEC_IND]] to <4 x i64>16; CHECK-NEXT: [[TMP1:%.*]] = extractelement <4 x i64> [[TMP0]], i32 017; CHECK-NEXT: [[TMP2:%.*]] = extractelement <4 x i64> [[TMP0]], i32 118; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i64> [[TMP0]], i32 219; CHECK-NEXT: [[TMP4:%.*]] = extractelement <4 x i64> [[TMP0]], i32 320; CHECK-NEXT: [[TMP5:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP1]]21; CHECK-NEXT: [[TMP6:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP2]]22; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP3]]23; CHECK-NEXT: [[TMP8:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP4]]24; CHECK-NEXT: store i8 0, ptr [[TMP5]], align 125; CHECK-NEXT: store i8 0, ptr [[TMP6]], align 126; CHECK-NEXT: store i8 0, ptr [[TMP7]], align 127; CHECK-NEXT: store i8 0, ptr [[TMP8]], align 128; CHECK-NEXT: [[TMP9:%.*]] = sext <4 x i32> [[VEC_IND1]] to <4 x i64>29; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i64> [[TMP9]], i32 030; CHECK-NEXT: [[TMP11:%.*]] = extractelement <4 x i64> [[TMP9]], i32 131; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i64> [[TMP9]], i32 232; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i64> [[TMP9]], i32 333; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP10]]34; CHECK-NEXT: [[TMP15:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP11]]35; CHECK-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP12]]36; CHECK-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[Q]], i64 [[TMP13]]37; CHECK-NEXT: store i8 0, ptr [[TMP14]], align 138; CHECK-NEXT: store i8 0, ptr [[TMP15]], align 139; CHECK-NEXT: store i8 0, ptr [[TMP16]], align 140; CHECK-NEXT: store i8 0, ptr [[TMP17]], align 141; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 442; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], splat (i32 12)43; CHECK-NEXT: [[VEC_IND_NEXT2]] = add <4 x i32> [[VEC_IND1]], splat (i32 12)44; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 102445; CHECK-NEXT: br i1 [[TMP18]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]46; CHECK: [[MIDDLE_BLOCK]]:47; CHECK-NEXT: br label %[[SCALAR_PH:.*]]48; CHECK: [[SCALAR_PH]]:49;50entry:51 br label %loop52 53loop:54 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]55 %ind.1 = phi i32 [ 3, %entry ], [ %ind.1.next, %loop ]56 %ind.2 = phi i32 [ 0, %entry ], [ %ind.1, %loop ]57 %sext.1 = sext i32 %ind.1 to i6458 %gep.1 = getelementptr i8, ptr %p, i64 %sext.159 store i8 0, ptr %gep.160 %sext.2 = sext i32 %ind.2 to i6461 %gep.2 = getelementptr i8, ptr %q, i64 %sext.262 store i8 0, ptr %gep.263 %iv.next = add i64 %iv, 164 %ind.1.next = add i32 %ind.1, 365 %ec = icmp eq i64 %iv, 102466 br i1 %ec, label %exit, label %loop67 68exit:69 ret void70}71 72define i32 @induction_trunc_wrapflags(ptr %p) {73; CHECK-LABEL: define i32 @induction_trunc_wrapflags(74; CHECK-SAME: ptr [[P:%.*]]) {75; CHECK-NEXT: [[ENTRY:.*:]]76; CHECK-NEXT: br label %[[VECTOR_PH:.*]]77; CHECK: [[VECTOR_PH]]:78; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]79; CHECK: [[VECTOR_BODY]]:80; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]81; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ <i8 -72, i8 -68, i8 -64, i8 -60>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ]82; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i64 326, [[INDEX]]83; CHECK-NEXT: [[TMP0:%.*]] = getelementptr i8, ptr [[P]], i64 [[OFFSET_IDX]]84; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i64 085; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP1]], i64 -386; CHECK-NEXT: [[REVERSE:%.*]] = shufflevector <4 x i8> [[VEC_IND]], <4 x i8> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>87; CHECK-NEXT: store <4 x i8> [[REVERSE]], ptr [[TMP2]], align 188; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 489; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], splat (i8 16)90; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 32491; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]92; CHECK: [[MIDDLE_BLOCK]]:93; CHECK-NEXT: br label %[[SCALAR_PH:.*]]94; CHECK: [[SCALAR_PH]]:95;96entry:97 br label %loop98 99loop:100 %iv = phi i64 [ 326, %entry ], [ %iv.next, %loop ]101 %ind = phi i64 [ -72, %entry ], [ %ind.next, %loop ]102 %trunc = trunc i64 %ind to i8103 %gep.p.iv = getelementptr i8, ptr %p, i64 %iv104 store i8 %trunc, ptr %gep.p.iv, align 1105 %ind.next = add nsw i64 %ind, 4106 %iv.next = add i64 %iv, -1107 %ec = icmp eq i64 %iv, 0108 br i1 %ec, label %exit, label %loop109 110exit:111 ret i32 0112}113