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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt < %s -S -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 | FileCheck %s3 4; Check that we can vectorize this loop without crashing.5 6define i8 @widget(ptr %arr, i8 %t9) {7; CHECK-LABEL: @widget(8; CHECK-NEXT: bb:9; CHECK-NEXT: [[ARR1:%.*]] = ptrtoint ptr [[ARR:%.*]] to i6410; CHECK-NEXT: br label [[BB6:%.*]]11; CHECK: bb6:12; CHECK-NEXT: [[T1_0:%.*]] = phi ptr [ [[ARR]], [[BB:%.*]] ], [ null, [[BB6]] ]13; CHECK-NEXT: [[T1_0_LCSSA2:%.*]] = ptrtoint ptr [[T1_0]] to i6414; CHECK-NEXT: [[C:%.*]] = call i1 @cond()15; CHECK-NEXT: br i1 [[C]], label [[FOR_PREHEADER:%.*]], label [[BB6]]16; CHECK: for.preheader:17; CHECK-NEXT: [[T1_0_LCSSA1:%.*]] = phi ptr [ [[T1_0]], [[BB6]] ]18; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[ARR1]] to i3219; CHECK-NEXT: [[TMP1:%.*]] = sub i32 0, [[TMP0]]20; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[T1_0_LCSSA2]] to i3221; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1]], [[TMP2]]22; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP3]], 423; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]24; CHECK: vector.scevcheck:25; CHECK-NEXT: [[TMP4:%.*]] = sub i64 -1, [[ARR1]]26; CHECK-NEXT: [[TMP5:%.*]] = add i64 [[TMP4]], [[T1_0_LCSSA2]]27; CHECK-NEXT: [[TMP6:%.*]] = trunc i64 [[TMP5]] to i828; CHECK-NEXT: [[TMP7:%.*]] = add i8 1, [[TMP6]]29; CHECK-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], 130; CHECK-NEXT: [[TMP9:%.*]] = icmp ugt i64 [[TMP5]], 25531; CHECK-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]32; CHECK-NEXT: br i1 [[TMP10]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]33; CHECK: vector.ph:34; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP3]], 435; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP3]], [[N_MOD_VF]]36; CHECK-NEXT: [[IND_END:%.*]] = trunc i32 [[N_VEC]] to i837; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i8> poison, i8 [[T9:%.*]], i64 038; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT]], <4 x i8> poison, <4 x i32> zeroinitializer39; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]40; CHECK: vector.body:41; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]42; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i8> [ <i8 0, i8 1, i8 2, i8 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]43; CHECK-NEXT: [[TMP11:%.*]] = add <4 x i8> [[VEC_IND]], splat (i8 1)44; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i8> [[TMP11]], i32 045; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i8, ptr [[ARR]], i8 [[TMP12]]46; CHECK-NEXT: [[TMP14:%.*]] = icmp slt <4 x i8> [[TMP11]], [[BROADCAST_SPLAT]]47; CHECK-NEXT: [[TMP15:%.*]] = zext <4 x i1> [[TMP14]] to <4 x i8>48; CHECK-NEXT: store <4 x i8> [[TMP15]], ptr [[TMP13]], align 149; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 450; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i8> [[VEC_IND]], splat (i8 4)51; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]52; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]53; CHECK: middle.block:54; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]55; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_EXIT:%.*]], label [[SCALAR_PH]]56; CHECK: scalar.ph:57; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]58; CHECK-NEXT: br label [[FOR_BODY:%.*]]59; CHECK: for.body:60; CHECK-NEXT: [[IV:%.*]] = phi i8 [ [[IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]61; CHECK-NEXT: [[IV_NEXT]] = add i8 [[IV]], 162; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds i8, ptr [[ARR]], i8 [[IV_NEXT]]63; CHECK-NEXT: [[T3_I:%.*]] = icmp slt i8 [[IV_NEXT]], [[T9]]64; CHECK-NEXT: [[T3_I8:%.*]] = zext i1 [[T3_I]] to i865; CHECK-NEXT: store i8 [[T3_I8]], ptr [[PTR]], align 166; CHECK-NEXT: [[EC:%.*]] = icmp eq ptr [[T1_0_LCSSA1]], [[PTR]]67; CHECK-NEXT: br i1 [[EC]], label [[FOR_EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]68; CHECK: for.exit:69; CHECK-NEXT: [[IV_NEXT_LCSSA:%.*]] = phi i8 [ [[IV_NEXT]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ]70; CHECK-NEXT: ret i8 [[IV_NEXT_LCSSA]]71;72bb:73 br label %bb674 75bb6:76 %t1.0 = phi ptr [ %arr, %bb ], [ null, %bb6 ]77 %c = call i1 @cond()78 br i1 %c, label %for.preheader, label %bb679 80for.preheader:81 br label %for.body82 83for.body:84 %iv = phi i8 [ %iv.next, %for.body ], [ 0, %for.preheader ]85 %iv.next = add i8 %iv, 186 %ptr = getelementptr inbounds i8, ptr %arr, i8 %iv.next87 %t3.i = icmp slt i8 %iv.next, %t988 %t3.i8 = zext i1 %t3.i to i889 store i8 %t3.i8, ptr %ptr90 %ec = icmp eq ptr %t1.0, %ptr91 br i1 %ec, label %for.exit, label %for.body92 93for.exit:94 %iv.next.lcssa = phi i8 [ %iv.next, %for.body ]95 ret i8 %iv.next.lcssa96}97 98declare i1 @cond()99