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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; REQUIRES: asserts3; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -disable-output -debug-only=loop-vectorize 2>&1 | FileCheck %s --check-prefix=COST4; RUN: opt < %s -passes=loop-vectorize,instcombine,simplifycfg -force-vector-interleave=1 -force-vector-width=2 -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s5 6target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"7target triple = "aarch64--linux-gnu"8 9; This test checks that we correctly compute the scalarized operands for a10; user-specified vectorization factor when interleaving is disabled. We use11; -force-vector-interleave=1 to disable all interleaving calculations. A cost of12; 4 for %var4 indicates that we would scalarize it's operand (%var3), giving13; %var4 a lower scalarization overhead.14;15; COST-LABEL: predicated_udiv_scalarized_operand16; COST: Cost of 5 for VF 2: profitable to scalarize %var4 = udiv i64 %var2, %var317;18;19define i64 @predicated_udiv_scalarized_operand(ptr %a, i64 %x) {20; CHECK-LABEL: @predicated_udiv_scalarized_operand(21; CHECK-NEXT: entry:22; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]23; CHECK: vector.body:24; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE2:%.*]] ]25; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[ENTRY]] ], [ [[TMP17:%.*]], [[PRED_UDIV_CONTINUE2]] ]26; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[INDEX]]27; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP0]], align 428; CHECK-NEXT: [[TMP2:%.*]] = icmp sgt <2 x i64> [[WIDE_LOAD]], zeroinitializer29; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i1> [[TMP2]], i64 030; CHECK-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]31; CHECK: pred.udiv.if:32; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i64 033; CHECK-NEXT: [[TMP5:%.*]] = add nsw i64 [[TMP4]], [[X:%.*]]34; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i64 035; CHECK-NEXT: [[TMP7:%.*]] = udiv i64 [[TMP6]], [[TMP5]]36; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i64> poison, i64 [[TMP7]], i64 037; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE]]38; CHECK: pred.udiv.continue:39; CHECK-NEXT: [[TMP9:%.*]] = phi <2 x i64> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]40; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i1> [[TMP2]], i64 141; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_UDIV_IF1:%.*]], label [[PRED_UDIV_CONTINUE2]]42; CHECK: pred.udiv.if1:43; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i64 144; CHECK-NEXT: [[TMP12:%.*]] = add nsw i64 [[TMP11]], [[X]]45; CHECK-NEXT: [[TMP13:%.*]] = extractelement <2 x i64> [[WIDE_LOAD]], i64 146; CHECK-NEXT: [[TMP14:%.*]] = udiv i64 [[TMP13]], [[TMP12]]47; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x i64> [[TMP9]], i64 [[TMP14]], i64 148; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE2]]49; CHECK: pred.udiv.continue2:50; CHECK-NEXT: [[TMP16:%.*]] = phi <2 x i64> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP15]], [[PRED_UDIV_IF1]] ]51; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i64> [[TMP16]], <2 x i64> [[WIDE_LOAD]]52; CHECK-NEXT: [[TMP17]] = add <2 x i64> [[VEC_PHI]], [[PREDPHI]]53; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 254; CHECK-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10055; CHECK-NEXT: br i1 [[TMP18]], label [[FOR_END:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]56; CHECK: for.end:57; CHECK-NEXT: [[TMP19:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[TMP17]])58; CHECK-NEXT: ret i64 [[TMP19]]59;60entry:61 br label %for.body62 63for.body:64 %i = phi i64 [ 0, %entry ], [ %i.next, %for.inc ]65 %r = phi i64 [ 0, %entry ], [ %var6, %for.inc ]66 %var0 = getelementptr inbounds i64, ptr %a, i64 %i67 %var2 = load i64, ptr %var0, align 468 %cond0 = icmp sgt i64 %var2, 069 br i1 %cond0, label %if.then, label %for.inc70 71if.then:72 %var3 = add nsw i64 %var2, %x73 %var4 = udiv i64 %var2, %var374 br label %for.inc75 76for.inc:77 %var5 = phi i64 [ %var2, %for.body ], [ %var4, %if.then]78 %var6 = add i64 %r, %var579 %i.next = add nuw nsw i64 %i, 180 %cond1 = icmp slt i64 %i.next, 10081 br i1 %cond1, label %for.body, label %for.end82 83for.end:84 %var7 = phi i64 [ %var6, %for.inc ]85 ret i64 %var786}87