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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 52; RUN: opt < %s -mtriple=riscv64 -mattr=+v -p loop-vectorize -pass-remarks-analysis=loop-vectorize -S 2>&1 | FileCheck %s3 4; CHECK: remark: <unknown>:0:0: the cost-model indicates that interleaving is not beneficial5define float @s311(float %a_0, float %s311_sum) {6; CHECK-LABEL: define float @s311(7; CHECK-SAME: float [[A_0:%.*]], float [[S311_SUM:%.*]]) #[[ATTR0:[0-9]+]] {8; CHECK-NEXT: [[ENTRY:.*:]]9; CHECK-NEXT: br label %[[VECTOR_PH:.*]]10; CHECK: [[VECTOR_PH]]:11; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x float> poison, float [[A_0]], i64 012; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x float> [[BROADCAST_SPLATINSERT]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer13; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]14; CHECK: [[VECTOR_BODY]]:15; CHECK-NEXT: [[VEC_PHI:%.*]] = phi float [ [[S311_SUM]], %[[VECTOR_PH]] ], [ [[TMP6:%.*]], %[[VECTOR_BODY]] ]16; CHECK-NEXT: [[AVL:%.*]] = phi i32 [ 1200, %[[VECTOR_PH]] ], [ [[AVL_NEXT:%.*]], %[[VECTOR_BODY]] ]17; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.experimental.get.vector.length.i32(i32 [[AVL]], i32 4, i1 true)18; CHECK-NEXT: [[TMP6]] = call float @llvm.vp.reduce.fadd.nxv4f32(float [[VEC_PHI]], <vscale x 4 x float> [[BROADCAST_SPLAT]], <vscale x 4 x i1> splat (i1 true), i32 [[TMP9]])19; CHECK-NEXT: [[AVL_NEXT]] = sub nuw i32 [[AVL]], [[TMP9]]20; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i32 [[AVL_NEXT]], 021; CHECK-NEXT: br i1 [[TMP7]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]22; CHECK: [[MIDDLE_BLOCK]]:23; CHECK-NEXT: br label %[[EXIT:.*]]24; CHECK: [[EXIT]]:25; CHECK-NEXT: ret float [[TMP6]]26;27entry:28 br label %loop29 30loop:31 %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]32 %red = phi float [ %s311_sum, %entry ], [ %red.next, %loop ]33 %red.next = fadd float %a_0, %red34 %iv.next = add nuw nsw i32 %iv, 135 %exitcond = icmp eq i32 %iv.next, 120036 br i1 %exitcond, label %exit, label %loop37 38exit:39 %red.lcssa = phi float [ %red.next, %loop ]40 ret float %red.lcssa41}42;.43; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}44; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}45; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}46;.47