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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -mtriple=riscv64 -mattr=+v -passes=loop-vectorize -scalable-vectorization=off -force-vector-width=1 < %s | FileCheck %s3 4; Make sure we don't unroll scalar loops in the loop vectorizer.5;6define void @small_loop(ptr nocapture %inArray, i32 %size) nounwind {7; CHECK-LABEL: @small_loop(8; CHECK-NEXT: entry:9; CHECK-NEXT: [[TMP0:%.*]] = icmp sgt i32 [[SIZE:%.*]], 010; CHECK-NEXT: br i1 [[TMP0]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]11; CHECK: loop.preheader:12; CHECK-NEXT: br label [[LOOP:%.*]]13; CHECK: loop:14; CHECK-NEXT: [[IV:%.*]] = phi i32 [ [[IV1:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]15; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[INARRAY:%.*]], i32 [[IV]]16; CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[TMP1]], align 417; CHECK-NEXT: [[TMP3:%.*]] = add nsw i32 [[TMP2]], 618; CHECK-NEXT: store i32 [[TMP3]], ptr [[TMP1]], align 419; CHECK-NEXT: [[IV1]] = add i32 [[IV]], 120; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[IV1]], [[SIZE]]21; CHECK-NEXT: br i1 [[COND]], label [[EXIT_LOOPEXIT:%.*]], label [[LOOP]]22; CHECK: exit.loopexit:23; CHECK-NEXT: br label [[EXIT]]24; CHECK: exit:25; CHECK-NEXT: ret void26;27entry:28 %0 = icmp sgt i32 %size, 029 br i1 %0, label %loop, label %exit30 31loop: ; preds = %entry, %loop32 %iv = phi i32 [ %iv1, %loop ], [ 0, %entry ]33 %1 = getelementptr inbounds i32, ptr %inArray, i32 %iv34 %2 = load i32, ptr %1, align 435 %3 = add nsw i32 %2, 636 store i32 %3, ptr %1, align 437 %iv1 = add i32 %iv, 138 %cond = icmp eq i32 %iv1, %size39 br i1 %cond, label %exit, label %loop40 41exit: ; preds = %loop, %entry42 ret void43}44