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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 32; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"5 6@b = common global [2048 x i32] zeroinitializer, align 167@c = common global [2048 x i32] zeroinitializer, align 168@a = common global [2048 x i32] zeroinitializer, align 169 10define void @example1(i32 %n) nounwind uwtable ssp {11; CHECK-LABEL: define void @example1(12; CHECK-SAME: i32 [[N:%.*]]) #[[ATTR0:[0-9]+]] {13; CHECK-NEXT: entry:14; CHECK-NEXT: [[N4:%.*]] = shl i32 [[N]], 215; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[N4]], -416; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i6417; CHECK-NEXT: br label [[VECTOR_PH:%.*]]18; CHECK: vector.ph:19; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]20; CHECK: vector.body:21; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]22; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, ptr @b, i64 [[INDEX]]23; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, ptr [[TMP2]], align 424; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, ptr @c, i64 [[INDEX]]25; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, ptr [[TMP3]], align 426; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]27; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, ptr @a, i64 [[INDEX]]28; CHECK-NEXT: store <4 x i32> [[TMP4]], ptr [[TMP5]], align 429; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 430; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX]], [[TMP1]]31; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]32; CHECK: middle.block:33; CHECK-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH:%.*]]34; CHECK: scalar.ph:35; CHECK-NEXT: br label [[LOOP:%.*]]36; CHECK: loop:37; CHECK-NEXT: br i1 poison, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP3:![0-9]+]]38; CHECK: exit:39; CHECK-NEXT: ret void40;41entry:42 %n4 = shl i32 %n, 243 br label %loop44 45loop:46 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %loop ]47 %gep1 = getelementptr inbounds [2048 x i32], ptr @b, i64 0, i64 %indvars.iv48 %load1 = load i32, ptr %gep1, align 449 %gep2 = getelementptr inbounds [2048 x i32], ptr @c, i64 0, i64 %indvars.iv50 %load2 = load i32, ptr %gep2, align 451 %add = add nsw i32 %load2, %load152 %gep3 = getelementptr inbounds [2048 x i32], ptr @a, i64 0, i64 %indvars.iv53 store i32 %add, ptr %gep3, align 454 %indvars.iv.next = add i64 %indvars.iv, 155 %lftr.wideiv = trunc i64 %indvars.iv.next to i3256 %exitcond = icmp eq i32 %lftr.wideiv, %n457 br i1 %exitcond, label %exit, label %loop58 59exit:60 ret void61}62 63