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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -O3 < %s | FileCheck %s3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"5target triple = "x86_64-unknown-linux-gnu"6 7declare void @use(i8)8 9define i16 @test(ptr %ptr) {10; CHECK-LABEL: @test(11; CHECK-NEXT: entry:12; CHECK-NEXT: [[FIRST:%.*]] = load i8, ptr [[PTR:%.*]], align 113; CHECK-NEXT: tail call void @use(i8 [[FIRST]]) #[[ATTR2:[0-9]+]]14; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]15; CHECK: vector.body:16; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]17; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <8 x i16> [ zeroinitializer, [[ENTRY]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]18; CHECK-NEXT: [[VEC_PHI1:%.*]] = phi <8 x i16> [ zeroinitializer, [[ENTRY]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]19; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds nuw i8, ptr [[PTR]], i64 [[INDEX]]20; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds nuw i8, ptr [[TMP0]], i64 821; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i8>, ptr [[TMP0]], align 122; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <8 x i8>, ptr [[TMP1]], align 123; CHECK-NEXT: [[TMP2:%.*]] = zext <8 x i8> [[WIDE_LOAD]] to <8 x i16>24; CHECK-NEXT: [[TMP3:%.*]] = zext <8 x i8> [[WIDE_LOAD2]] to <8 x i16>25; CHECK-NEXT: [[TMP4]] = add <8 x i16> [[VEC_PHI]], [[TMP2]]26; CHECK-NEXT: [[TMP5]] = add <8 x i16> [[VEC_PHI1]], [[TMP3]]27; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 1628; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 102429; CHECK-NEXT: br i1 [[TMP6]], label [[EXIT:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]30; CHECK: exit:31; CHECK-NEXT: [[BIN_RDX:%.*]] = add <8 x i16> [[TMP5]], [[TMP4]]32; CHECK-NEXT: [[TMP7:%.*]] = tail call i16 @llvm.vector.reduce.add.v8i16(<8 x i16> [[BIN_RDX]])33; CHECK-NEXT: ret i16 [[TMP7]]34;35entry:36 %first = load i8, ptr %ptr37 call void @use(i8 %first) readonly38 br label %loop39 40loop:41 %accum = phi i16 [ 0, %entry ], [ %accum.next, %loop ]42 %iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]43 %gep = getelementptr inbounds i8, ptr %ptr, i64 %iv44 %val = load i8, ptr %gep, align 145 %iv.next = add nuw i64 %iv, 146 %val.ext = zext i8 %val to i1647 %accum.next = add i16 %accum, %val.ext48 %exit.cond = icmp eq i64 %iv.next, 102449 br i1 %exit.cond, label %exit, label %loop50 51exit:52 %lcssa.phi = phi i16 [ %accum.next, %loop ]53 ret i16 %lcssa.phi54}55