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1; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S < %s | FileCheck %s2;3; Check that the followup loop attributes are applied.4;5target 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"6 7define void @followup(ptr nocapture %a, i32 %n) {8entry:9 %cmp4 = icmp sgt i32 %n, 010 br i1 %cmp4, label %for.body, label %for.end11 12for.body:13 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]14 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv15 %0 = trunc i64 %indvars.iv to i3216 store i32 %0, ptr %arrayidx, align 417 %indvars.iv.next = add i64 %indvars.iv, 118 %lftr.wideiv = trunc i64 %indvars.iv.next to i3219 %exitcond = icmp eq i32 %lftr.wideiv, %n20 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !021 22for.end:23 ret void24}25 26!0 = distinct !{!0, !3, !4, !5}27!3 = !{!"llvm.loop.vectorize.followup_vectorized", !{!"FollowupVectorized"}}28!4 = !{!"llvm.loop.vectorize.followup_epilogue", !{!"FollowupEpilogue"}}29!5 = !{!"llvm.loop.vectorize.followup_all", !{!"FollowupAll"}}30 31 32; CHECK-LABEL: @followup(33 34; CHECK-LABEL: vector.body:35; CHECK: br i1 %{{[0-9]*}}, label %middle.block, label %vector.body, !llvm.loop ![[LOOP_VECTOR:[0-9]+]]36; CHECK-LABEL: for.body:37; CHECK: br i1 %exitcond, label %for.end.loopexit, label %for.body, !llvm.loop ![[LOOP_EPILOGUE:[0-9]+]]38 39; CHECK: ![[LOOP_VECTOR]] = distinct !{![[LOOP_VECTOR]], ![[FOLLOWUP_ALL:[0-9]+]], ![[FOLLOWUP_VECTORIZED:[0-9]+]], ![[RT_UNROLL_DIS:[0-9]+]]}40; CHECK: ![[FOLLOWUP_ALL]] = !{!"FollowupAll"}41; CHECK: ![[FOLLOWUP_VECTORIZED:[0-9]+]] = !{!"FollowupVectorized"}42; CHECK: ![[RT_UNROLL_DIS]] = !{!"llvm.loop.unroll.runtime.disable"}43; CHECK: ![[LOOP_EPILOGUE]] = distinct !{![[LOOP_EPILOGUE]], ![[FOLLOWUP_ALL]], ![[FOLLOWUP_EPILOGUE:[0-9]+]]}44; CHECK: ![[FOLLOWUP_EPILOGUE]] = !{!"FollowupEpilogue"}45