1; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -S < %s | FileCheck %s 2; 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, 0 10 br i1 %cmp4, label %for.body, label %for.end 11 12for.body: 13 %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ] 14 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv 15 %0 = trunc i64 %indvars.iv to i32 16 store i32 %0, ptr %arrayidx, align 4 17 %indvars.iv.next = add i64 %indvars.iv, 1 18 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 19 %exitcond = icmp eq i32 %lftr.wideiv, %n 20 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 21 22for.end: 23 ret void 24} 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