; RUN: opt -basic-aa -loop-distribute -S < %s | FileCheck %s ; ; Check that followup loop-attributes are applied to the loops after ; loop distribution. ; target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %a, i32* %b, i32* %c, i32* %d, i32* %e) { entry: br label %for.body for.body: %ind = phi i64 [ 0, %entry ], [ %add, %for.body ] %arrayidxA = getelementptr inbounds i32, i32* %a, i64 %ind %loadA = load i32, i32* %arrayidxA, align 4 %arrayidxB = getelementptr inbounds i32, i32* %b, i64 %ind %loadB = load i32, i32* %arrayidxB, align 4 %mulA = mul i32 %loadB, %loadA %add = add nuw nsw i64 %ind, 1 %arrayidxA_plus_4 = getelementptr inbounds i32, i32* %a, i64 %add store i32 %mulA, i32* %arrayidxA_plus_4, align 4 %arrayidxD = getelementptr inbounds i32, i32* %d, i64 %ind %loadD = load i32, i32* %arrayidxD, align 4 %arrayidxE = getelementptr inbounds i32, i32* %e, i64 %ind %loadE = load i32, i32* %arrayidxE, align 4 %mulC = mul i32 %loadD, %loadE %arrayidxC = getelementptr inbounds i32, i32* %c, i64 %ind store i32 %mulC, i32* %arrayidxC, align 4 %exitcond = icmp eq i64 %add, 20 br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0 for.end: ret void } !0 = distinct !{!0, !1, !2, !3, !4, !5} !1 = !{!"llvm.loop.distribute.enable", i1 true} !2 = !{!"llvm.loop.distribute.followup_all", !{!"FollowupAll"}} !3 = !{!"llvm.loop.distribute.followup_coincident", !{!"FollowupCoincident", i1 false}} !4 = !{!"llvm.loop.distribute.followup_sequential", !{!"FollowupSequential", i32 8}} !5 = !{!"llvm.loop.distribute.followup_fallback", !{!"FollowupFallback"}} ; CHECK-LABEL: for.body.lver.orig: ; CHECK: br i1 %exitcond.lver.orig, label %for.end.loopexit, label %for.body.lver.orig, !llvm.loop ![[LOOP_ORIG:[0-9]+]] ; CHECK-LABEL: for.body.ldist1: ; CHECK: br i1 %exitcond.ldist1, label %for.body.ph, label %for.body.ldist1, !llvm.loop ![[LOOP_SEQUENTIAL:[0-9]+]] ; CHECK-LABEL: for.body: ; CHECK: br i1 %exitcond, label %for.end.loopexit26, label %for.body, !llvm.loop ![[LOOP_COINCIDENT:[0-9]+]] ; CHECK-LABEL: for.end.loopexit: ; CHECK: br label %for.end ; CHECK-LABEL: for.end.loopexit26: ; CHECK: br label %for.end ; CHECK: ![[LOOP_ORIG]] = distinct !{![[LOOP_ORIG]], ![[FOLLOWUP_ALL:[0-9]+]], ![[FOLLOUP_FALLBACK:[0-9]+]]} ; CHECK: ![[FOLLOWUP_ALL]] = !{!"FollowupAll"} ; CHECK: ![[FOLLOUP_FALLBACK]] = !{!"FollowupFallback"} ; CHECK: ![[LOOP_SEQUENTIAL]] = distinct !{![[LOOP_SEQUENTIAL]], ![[FOLLOWUP_ALL]], ![[FOLLOWUP_SEQUENTIAL:[0-9]+]]} ; CHECK: ![[FOLLOWUP_SEQUENTIAL]] = !{!"FollowupSequential", i32 8} ; CHECK: ![[LOOP_COINCIDENT]] = distinct !{![[LOOP_COINCIDENT]], ![[FOLLOWUP_ALL]], ![[FOLLOWUP_COINCIDENT:[0-9]+]]} ; CHECK: ![[FOLLOWUP_COINCIDENT]] = !{!"FollowupCoincident", i1 false}