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https://github.com/RPCS3/llvm-mirror.git
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67 lines
2.6 KiB
LLVM
67 lines
2.6 KiB
LLVM
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; RUN: opt -basicaa -loop-distribute -S < %s | FileCheck %s
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;
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; Check that followup loop-attributes are applied to the loops after
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; loop distribution.
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;
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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define void @f(i32* %a, i32* %b, i32* %c, i32* %d, i32* %e) {
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entry:
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br label %for.body
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for.body:
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%ind = phi i64 [ 0, %entry ], [ %add, %for.body ]
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%arrayidxA = getelementptr inbounds i32, i32* %a, i64 %ind
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%loadA = load i32, i32* %arrayidxA, align 4
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%arrayidxB = getelementptr inbounds i32, i32* %b, i64 %ind
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%loadB = load i32, i32* %arrayidxB, align 4
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%mulA = mul i32 %loadB, %loadA
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%add = add nuw nsw i64 %ind, 1
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%arrayidxA_plus_4 = getelementptr inbounds i32, i32* %a, i64 %add
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store i32 %mulA, i32* %arrayidxA_plus_4, align 4
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%arrayidxD = getelementptr inbounds i32, i32* %d, i64 %ind
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%loadD = load i32, i32* %arrayidxD, align 4
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%arrayidxE = getelementptr inbounds i32, i32* %e, i64 %ind
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%loadE = load i32, i32* %arrayidxE, align 4
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%mulC = mul i32 %loadD, %loadE
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%arrayidxC = getelementptr inbounds i32, i32* %c, i64 %ind
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store i32 %mulC, i32* %arrayidxC, align 4
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%exitcond = icmp eq i64 %add, 20
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br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !0
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for.end:
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ret void
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}
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!0 = distinct !{!0, !1, !2, !3, !4, !5}
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!1 = !{!"llvm.loop.distribute.enable", i1 true}
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!2 = !{!"llvm.loop.distribute.followup_all", !{!"FollowupAll"}}
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!3 = !{!"llvm.loop.distribute.followup_coincident", !{!"FollowupCoincident", i1 false}}
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!4 = !{!"llvm.loop.distribute.followup_sequential", !{!"FollowupSequential", i32 8}}
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!5 = !{!"llvm.loop.distribute.followup_fallback", !{!"FollowupFallback"}}
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; CHECK-LABEL: for.body.lver.orig:
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; CHECK: br i1 %exitcond.lver.orig, label %for.end, label %for.body.lver.orig, !llvm.loop ![[LOOP_ORIG:[0-9]+]]
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; CHECK-LABEL: for.body.ldist1:
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; CHECK: br i1 %exitcond.ldist1, label %for.body.ph, label %for.body.ldist1, !llvm.loop ![[LOOP_SEQUENTIAL:[0-9]+]]
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; CHECK-LABEL: for.body:
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; CHECK: br i1 %exitcond, label %for.end, label %for.body, !llvm.loop ![[LOOP_COINCIDENT:[0-9]+]]
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; CHECK: ![[LOOP_ORIG]] = distinct !{![[LOOP_ORIG]], ![[FOLLOWUP_ALL:[0-9]+]], ![[FOLLOUP_FALLBACK:[0-9]+]]}
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; CHECK: ![[FOLLOWUP_ALL]] = !{!"FollowupAll"}
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; CHECK: ![[FOLLOUP_FALLBACK]] = !{!"FollowupFallback"}
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; CHECK: ![[LOOP_SEQUENTIAL]] = distinct !{![[LOOP_SEQUENTIAL]], ![[FOLLOWUP_ALL]], ![[FOLLOWUP_SEQUENTIAL:[0-9]+]]}
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; CHECK: ![[FOLLOWUP_SEQUENTIAL]] = !{!"FollowupSequential", i32 8}
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; CHECK: ![[LOOP_COINCIDENT]] = distinct !{![[LOOP_COINCIDENT]], ![[FOLLOWUP_ALL]], ![[FOLLOWUP_COINCIDENT:[0-9]+]]}
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; CHECK: ![[FOLLOWUP_COINCIDENT]] = !{!"FollowupCoincident", i1 false}
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