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| author | Gil Rapaport <gil.rapaport@intel.com> | 2017-03-23 20:02:23 +0000 |
|---|---|---|
| committer | Gil Rapaport <gil.rapaport@intel.com> | 2017-03-23 20:02:23 +0000 |
| commit | 638d4538cdb0f9158aa3819c87106538977c3733 (patch) | |
| tree | 60216566a1ac0a68b201a47dcece993c331b958e | |
| parent | a8ce8fa700f614aa1975b8fd4ca39d2c63a5ea6e (diff) | |
| download | bcm5719-llvm-638d4538cdb0f9158aa3819c87106538977c3733.tar.gz bcm5719-llvm-638d4538cdb0f9158aa3819c87106538977c3733.zip | |
[LV] Add regression test for r297610
The new test asserts that scalarized memory operations get memcheck metadata
added even if the loop is only unrolled.
Differential Revision: https://reviews.llvm.org/D30972
llvm-svn: 298641
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/unroll-novec-memcheck-metadata.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/unroll-novec-memcheck-metadata.ll b/llvm/test/Transforms/LoopVectorize/unroll-novec-memcheck-metadata.ll new file mode 100644 index 00000000000..d3112b82d1d --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/unroll-novec-memcheck-metadata.ll @@ -0,0 +1,36 @@ +; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -S | FileCheck --enable-var-scope %s + +; Make sure we attach memcheck metadata to scalarized memory operations even if +; we're only unrolling. + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" + +; CHECK-LABEL: vector.memcheck: +; CHECK-LABEL: vector.body: +; CHECK: load i32, {{.*}} !alias.scope ![[$MD1:[0-9]+]] +; CHECK-LABEL: middle.block: +; CHECK-DAG: ![[$MD1]] = !{![[MD2:[0-9]+]]} +; CHECK-DAG: ![[MD2]] = distinct !{![[MD2]], ![[MD3:[0-9]+]]} +; CHECK-DAG: ![[MD3]] = distinct !{![[MD3]], !"LVerDomain"} + +; Function Attrs: norecurse nounwind uwtable +define void @test(i32* nocapture readonly %a, i32* nocapture %b) local_unnamed_addr #0 { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv + %0 = load i32, i32* %arrayidx, align 4 + %add = add nsw i32 %0, 77 + %arrayidx2 = getelementptr inbounds i32, i32* %b, i64 %indvars.iv + store i32 %add, i32* %arrayidx2, align 4 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, 10000 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret void +} + +attributes #0 = { norecurse nounwind uwtable } |
