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author | Andreas Bolka <a@bolka.at> | 2009-08-08 00:21:49 +0000 |
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committer | Andreas Bolka <a@bolka.at> | 2009-08-08 00:21:49 +0000 |
commit | e2652f2cd3f3b34e87f57238dee5006c8f7d672e (patch) | |
tree | a3a49eff40b62b9feb9ec83bec74d5eaf5ab83f0 | |
parent | 2698cb6811276736a8e892e545609a9048a917fe (diff) | |
download | external_llvm-e2652f2cd3f3b34e87f57238dee5006c8f7d672e.zip external_llvm-e2652f2cd3f3b34e87f57238dee5006c8f7d672e.tar.gz external_llvm-e2652f2cd3f3b34e87f57238dee5006c8f7d672e.tar.bz2 |
Add another Strong-SIV testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78446 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/Analysis/LoopDependenceAnalysis/siv-strong.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Analysis/LoopDependenceAnalysis/siv-strong.ll b/test/Analysis/LoopDependenceAnalysis/siv-strong.ll index 3b9bba5..7b9296e 100644 --- a/test/Analysis/LoopDependenceAnalysis/siv-strong.ll +++ b/test/Analysis/LoopDependenceAnalysis/siv-strong.ll @@ -80,3 +80,31 @@ for.body: for.end: ret void } + +;; for (i = 0; i < 10; i++) +;; x[10*i+1] = x[10*i] + y[i] + +define void @f4(...) nounwind { +entry: + br label %for.body + +for.body: + %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] + %i.10 = mul i64 %i, 10 + %y.ld.addr = getelementptr [256 x i32]* @y, i64 0, i64 %i.10 + %x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10 + %i.10.1 = add i64 %i.10, 1 + %x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %i.10.1 + %x = load i32* %x.ld.addr ; 0 + %y = load i32* %y.ld.addr ; 1 + %r = add i32 %y, %x + store i32 %r, i32* %x.st.addr ; 2 +; CHECK: 0,2: dep +; CHECK: 1,2: ind + %i.next = add i64 %i, 1 + %exitcond = icmp eq i64 %i.next, 10 + br i1 %exitcond, label %for.end, label %for.body + +for.end: + ret void +} |