diff options
| author | Jakub Kuderski <kubakuderski@gmail.com> | 2017-07-01 00:23:01 +0000 |
|---|---|---|
| committer | Jakub Kuderski <kubakuderski@gmail.com> | 2017-07-01 00:23:01 +0000 |
| commit | 8915ae98bd0974ad069801391a510dbd70cc7c92 (patch) | |
| tree | 3fcc7f5005f3578899bd77274e1778ecb32a0275 /unittests | |
| parent | d5fcbff0e970e8f582334bf5163d6202bf9a91b0 (diff) | |
[Dominators] Reapply r306892, r306893, r306893.
This reverts commit r306907 and reapplies the patches in the title.
The patches used to make one of the
CodeGen/ARM/2011-02-07-AntidepClobber.ll test to fail because of a
missing null check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306919 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/IR/DominatorTreeTest.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/unittests/IR/DominatorTreeTest.cpp b/unittests/IR/DominatorTreeTest.cpp index 5d3ef30177ae..fa3dad8a2ab1 100644 --- a/unittests/IR/DominatorTreeTest.cpp +++ b/unittests/IR/DominatorTreeTest.cpp @@ -230,6 +230,12 @@ TEST(DominatorTree, Unreachable) { EXPECT_EQ(DT->getNode(BB4)->getDFSNumIn(), 3UL); EXPECT_EQ(DT->getNode(BB4)->getDFSNumOut(), 4UL); + // Check levels before + EXPECT_EQ(DT->getNode(BB0)->getLevel(), 0U); + EXPECT_EQ(DT->getNode(BB1)->getLevel(), 1U); + EXPECT_EQ(DT->getNode(BB2)->getLevel(), 1U); + EXPECT_EQ(DT->getNode(BB4)->getLevel(), 1U); + // Reattach block 3 to block 1 and recalculate BB1->getTerminator()->eraseFromParent(); BranchInst::Create(BB4, BB3, ConstantInt::getTrue(F.getContext()), BB1); @@ -248,6 +254,13 @@ TEST(DominatorTree, Unreachable) { EXPECT_EQ(DT->getNode(BB4)->getDFSNumIn(), 5UL); EXPECT_EQ(DT->getNode(BB4)->getDFSNumOut(), 6UL); + // Check levels after + EXPECT_EQ(DT->getNode(BB0)->getLevel(), 0U); + EXPECT_EQ(DT->getNode(BB1)->getLevel(), 1U); + EXPECT_EQ(DT->getNode(BB2)->getLevel(), 1U); + EXPECT_EQ(DT->getNode(BB3)->getLevel(), 2U); + EXPECT_EQ(DT->getNode(BB4)->getLevel(), 1U); + // Change root node DT->verifyDomTree(); BasicBlock *NewEntry = |