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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-02-20 18:05:56 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-02-20 18:05:56 +0000 |
| commit | eff5e69c82096812acec0c5c6f135c755a1632d2 (patch) | |
| tree | ad9208ed21083a5f3b7987a2982a1771322da387 /unittests/Transforms/Utils/Local.cpp | |
| parent | cd6c93ec48937ab4f76dfd3bf5dc7e68ed781508 (diff) | |
| download | external_llvm-eff5e69c82096812acec0c5c6f135c755a1632d2.zip external_llvm-eff5e69c82096812acec0c5c6f135c755a1632d2.tar.gz external_llvm-eff5e69c82096812acec0c5c6f135c755a1632d2.tar.bz2 | |
Make RecursivelyDeleteDeadPHINode delete a phi node that has no users and add a
test for that. With this change, test/CodeGen/X86/codegen-dce.ll no longer finds
any instructions to DCE, so delete the test.
Also renamed J and JP to I and IP in RecursivelyDeleteDeadPHINode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126088 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/Transforms/Utils/Local.cpp')
| -rw-r--r-- | unittests/Transforms/Utils/Local.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/unittests/Transforms/Utils/Local.cpp b/unittests/Transforms/Utils/Local.cpp index e969e95..2de09ad 100644 --- a/unittests/Transforms/Utils/Local.cpp +++ b/unittests/Transforms/Utils/Local.cpp @@ -42,6 +42,11 @@ TEST(Local, RecursivelyDeleteDeadPHINodes) { EXPECT_EQ(&bb0->front(), br0); EXPECT_EQ(&bb1->front(), br1); + builder.SetInsertPoint(bb0); + phi = builder.CreatePHI(Type::getInt32Ty(C)); + + EXPECT_TRUE(RecursivelyDeleteDeadPHINode(phi)); + bb0->dropAllReferences(); bb1->dropAllReferences(); delete bb0; |