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| author | Bill Wendling <isanbard@gmail.com> | 2008-05-12 19:47:18 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-05-12 19:47:18 +0000 |
| commit | f3f3f03f813a2b8b9d6630ad079a39899e3816f8 (patch) | |
| tree | aac4e2c655944897c5daded897bf79c9a7aacdc5 /lib/CodeGen/MachineLICM.cpp | |
| parent | 9a1ce155ed514899f62701a7750e42eacfa3939f (diff) | |
| download | external_llvm-f3f3f03f813a2b8b9d6630ad079a39899e3816f8.zip external_llvm-f3f3f03f813a2b8b9d6630ad079a39899e3816f8.tar.gz external_llvm-f3f3f03f813a2b8b9d6630ad079a39899e3816f8.tar.bz2 | |
Revert the previous commit. Go ahead and hoist rematerializable instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50990 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineLICM.cpp')
| -rw-r--r-- | lib/CodeGen/MachineLICM.cpp | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp index 8295830..c2adb1e 100644 --- a/lib/CodeGen/MachineLICM.cpp +++ b/lib/CodeGen/MachineLICM.cpp @@ -297,10 +297,6 @@ bool MachineLICM::IsLoopInvariantInst(MachineInstr &I) { void MachineLICM::Hoist(MachineInstr &MI) { if (!IsLoopInvariantInst(MI)) return; - // Hoisting things that are trivially rematerializable may result in worse - // code than before. - if (TII->isTriviallyReMaterializable(&MI)) return; - std::vector<MachineBasicBlock*> Preds; // Non-back-edge predecessors. |