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| author | Evan Cheng <evan.cheng@apple.com> | 2009-10-09 06:21:52 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-10-09 06:21:52 +0000 |
| commit | 3dc326ba83c8fc9a47f1cb9968ff15ba73913ce8 (patch) | |
| tree | 0b3292567b32ebe775b5107d89bb71c4007938e7 /lib/CodeGen/MachineLICM.cpp | |
| parent | 6ee62f8126be50d4936c6b6278bb0efb3b581cd2 (diff) | |
Fix a logic error that caused non-rematable loop invariants loads to be licm'ed out of loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83622 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineLICM.cpp')
| -rw-r--r-- | lib/CodeGen/MachineLICM.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp index b5827aadcf..e60139cb92 100644 --- a/lib/CodeGen/MachineLICM.cpp +++ b/lib/CodeGen/MachineLICM.cpp @@ -326,8 +326,7 @@ bool MachineLICM::IsProfitableToHoist(MachineInstr &MI) { // FIXME: For now, only hoist re-materilizable instructions. LICM will // increase register pressure. We want to make sure it doesn't increase // spilling. - if (!TID.mayLoad() && (!TID.isRematerializable() || - !TII->isTriviallyReMaterializable(&MI))) + if (!TID.isRematerializable() || !TII->isTriviallyReMaterializable(&MI)) return false; // If result(s) of this instruction is used by PHIs, then don't hoist it. |