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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 | ccd4545ecbe9cc98c60b5b06d1c43ba72bd44f81 (patch) | |
| tree | f467134ede0990a0e083941301deac6f741cacd1 /llvm/lib/CodeGen | |
| parent | c9bf49dfeab5a53d55b58e2bf4a0c48b29cb286e (diff) | |
| download | bcm5719-llvm-ccd4545ecbe9cc98c60b5b06d1c43ba72bd44f81.tar.gz bcm5719-llvm-ccd4545ecbe9cc98c60b5b06d1c43ba72bd44f81.zip | |
Fix a logic error that caused non-rematable loop invariants loads to be licm'ed out of loop.
llvm-svn: 83622
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/MachineLICM.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp index b5827aadcf5..e60139cb923 100644 --- a/llvm/lib/CodeGen/MachineLICM.cpp +++ b/llvm/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. |
