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| author | Evan Cheng <evan.cheng@apple.com> | 2009-07-16 20:15:00 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-07-16 20:15:00 +0000 |
| commit | 5f15992b77f178f633e414603a732279997ae1e2 (patch) | |
| tree | d9f14e78d32e96dffee47ed9229ae6b381e8dc66 /lib/CodeGen/LiveIntervalAnalysis.cpp | |
| parent | 914e50c841bbc248ab94144c11813b5785b1292d (diff) | |
Changed my mind. We now allow remat of instructions whose defs have subreg indices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76100 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index 873e58e5c7..d8f2089f31 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -1157,11 +1157,6 @@ bool LiveIntervals::isReMaterializable(const LiveInterval &li, if (DisableReMat) return false; - // FIXME: For now, avoid remating instructions whose definition has a subreg - // index. It's just incredibly difficult to get right. - if (MI->findRegisterDefOperand(li.reg)->getSubReg()) - return false; - if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF) return true; |