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| author | Evan Cheng <evan.cheng@apple.com> | 2007-02-19 21:49:54 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-02-19 21:49:54 +0000 |
| commit | b371f457b0ea4a652a9f526ba4375c80ae542252 (patch) | |
| tree | ec68e7096a3f2101af8713fb7cba5ac5cf354664 /lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | d1b2c5b34df35e0f582be44e0d7d2240a0b80812 (diff) | |
Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index bd44e81244..3a1bfc25fe 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -292,8 +292,9 @@ void RA::linearScan() } // A brute force way of adding live-ins to every BB. - for (MachineFunction::iterator MBB = mf_->begin(), E = mf_->end(); - MBB != E; ++MBB) { + MachineFunction::iterator MBB = mf_->begin(); + ++MBB; // Skip entry MBB. + for (MachineFunction::iterator E = mf_->end(); MBB != E; ++MBB) { unsigned StartIdx = li_->getMBBStartIdx(MBB->getNumber()); for (IntervalPtrs::iterator i = fixed_.begin(), e = fixed_.end(); i != e; ++i) |