diff options
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) |