From f7ed82da1011dc74cfbac0a65b7295ca0d4473d3 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 19 Feb 2007 21:49:54 +0000 Subject: Re-apply my liveintervalanalysis changes. Now with PR1207 fixes. llvm-svn: 34428 --- llvm/lib/CodeGen/RegAllocLinearScan.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp') diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index bd44e81244e..3a1bfc25fe8 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/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) -- cgit v1.2.3