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Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-19 21:49:54 +00:00
parent d1b2c5b34d
commit b371f457b0
23 changed files with 334 additions and 104 deletions
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lib/CodeGen/RegAllocLinearScan.cpp
+3 -2
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@@ -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)