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Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91273 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2009-12-14 06:49:42 +00:00
parent a59adc4015
commit a937f220e1
7 changed files with 199 additions and 114 deletions
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2
lib/CodeGen/RegAllocLinearScan.cpp
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@ -16,6 +16,7 @@
#include "VirtRegRewriter.h"
#include "Spiller.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/LiveStackAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
@ -187,6 +188,7 @@ namespace {
// Make sure PassManager knows which analyses to make available
// to coalescing and which analyses coalescing invalidates.
AU.addRequiredTransitive<RegisterCoalescer>();
AU.addRequired<CalculateSpillWeights>();
if (PreSplitIntervals)
AU.addRequiredID(PreAllocSplittingID);
AU.addRequired<LiveStacks>();