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Spillers may alter MachineLoopInfo when breaking critical edges, so make it

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non-const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108734 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-07-19 18:41:20 +00:00
parent 6ee32707f1
commit 9529a1c3dd
4 changed files with 15 additions and 12 deletions
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4
lib/CodeGen/RegAllocLinearScan.cpp
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@ -127,7 +127,7 @@ namespace {
BitVector allocatableRegs_;
LiveIntervals* li_;
LiveStacks* ls_;
const MachineLoopInfo *loopInfo;
MachineLoopInfo *loopInfo;
/// handled_ - Intervals are added to the handled_ set in the order of their
/// start value. This is uses for backtracking.
@ -799,7 +799,7 @@ static void addStackInterval(LiveInterval *cur, LiveStacks *ls_,
static
float getConflictWeight(LiveInterval *cur, unsigned Reg, LiveIntervals *li_,
MachineRegisterInfo *mri_,
const MachineLoopInfo *loopInfo) {
MachineLoopInfo *loopInfo) {
float Conflicts = 0;
for (MachineRegisterInfo::reg_iterator I = mri_->reg_begin(Reg),
E = mri_->reg_end(); I != E; ++I) {