6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-10-25 10:27:04 +00:00
Code Issues Projects Releases Wiki Activity

Refine stack slot interval weight computation.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-06-06 07:54:39 +00:00
parent b0a882f540
commit 9c3c221364
3 changed files with 64 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/llvm/CodeGen/LiveIntervalAnalysis.h
View File

@@ -283,10 +283,12 @@ namespace llvm {
}
/// addIntervalsForSpills - Create new intervals for spilled defs / uses of
/// the given interval.
/// the given interval. FIXME: It also returns the weight of the spill slot
/// (if any is created) by reference. This is temporary.
std::vector<LiveInterval*>
addIntervalsForSpills(const LiveInterval& i,
const MachineLoopInfo *loopInfo, VirtRegMap& vrm);
const MachineLoopInfo *loopInfo, VirtRegMap& vrm,
float &SSWeight);
/// spillPhysRegAroundRegDefsUses - Spill the specified physical register
/// around all defs and uses of the specified interval.
@@ -424,7 +426,7 @@ namespace llvm {
SmallVector<int, 4> &ReMatIds, const MachineLoopInfo *loopInfo,
unsigned &NewVReg, unsigned ImpUse, bool &HasDef, bool &HasUse,
std::map<unsigned,unsigned> &MBBVRegsMap,
std::vector<LiveInterval*> &NewLIs);
std::vector<LiveInterval*> &NewLIs, float &SSWeight);
void rewriteInstructionsForSpills(const LiveInterval &li, bool TrySplit,
LiveInterval::Ranges::const_iterator &I,
MachineInstr *OrigDefMI, MachineInstr *DefMI, unsigned Slot, int LdSlot,
@@ -436,7 +438,7 @@ namespace llvm {
BitVector &RestoreMBBs,
std::map<unsigned,std::vector<SRInfo> > &RestoreIdxes,
std::map<unsigned,unsigned> &MBBVRegsMap,
std::vector<LiveInterval*> &NewLIs);
std::vector<LiveInterval*> &NewLIs, float &SSWeight);
static LiveInterval createInterval(unsigned Reg);