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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-19 23:02:47 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-03-19 23:02:47 +0000 |
| commit | c1655e1a3c3a566b91b0513b56d61b58da1e36ba (patch) | |
| tree | a5549c60e008246b7a8c68022a7797cc7faed85c /lib/CodeGen/InlineSpiller.cpp | |
| parent | f6474f69d3c3298499a4767f445f928fb83cd4d3 (diff) | |
| download | llvm-c1655e1a3c3a566b91b0513b56d61b58da1e36ba.tar.gz llvm-c1655e1a3c3a566b91b0513b56d61b58da1e36ba.tar.bz2 llvm-c1655e1a3c3a566b91b0513b56d61b58da1e36ba.tar.xz | |
Add debug output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127959 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index ab9054c77f..7f7c15ea01 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -435,6 +435,8 @@ bool InlineSpiller::hoistSpill(LiveInterval &SpillLI, MachineInstr *CopyMI) { LiveInterval &OrigLI = LIS.getInterval(Original); VNInfo *OrigVNI = OrigLI.getVNInfoAt(Idx); StackInt.MergeValueInAsValue(OrigLI, OrigVNI, StackInt.getValNumInfo(0)); + DEBUG(dbgs() << "\tmerged orig valno " << OrigVNI->id << ": " + << StackInt << '\n'); // Already spilled everywhere. if (SVI.AllDefsAreReloads) @@ -480,6 +482,7 @@ void InlineSpiller::eliminateRedundantSpills(unsigned Reg, VNInfo *VNI) { // Add all of VNI's live range to StackInt. LiveInterval &LI = LIS.getInterval(Reg); StackInt.MergeValueInAsValue(LI, VNI, StackInt.getValNumInfo(0)); + DEBUG(dbgs() << "Merged to stack int: " << StackInt << '\n'); // Find all spills and copies of VNI. for (MachineRegisterInfo::use_nodbg_iterator UI = MRI.use_nodbg_begin(Reg); @@ -874,6 +877,7 @@ void InlineSpiller::spill(LiveRangeEdit &edit) { for (unsigned i = 0, e = RegsToSpill.size(); i != e; ++i) stacklvr.MergeRangesInAsValue(LIS.getInterval(RegsToSpill[i]), stacklvr.getValNumInfo(0)); + DEBUG(dbgs() << "Merged spilled regs: " << stacklvr << '\n'); // Spill around uses of all RegsToSpill. for (unsigned i = 0, e = RegsToSpill.size(); i != e; ++i) |