diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/InlineSpiller.cpp | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/contrib/llvm/lib/CodeGen/InlineSpiller.cpp b/contrib/llvm/lib/CodeGen/InlineSpiller.cpp index c6d1a18..35295fe 100644 --- a/contrib/llvm/lib/CodeGen/InlineSpiller.cpp +++ b/contrib/llvm/lib/CodeGen/InlineSpiller.cpp @@ -955,18 +955,21 @@ void InlineSpiller::reMaterializeAll() { Edit->eliminateDeadDefs(DeadDefs, RegsToSpill); // Get rid of deleted and empty intervals. - for (unsigned i = RegsToSpill.size(); i != 0; --i) { - unsigned Reg = RegsToSpill[i-1]; - if (!LIS.hasInterval(Reg)) { - RegsToSpill.erase(RegsToSpill.begin() + (i - 1)); + unsigned ResultPos = 0; + for (unsigned i = 0, e = RegsToSpill.size(); i != e; ++i) { + unsigned Reg = RegsToSpill[i]; + if (!LIS.hasInterval(Reg)) continue; - } + LiveInterval &LI = LIS.getInterval(Reg); - if (!LI.empty()) + if (LI.empty()) { + Edit->eraseVirtReg(Reg); continue; - Edit->eraseVirtReg(Reg); - RegsToSpill.erase(RegsToSpill.begin() + (i - 1)); + } + + RegsToSpill[ResultPos++] = Reg; } + RegsToSpill.erase(RegsToSpill.begin() + ResultPos, RegsToSpill.end()); DEBUG(dbgs() << RegsToSpill.size() << " registers to spill after remat.\n"); } |
