diff options
Diffstat (limited to 'llvm/lib/CodeGen/CalcSpillWeights.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CalcSpillWeights.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CalcSpillWeights.cpp b/llvm/lib/CodeGen/CalcSpillWeights.cpp index bf3882a6e34..0b0c176f686 100644 --- a/llvm/lib/CodeGen/CalcSpillWeights.cpp +++ b/llvm/lib/CodeGen/CalcSpillWeights.cpp @@ -100,6 +100,7 @@ VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) { MachineLoop *loop = nullptr; bool isExiting = false; float totalWeight = 0; + unsigned numInstr = 0; // Number of instructions using li SmallPtrSet<MachineInstr*, 8> visited; // Find the best physreg hint and the best virtreg hint. @@ -116,6 +117,7 @@ VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) { I = mri.reg_instr_begin(li.reg), E = mri.reg_instr_end(); I != E; ) { MachineInstr *mi = &*(I++); + numInstr++; if (mi->isIdentityCopy() || mi->isImplicitDef() || mi->isDebugValue()) continue; if (!visited.insert(mi)) @@ -189,5 +191,5 @@ VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) { if (isRematerializable(li, LIS, *MF.getSubtarget().getInstrInfo())) totalWeight *= 0.5F; - li.weight = normalize(totalWeight, li.getSize()); + li.weight = normalize(totalWeight, li.getSize(), numInstr); } |
