[llvm] [RegAlloc][RISCV] Increase the spill weight by target factor (PR #113675)

[Pengcheng Wang via llvm-commits]

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@@ -803,6 +803,11 @@ RISCVRegisterInfo::getRegisterCostTableIndex(const MachineFunction &MF) const {
              : 0;
 }
 
+unsigned
+RISCVRegisterInfo::getSpillWeightFactor(const TargetRegisterClass *RC) const {
+  return getRegClassWeight(RC).RegWeight;
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wangpc-pp wrote:

You mean I should apply this change to all the targets (the shared part)?

https://github.com/llvm/llvm-project/pull/113675