[llvm] [Draft][AMDGPU] Rematerialize VGPR candidates when SGPR spills results in VGPR Excess (PR #168079)

[Juan Manuel Martinez Caamaño via llvm-commits]

================
@@ -406,15 +416,15 @@ bool GCNRPTarget::isSaveBeneficial(Register Reg) const {
   const TargetRegisterInfo *TRI = MRI.getTargetRegisterInfo();
   const SIRegisterInfo *SRI = static_cast<const SIRegisterInfo *>(TRI);
 
+  RegExcess Excess(MF, RP, MaxSGPRs, MaxVGPRs);
----------------
jmmartinez wrote:

Updated to match, also retested with the original code.

https://github.com/llvm/llvm-project/pull/168079