[llvm] [Statepoint] Optimize Location structure size (PR #78600)

[Danila Malyutin via llvm-commits]

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@@ -497,27 +513,6 @@ void StackMaps::recordStackMapOpers(const MCSymbol &MILabel,
     while (MOI != MOE)
       MOI = parseOperand(MOI, MOE, Locations, LiveOuts);
 
-  // Move large constants into the constant pool.
-  for (auto &Loc : Locations) {
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danilaml wrote:

Do this eagerly, that way we can reduce Offset size from 8 down to 4 bytes.

https://github.com/llvm/llvm-project/pull/78600