[llvm] InstrProf: Mark BiasLI as invariant. (PR #95588)

[Ellis Hoag via llvm-commits]

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@@ -930,23 +930,8 @@ Value *InstrLowerer::getCounterAddress(InstrProfCntrInstBase *I) {
   LoadInst *&BiasLI = FunctionToProfileBiasMap[Fn];
   if (!BiasLI) {
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ellishg wrote:

I think as long as you don't rely on `Fn->getEntryBlock().front()` it should be fine.

https://github.com/llvm/llvm-project/pull/95588