[llvm] [AMDGPU] Switch to MF.estimateFunctionSizeInBytes() (PR #127246)

[Stanislav Mekhanoshin via llvm-commits]

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@@ -8978,7 +8978,7 @@ unsigned SIInstrInfo::getInstSizeInBytes(const MachineInstr &MI) const {
     return getInlineAsmLength(AsmStr, *MF->getTarget().getMCAsmInfo(), &ST);
   }
   default:
-    if (MI.isMetaInstruction())
+    if (MI.isMetaInstruction() || MI.isDebugInstr())
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rampitec wrote:

I am not sure downstream staging branch has adequate testing for this assumption.

https://github.com/llvm/llvm-project/pull/127246