[llvm] [AMDGPU] Defer emitting AMDGPUAsmPrinter local Resource Usage comments until the end (PR #198233)

[Janek van Oirschot via llvm-commits]

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@@ -941,129 +1065,11 @@ bool AMDGPUAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
   emitDVgprSymbol(MF);
 
   if (isVerbose()) {
-    MCSectionELF *CommentSection =
-        Context.getELFSection(".AMDGPU.csdata", ELF::SHT_PROGBITS, 0);
-    OutStreamer->switchSection(CommentSection);
+    DeferredComments.push_back({&MF.getFunction(), CurrentProgramInfo,
+                                CurrentProgramInfo.getFunctionCodeSize(MF)});
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JanekvO wrote:

What's the proper computed value? (AFAICT, the `local_end - function_name` computation doesn't resolve at asm time)

https://github.com/llvm/llvm-project/pull/198233