[llvm] [CodeGen] Add -force-emit-call-site-info LLVM flag (PR #206668)

[Matt Arsenault via llvm-commits]

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@@ -65,3 +71,7 @@ bool TargetOptions::ShouldEmitDebugEntryValues() const {
   return (SupportsDebugEntryValues && DebuggerTuning != DebuggerKind::SCE) ||
          EnableDebugEntryValues;
 }
+
+bool TargetOptions::ShouldEmitCallSiteInfo() const {
+  return EmitCallSiteInfo || ForceEmitCallSiteInfo;
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arsenm wrote:

Don't see why this needs a new field instead of just writing the existing one 

https://github.com/llvm/llvm-project/pull/206668