[llvm-branch-commits] [llvm] CodeGen: Move current call site out of MachineModuleInfo (PR #100369)

[Sergei Barannikov via llvm-branch-commits]

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@@ -188,6 +188,14 @@ class FunctionLoweringInfo {
   /// SelectionDAGISel::PrepareEHLandingPad().
   unsigned ExceptionPointerVirtReg, ExceptionSelectorVirtReg;
 
+  /// The current call site index being processed, if any. 0 if none.
+  unsigned CurCallSite = 0;
+  // TODO: Ideally, what we'd like is to have a switch that allows emitting
+  // synchronous (precise at call-sites only) CFA into .eh_frame. However,
+  // even under this switch, we'd like .debug_frame to be precise when using
+  // -g. At this moment, there's no way to specify that some CFI directives
+  // go into .eh_frame only, while others go into .debug_frame only.
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s-barannikov wrote:

This comment should be somewhere else wherether the "switch" it refers to should be added.
Somewhere near MF.needsFrameMoves, probably?


https://github.com/llvm/llvm-project/pull/100369