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

[Daniel Paoliello via llvm-branch-commits]

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@@ -183,11 +183,28 @@ class FunctionLoweringInfo {
   std::vector<std::pair<MachineInstr*, unsigned> > PHINodesToUpdate;
   unsigned OrigNumPHINodesToUpdate;
 
+  /// \name Exception Handling
+  /// \{
+
   /// If the current MBB is a landing pad, the exception pointer and exception
   /// selector registers are copied into these virtual registers by
   /// 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.
+
+  /// Set the call site currently being processed.
+  void setCurrentCallSite(unsigned Site) { CurCallSite = Site; }
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dpaoliello wrote:

Please move these down next to the rest of the functions

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