Move debug_frame comment

Author: arsenm

llvm/include/llvm/CodeGen/FunctionLoweringInfo.h

@@ -190,11 +190,6 @@ class FunctionLoweringInfo {
 
   /// 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.
 
   /// Collection of dbg.declare instructions handled after argument
   /// lowering and before ISel proper.

llvm/lib/CodeGen/MachineFunction.cpp

@@ -654,6 +654,11 @@ void MachineFunction::print(raw_ostream &OS, const SlotIndexes *Indexes) const {
 
 /// True if this function needs frame moves for debug or exceptions.
 bool MachineFunction::needsFrameMoves() const {
+  // 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.
   return getMMI().hasDebugInfo() ||
          getTarget().Options.ForceDwarfFrameSection ||
          F.needsUnwindTableEntry();