X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineModuleInfo.h;h=acd6440eb358cb0adc8d68ac9cd383828d4816ca;hp=43b9f5203c50285e8db714044eacc3f0965219c0;hb=f7fc15ed79ddcb8cb26f00b61d32b757c62a24b3;hpb=e407ee0520400e5fa7316aed15caf788990de2af

diff --git a/include/llvm/CodeGen/MachineModuleInfo.h b/include/llvm/CodeGen/MachineModuleInfo.h
index 43b9f5203c5..acd6440eb35 100644
--- a/include/llvm/CodeGen/MachineModuleInfo.h
+++ b/include/llvm/CodeGen/MachineModuleInfo.h
@@ -161,6 +161,12 @@ class MachineModuleInfo : public ImmutablePass {
   bool CallsUnwindInit;
   bool HasEHFunclets;
 
+  // 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.
+
   /// DbgInfoAvailable - True if debugging information is available
   /// in this module.
   bool DbgInfoAvailable;
@@ -235,11 +241,6 @@ public:
   bool hasDebugInfo() const { return DbgInfoAvailable; }
   void setDebugInfoAvailability(bool avail) { DbgInfoAvailable = avail; }
 
-  // Returns true if we need to generate precise CFI. Currently
-  // this is equivalent to hasDebugInfo(), but if we ever implement
-  // async EH, it will require precise CFI as well.
-  bool usePreciseUnwindInfo() const { return hasDebugInfo(); }
-
   bool callsEHReturn() const { return CallsEHReturn; }
   void setCallsEHReturn(bool b) { CallsEHReturn = b; }