Add some comments explaining what MVT and EVT are, and how they differ.

[oota-llvm.git] / include / llvm / CodeGen / MachineModuleInfo.h

diff --git a/include/llvm/CodeGen/MachineModuleInfo.h b/include/llvm/CodeGen/MachineModuleInfo.h
index c0890f469b5816084f9fe0171de12ce948ea09b5..43405c0937642cdfb088064805ac252f1f6b25e1 100644 (file)
--- a/include/llvm/CodeGen/MachineModuleInfo.h
+++ b/include/llvm/CodeGen/MachineModuleInfo.h
@@ -157,6 +157,10 @@ class MachineModuleInfo : public ImmutablePass {
   /// in this module.
   bool DbgInfoAvailable;
 
+  /// True if this module calls VarArg function with floating point arguments.
+  /// This is used to emit an undefined reference to fltused on Windows targets.
+  bool CallsExternalVAFunctionWithFloatingPointArguments;
+
 public:
   static char ID; // Pass identification, replacement for typeid
 
@@ -211,7 +215,15 @@ public:
 
   bool callsUnwindInit() const { return CallsUnwindInit; }
   void setCallsUnwindInit(bool b) { CallsUnwindInit = b; }
-  
+
+  bool callsExternalVAFunctionWithFloatingPointArguments() const {
+    return CallsExternalVAFunctionWithFloatingPointArguments;
+  }
+
+  void setCallsExternalVAFunctionWithFloatingPointArguments(bool b) {
+    CallsExternalVAFunctionWithFloatingPointArguments = b;
+  }
+
   /// getFrameMoves - Returns a reference to a list of moves done in the current
   /// function's prologue.  Used to construct frame maps for debug and exception
   /// handling comsumers.