[llvm-commits] [llvm] r150623 - in /llvm/trunk: include/llvm/Module.h lib/VMCore/Module.cpp

[Bill Wendling]

Author: void
Date: Wed Feb 15 16:34:20 2012
New Revision: 150623

URL: http://llvm.org/viewvc/llvm-project?rev=150623&view=rev
Log:
Add a module flags accessor method which returns the flags in a vector.

Modified:
    llvm/trunk/include/llvm/Module.h
    llvm/trunk/lib/VMCore/Module.cpp

Modified: llvm/trunk/include/llvm/Module.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Module.h?rev=150623&r1=150622&r2=150623&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Module.h (original)
+++ llvm/trunk/include/llvm/Module.h Wed Feb 15 16:34:20 2012
@@ -179,6 +179,14 @@
   ///                   values.
   enum ModAttrBehavior { Error = 1, Warning  = 2, Require = 3, Override = 4 };
 
+  struct ModuleFlagEntry {
+    unsigned Behavior;
+    MDString *Key;
+    Value *Val;
+    ModuleFlagEntry(unsigned B, MDString *K, Value *V)
+      : Behavior(B), Key(K), Val(V) {}
+  };
+
 /// @}
 /// @name Member Variables
 /// @{
@@ -401,6 +409,9 @@
 /// @name Module Flags Accessors
 /// @{
 
+  /// getModuleFlagsMetadata - Returns the module flags in the provided vector.
+  void getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const;
+
   /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
   /// represents module-level flags. This method returns null if there are no
   /// module-level flags.

Modified: llvm/trunk/lib/VMCore/Module.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Module.cpp?rev=150623&r1=150622&r2=150623&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Module.cpp (original)
+++ llvm/trunk/lib/VMCore/Module.cpp Wed Feb 15 16:34:20 2012
@@ -328,6 +328,21 @@
   NamedMDList.erase(NMD);
 }
 
+/// getModuleFlagsMetadata - Returns the module flags in the provided vector.
+void Module::
+getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const {
+  const NamedMDNode *ModFlags = getModuleFlagsMetadata();
+  if (!ModFlags) return;
+
+  for (unsigned i = 0, e = ModFlags->getNumOperands(); i != e; ++i) {
+    MDNode *Flag = ModFlags->getOperand(i);
+    ConstantInt *Behavior = cast<ConstantInt>(Flag->getOperand(0));
+    MDString *Key = cast<MDString>(Flag->getOperand(1));
+    Value *Val = Flag->getOperand(2);
+    Flags.push_back(ModuleFlagEntry(Behavior->getZExtValue(), Key, Val));
+  }
+}
+
 /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
 /// represents module-level flags. This method returns null if there are no
 /// module-level flags.