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Add a module flags accessor method which returns the flags in a vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150623 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -179,6 +179,14 @@ public:
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/// values.
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enum ModAttrBehavior { Error = 1, Warning = 2, Require = 3, Override = 4 };
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struct ModuleFlagEntry {
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unsigned Behavior;
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MDString *Key;
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Value *Val;
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ModuleFlagEntry(unsigned B, MDString *K, Value *V)
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: Behavior(B), Key(K), Val(V) {}
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};
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/// @}
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/// @name Member Variables
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/// @{
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@ -401,6 +409,9 @@ public:
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/// @name Module Flags Accessors
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/// @{
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/// getModuleFlagsMetadata - Returns the module flags in the provided vector.
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void getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const;
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/// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
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/// represents module-level flags. This method returns null if there are no
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/// module-level flags.
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@ -328,6 +328,21 @@ void Module::eraseNamedMetadata(NamedMDNode *NMD) {
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NamedMDList.erase(NMD);
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}
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/// getModuleFlagsMetadata - Returns the module flags in the provided vector.
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void Module::
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getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const {
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const NamedMDNode *ModFlags = getModuleFlagsMetadata();
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if (!ModFlags) return;
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for (unsigned i = 0, e = ModFlags->getNumOperands(); i != e; ++i) {
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MDNode *Flag = ModFlags->getOperand(i);
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ConstantInt *Behavior = cast<ConstantInt>(Flag->getOperand(0));
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MDString *Key = cast<MDString>(Flag->getOperand(1));
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Value *Val = Flag->getOperand(2);
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Flags.push_back(ModuleFlagEntry(Behavior->getZExtValue(), Key, Val));
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}
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}
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/// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
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/// represents module-level flags. This method returns null if there are no
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/// module-level flags.
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