[PPC64LE] Teach swap optimization about the doubleword splat idiom

[oota-llvm.git] / lib / IR / LLVMContextImpl.h

diff --git a/lib/IR/LLVMContextImpl.h b/lib/IR/LLVMContextImpl.h
index 41a898b42a757303c3e618e1812c15e78f632cfb..cbbf11e334c4dbf73c5f00c9da4f4ba7f266a5c8 100644 (file)
--- a/lib/IR/LLVMContextImpl.h
+++ b/lib/IR/LLVMContextImpl.h
@@ -651,6 +651,35 @@ template <> struct MDNodeKeyImpl<DINamespace> {
   }
 };
 
+template <> struct MDNodeKeyImpl<DIModule> {
+  Metadata *Scope;
+  StringRef Name;
+  StringRef ConfigurationMacros;
+  StringRef IncludePath;
+  StringRef ISysRoot;
+  MDNodeKeyImpl(Metadata *Scope, StringRef Name,
+                StringRef ConfigurationMacros,
+                StringRef IncludePath,
+                StringRef ISysRoot)
+    : Scope(Scope), Name(Name), ConfigurationMacros(ConfigurationMacros),
+      IncludePath(IncludePath), ISysRoot(ISysRoot) {}
+  MDNodeKeyImpl(const DIModule *N)
+    : Scope(N->getRawScope()), Name(N->getName()),
+      ConfigurationMacros(N->getConfigurationMacros()),
+      IncludePath(N->getIncludePath()), ISysRoot(N->getISysRoot()) {}
+
+  bool isKeyOf(const DIModule *RHS) const {
+    return Scope == RHS->getRawScope() && Name == RHS->getName() &&
+           ConfigurationMacros == RHS->getConfigurationMacros() &&
+           IncludePath == RHS->getIncludePath() &&
+           ISysRoot == RHS->getISysRoot();
+  }
+  unsigned getHashValue() const {
+    return hash_combine(Scope, Name,
+                        ConfigurationMacros, IncludePath, ISysRoot);
+  }
+};
+
 template <> struct MDNodeKeyImpl<DITemplateTypeParameter> {
   StringRef Name;
   Metadata *Type;
@@ -1025,6 +1054,6 @@ public:
   void dropTriviallyDeadConstantArrays();
 };
 
-} // namespace llvm
+}
 
 #endif