Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/SDNodeProperties.td b/linux-x64/clang/include/llvm/CodeGen/SDNodeProperties.td
new file mode 100644
index 0000000..83bbab2
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+++ b/linux-x64/clang/include/llvm/CodeGen/SDNodeProperties.td
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+//===- SDNodeProperties.td - Common code for DAG isels ---*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+class SDNodeProperty;
+
+// Selection DAG Pattern Operations
+class SDPatternOperator {
+ list<SDNodeProperty> Properties = [];
+}
+
+//===----------------------------------------------------------------------===//
+// Selection DAG Node Properties.
+//
+// Note: These are hard coded into tblgen.
+//
+def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
+def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
+def SDNPHasChain : SDNodeProperty; // R/W chain operand and result
+def SDNPOutGlue : SDNodeProperty; // Write a flag result
+def SDNPInGlue : SDNodeProperty; // Read a flag operand
+def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand
+def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'.
+def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
+def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
+def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
+def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
+def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match
+def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent