Add target preference for GatherAllAliases max depth

llvm-svn: 252775
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index 69eec88..45c6c9e 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -774,6 +774,7 @@
   MinFunctionAlignment = 0;
   PrefFunctionAlignment = 0;
   PrefLoopAlignment = 0;
+  GatherAllAliasesMaxDepth = 6;
   MinStackArgumentAlignment = 1;
   InsertFencesForAtomic = false;
   MinimumJumpTableEntries = 4;