Add LSR hooks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26740 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index bceca139b7..d068fec40c 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -976,3 +976,16 @@ getRegForInlineAsmConstraint(const std::string &Constraint,
   
   return std::pair<unsigned, const TargetRegisterClass*>(0, 0);
 }
+
+//===----------------------------------------------------------------------===//
+//  Loop Strength Reduction hooks
+//===----------------------------------------------------------------------===//
+
+/// isLegalAddressImmediate - Return true if the integer value or
+/// GlobalValue can be used as the offset of the target addressing mode.
+bool TargetLowering::isLegalAddressImmediate(int64_t V) const {
+  return false;
+}
+bool TargetLowering::isLegalAddressImmediate(GlobalValue *GV) const {
+  return false;
+}