From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 12 Mar 2007 23:37:10 +0000 (+0000)
Subject: More flexible TargetLowering LSR hooks for testing whether an immediate is a legal... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c289faf01559584be1ead2574631d54940a4dd4f;p=oota-llvm.git

More flexible TargetLowering LSR hooks for testing whether an immediate is a legal target address immediate or scale.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35076 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 39f6fe79a97..faa50295690 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1931,15 +1931,25 @@ getRegForInlineAsmConstraint(const std::string &Constraint,
 //  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 {
+/// isLegalAddressImmediate - Return true if the integer value can be used as
+/// the offset of the target addressing mode for load / store of the given
+/// type.
+bool TargetLowering::isLegalAddressImmediate(int64_t V, const Type *Ty) const {
   return false;
 }
+
+/// isLegalAddressImmediate - Return true if the GlobalValue can be used as
+/// the offset of the target addressing mode.
 bool TargetLowering::isLegalAddressImmediate(GlobalValue *GV) const {
   return false;
 }
 
+/// isLegalAddressScale - Return true if the integer value can be used as the
+/// scale of the target addressing mode for load / store of the given type.
+bool TargetLowering::isLegalAddressScale(int64_t S, const Type *Ty) const {
+  return false;
+}
+
 
 // Magic for divide replacement