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@35074 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index b11b1f7..5e6e800 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -3152,8 +3152,9 @@
}
/// isLegalAddressImmediate - Return true if the integer value can be used
-/// as the offset of the target addressing mode.
-bool PPCTargetLowering::isLegalAddressImmediate(int64_t V) const {
+/// as the offset of the target addressing mode for load / store of the
+/// given type.
+bool PPCTargetLowering::isLegalAddressImmediate(int64_t V,const Type *Ty) const{
// PPC allows a sign-extended 16-bit immediate field.
return (V > -(1 << 16) && V < (1 << 16)-1);
}
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 009ceb0..cc1f032 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -237,9 +237,13 @@
SelectionDAG &DAG);
/// isLegalAddressImmediate - Return true if the integer value can be used
- /// as the offset of the target addressing mode.
- virtual bool isLegalAddressImmediate(int64_t V) const;
- virtual bool isLegalAddressImmediate(llvm::GlobalValue*) const;
+ /// as the offset of the target addressing mode for load / store of the
+ /// given type.
+ virtual bool isLegalAddressImmediate(int64_t V, const Type *Ty) const;
+
+ /// isLegalAddressImmediate - Return true if the GlobalValue can be used as
+ /// the offset of the target addressing mode.
+ virtual bool isLegalAddressImmediate(GlobalValue *GV) const;
SDOperand LowerFRAMEADDR(SDOperand Op, SelectionDAG &DAG);
};