Replace TargetLowering::isIntImmLegal() with
ScalarTargetTransformInfo::getIntImmCost() instead. "Legal" is a poorly defined
term for something like integer immediate materialization. It is always possible
to materialize an integer immediate. Whether to use it for memcpy expansion is
more a "cost" conceern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 5cf4023..5a44201 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -22,6 +22,7 @@
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetTransformImpl.h"
#include <vector>
namespace llvm {
@@ -387,8 +388,6 @@
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
- virtual bool isIntImmLegal(const APInt &Imm, EVT VT) const;
-
virtual bool getTgtMemIntrinsic(IntrinsicInfo &Info,
const CallInst &I,
unsigned Intrinsic) const;
@@ -575,6 +574,16 @@
FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
const TargetLibraryInfo *libInfo);
}
+
+ class ARMScalarTargetTransformImpl : public ScalarTargetTransformImpl {
+ const ARMSubtarget *Subtarget;
+ public:
+ explicit ARMScalarTargetTransformImpl(const TargetLowering *TL) :
+ ScalarTargetTransformImpl(TL),
+ Subtarget(&TL->getTargetMachine().getSubtarget<ARMSubtarget>()) {};
+
+ virtual unsigned getIntImmCost(const APInt &Imm, Type *Ty) const;
+ };
}
#endif // ARMISELLOWERING_H