[SystemZ] implement hasDivRemOp()
SystemZ can do division and remainder in a single instruction for scalar
integer types, which are now reflected by returning true in this hook for
those cases.
Review: Ulrich Weigand
llvm-svn: 317477
diff --git a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
index a4d9421..6d50369 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.cpp
@@ -323,6 +323,11 @@
return 0;
}
+bool SystemZTTIImpl::hasDivRemOp(Type *DataType, bool IsSigned) {
+ EVT VT = TLI->getValueType(DL, DataType);
+ return (VT.isScalarInteger() && TLI->isTypeLegal(VT));
+}
+
int SystemZTTIImpl::getArithmeticInstrCost(
unsigned Opcode, Type *Ty,
TTI::OperandValueKind Op1Info, TTI::OperandValueKind Op2Info,