diff options
Diffstat (limited to 'lib/Target/XCore/XCoreISelLowering.cpp')
-rw-r--r-- | lib/Target/XCore/XCoreISelLowering.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp index e209c29522..489f0a7244 100644 --- a/lib/Target/XCore/XCoreISelLowering.cpp +++ b/lib/Target/XCore/XCoreISelLowering.cpp @@ -166,6 +166,24 @@ XCoreTargetLowering::XCoreTargetLowering(XCoreTargetMachine &XTM) setMinFunctionAlignment(1); } +bool XCoreTargetLowering::isZExtFree(SDValue Val, EVT VT2) const { + if (Val.getOpcode() != ISD::LOAD) + return false; + + EVT VT1 = Val.getValueType(); + if (!VT1.isSimple() || !VT1.isInteger() || + !VT2.isSimple() || !VT2.isInteger()) + return false; + + switch (VT1.getSimpleVT().SimpleTy) { + default: break; + case MVT::i8: + return true; + } + + return false; +} + SDValue XCoreTargetLowering:: LowerOperation(SDValue Op, SelectionDAG &DAG) const { switch (Op.getOpcode()) |