diff options
Diffstat (limited to 'lib/Target/XCore')
-rw-r--r-- | lib/Target/XCore/XCoreISelLowering.cpp | 21 | ||||
-rw-r--r-- | lib/Target/XCore/XCoreISelLowering.h | 8 |
2 files changed, 18 insertions, 11 deletions
diff --git a/lib/Target/XCore/XCoreISelLowering.cpp b/lib/Target/XCore/XCoreISelLowering.cpp index 4e06c24..e24b998 100644 --- a/lib/Target/XCore/XCoreISelLowering.cpp +++ b/lib/Target/XCore/XCoreISelLowering.cpp @@ -161,7 +161,7 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) { case ISD::VASTART: return LowerVASTART(Op, DAG); // FIXME: Remove these when LegalizeDAGTypes lands. case ISD::ADD: - case ISD::SUB: return SDValue(ExpandADDSUB(Op.getNode(), DAG),0); + case ISD::SUB: return ExpandADDSUB(Op.getNode(), DAG); case ISD::FRAMEADDR: return LowerFRAMEADDR(Op, DAG); default: assert(0 && "unimplemented operand"); @@ -169,16 +169,19 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) { } } -/// ReplaceNodeResults - Provide custom lowering hooks for nodes with illegal -/// result types. -SDNode *XCoreTargetLowering:: -ReplaceNodeResults(SDNode *N, SelectionDAG &DAG) { +/// ReplaceNodeResults - Replace the results of node with an illegal result +/// type with new values built out of custom code. +void XCoreTargetLowering::ReplaceNodeResults(SDNode *N, + SmallVectorImpl<SDValue>&Results, + SelectionDAG &DAG) { switch (N->getOpcode()) { default: assert(0 && "Don't know how to custom expand this!"); - return NULL; + return; case ISD::ADD: - case ISD::SUB: return ExpandADDSUB(N, DAG); + case ISD::SUB: + Results.push_back(ExpandADDSUB(N, DAG)); + return; } } @@ -296,7 +299,7 @@ LowerJumpTable(SDValue Op, SelectionDAG &DAG) return DAG.getNode(XCoreISD::DPRelativeWrapper, MVT::i32, JTI); } -SDNode *XCoreTargetLowering:: +SDValue XCoreTargetLowering:: ExpandADDSUB(SDNode *N, SelectionDAG &DAG) { assert(N->getValueType(0) == MVT::i64 && @@ -326,7 +329,7 @@ ExpandADDSUB(SDNode *N, SelectionDAG &DAG) LHSH, RHSH, Carry); SDValue Hi(Ignored.getNode(), 1); // Merge the pieces - return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi).getNode(); + return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi); } SDValue XCoreTargetLowering:: diff --git a/lib/Target/XCore/XCoreISelLowering.h b/lib/Target/XCore/XCoreISelLowering.h index 0ce1c76..5417d7b 100644 --- a/lib/Target/XCore/XCoreISelLowering.h +++ b/lib/Target/XCore/XCoreISelLowering.h @@ -68,7 +68,11 @@ namespace llvm { /// LowerOperation - Provide custom lowering hooks for some operations. virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG); - virtual SDNode *ReplaceNodeResults(SDNode *N, SelectionDAG &DAG); + /// ReplaceNodeResults - Replace the results of node with an illegal result + /// type with new values built out of custom code. + /// + virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results, + SelectionDAG &DAG); /// getTargetNodeName - This method returns the name of a target specific // DAG node. @@ -112,7 +116,7 @@ namespace llvm { MVT VT) const; // Expand specifics - SDNode *ExpandADDSUB(SDNode *Op, SelectionDAG &DAG); + SDValue ExpandADDSUB(SDNode *Op, SelectionDAG &DAG); }; } |