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SDAG: Implement Select instead of SelectImpl in NVPTXDAGToDAGISel 

- Where we were returning a node before, call ReplaceNode instead.
- Where we would return null to fall back to another selector, rename
  the method to try* and return a bool for success.

Part of llvm.org/pr26808.

llvm-svn: 269483
This commit is contained in:
Justin Bogner 2016-05-13 21:12:53 +00:00
parent c326d050ca
commit 8d83fb6132
2 changed files with 236 additions and 213 deletions
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417
llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
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File diff suppressed because it is too large Load Diff

32
llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
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@ -53,22 +53,22 @@ private:
// Include the pieces autogenerated from the target description.
#include "NVPTXGenDAGISel.inc"
SDNode *SelectImpl(SDNode *N) override;
SDNode *SelectIntrinsicNoChain(SDNode *N);
SDNode *SelectIntrinsicChain(SDNode *N);
SDNode *SelectTexSurfHandle(SDNode *N);
SDNode *SelectLoad(SDNode *N);
SDNode *SelectLoadVector(SDNode *N);
SDNode *SelectLDGLDU(SDNode *N);
SDNode *SelectStore(SDNode *N);
SDNode *SelectStoreVector(SDNode *N);
SDNode *SelectLoadParam(SDNode *N);
SDNode *SelectStoreRetval(SDNode *N);
SDNode *SelectStoreParam(SDNode *N);
SDNode *SelectAddrSpaceCast(SDNode *N);
SDNode *SelectTextureIntrinsic(SDNode *N);
SDNode *SelectSurfaceIntrinsic(SDNode *N);
SDNode *SelectBFE(SDNode *N);
void Select(SDNode *N) override;
bool tryIntrinsicNoChain(SDNode *N);
bool tryIntrinsicChain(SDNode *N);
void SelectTexSurfHandle(SDNode *N);
bool tryLoad(SDNode *N);
bool tryLoadVector(SDNode *N);
bool tryLDGLDU(SDNode *N);
bool tryStore(SDNode *N);
bool tryStoreVector(SDNode *N);
bool tryLoadParam(SDNode *N);
bool tryStoreRetval(SDNode *N);
bool tryStoreParam(SDNode *N);
void SelectAddrSpaceCast(SDNode *N);
bool tryTextureIntrinsic(SDNode *N);
bool trySurfaceIntrinsic(SDNode *N);
bool tryBFE(SDNode *N);
inline SDValue getI32Imm(unsigned Imm, SDLoc DL) {
return CurDAG->getTargetConstant(Imm, DL, MVT::i32);