diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGISel.h')
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAGISel.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGISel.h b/include/llvm/CodeGen/SelectionDAGISel.h index 01d05dd..9601bbc 100644 --- a/include/llvm/CodeGen/SelectionDAGISel.h +++ b/include/llvm/CodeGen/SelectionDAGISel.h @@ -34,6 +34,7 @@ namespace llvm { class ScheduleHazardRecognizer; class GCFunctionInfo; class ScheduleDAGSDNodes; + class LoadInst; /// SelectionDAGISel - This is the common base class used for SelectionDAG-based /// pattern-matching instruction selectors. @@ -91,8 +92,8 @@ public: /// IsLegalToFold - Returns true if the specific operand node N of /// U can be folded during instruction selection that starts at Root. - /// FIXME: This is a static member function because the PIC16 target, - /// which uses it during lowering. + /// FIXME: This is a static member function because the MSP430/SystemZ/X86 + /// targets, which uses it during isel. This could become a proper member. static bool IsLegalToFold(SDValue N, SDNode *U, SDNode *Root, CodeGenOpt::Level OptLevel, bool IgnoreChains = false); @@ -253,8 +254,9 @@ public: return 0; } - virtual bool CheckComplexPattern(SDNode *Root, SDValue N, unsigned PatternNo, - SmallVectorImpl<SDValue> &Result) { + virtual bool CheckComplexPattern(SDNode *Root, SDNode *Parent, SDValue N, + unsigned PatternNo, + SmallVectorImpl<std::pair<SDValue, SDNode*> > &Result) { assert(0 && "Tblgen should generate the implementation of this!"); return false; } @@ -282,6 +284,7 @@ private: void PrepareEHLandingPad(); void SelectAllBasicBlocks(const Function &Fn); + bool TryToFoldFastISelLoad(const LoadInst *LI, FastISel *FastIS); void FinishBasicBlock(); void SelectBasicBlock(BasicBlock::const_iterator Begin, |