diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h | 77 |
1 files changed, 34 insertions, 43 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h index 5ecc753d23d..c6acc09b660 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h @@ -616,33 +616,27 @@ public: void init(GCFunctionInfo *gfi, AliasAnalysis &aa, const TargetLibraryInfo *li); - /// clear - Clear out the current SelectionDAG and the associated - /// state and prepare this SelectionDAGBuilder object to be used - /// for a new block. This doesn't clear out information about - /// additional blocks that are needed to complete switch lowering - /// or PHI node updating; that information is cleared out as it is - /// consumed. + /// Clear out the current SelectionDAG and the associated state and prepare + /// this SelectionDAGBuilder object to be used for a new block. This doesn't + /// clear out information about additional blocks that are needed to complete + /// switch lowering or PHI node updating; that information is cleared out as + /// it is consumed. void clear(); - /// clearDanglingDebugInfo - Clear the dangling debug information - /// map. This function is separated from the clear so that debug - /// information that is dangling in a basic block can be properly - /// resolved in a different basic block. This allows the - /// SelectionDAG to resolve dangling debug information attached - /// to PHI nodes. + /// Clear the dangling debug information map. This function is separated from + /// the clear so that debug information that is dangling in a basic block can + /// be properly resolved in a different basic block. This allows the + /// SelectionDAG to resolve dangling debug information attached to PHI nodes. void clearDanglingDebugInfo(); - /// getRoot - Return the current virtual root of the Selection DAG, - /// flushing any PendingLoad items. This must be done before emitting - /// a store or any other node that may need to be ordered after any - /// prior load instructions. - /// + /// Return the current virtual root of the Selection DAG, flushing any + /// PendingLoad items. This must be done before emitting a store or any other + /// node that may need to be ordered after any prior load instructions. SDValue getRoot(); - /// getControlRoot - Similar to getRoot, but instead of flushing all the - /// PendingLoad items, flush all the PendingExports items. It is necessary - /// to do this before emitting a terminator instruction. - /// + /// Similar to getRoot, but instead of flushing all the PendingLoad items, + /// flush all the PendingExports items. It is necessary to do this before + /// emitting a terminator instruction. SDValue getControlRoot(); SDLoc getCurSDLoc() const { @@ -960,26 +954,23 @@ private: /// type. /// struct RegsForValue { - /// ValueVTs - The value types of the values, which may not be legal, and + /// The value types of the values, which may not be legal, and /// may need be promoted or synthesized from one or more registers. - /// SmallVector<EVT, 4> ValueVTs; - /// RegVTs - The value types of the registers. This is the same size as - /// ValueVTs and it records, for each value, what the type of the assigned - /// register or registers are. (Individual values are never synthesized - /// from more than one type of register.) + /// The value types of the registers. This is the same size as ValueVTs and it + /// records, for each value, what the type of the assigned register or + /// registers are. (Individual values are never synthesized from more than one + /// type of register.) /// /// With virtual registers, the contents of RegVTs is redundant with TLI's /// getRegisterType member function, however when with physical registers /// it is necessary to have a separate record of the types. - /// SmallVector<MVT, 4> RegVTs; - /// Regs - This list holds the registers assigned to the values. + /// This list holds the registers assigned to the values. /// Each legal or promoted value requires one register, and each /// expanded value requires multiple registers. - /// SmallVector<unsigned, 4> Regs; RegsForValue(); @@ -989,33 +980,33 @@ struct RegsForValue { RegsForValue(LLVMContext &Context, const TargetLowering &TLI, const DataLayout &DL, unsigned Reg, Type *Ty); - /// append - Add the specified values to this one. + /// Add the specified values to this one. void append(const RegsForValue &RHS) { ValueVTs.append(RHS.ValueVTs.begin(), RHS.ValueVTs.end()); RegVTs.append(RHS.RegVTs.begin(), RHS.RegVTs.end()); Regs.append(RHS.Regs.begin(), RHS.Regs.end()); } - /// getCopyFromRegs - Emit a series of CopyFromReg nodes that copies from - /// this value and returns the result as a ValueVTs value. This uses - /// Chain/Flag as the input and updates them for the output Chain/Flag. - /// If the Flag pointer is NULL, no flag is used. + /// Emit a series of CopyFromReg nodes that copies from this value and returns + /// the result as a ValueVTs value. This uses Chain/Flag as the input and + /// updates them for the output Chain/Flag. If the Flag pointer is NULL, no + /// flag is used. SDValue getCopyFromRegs(SelectionDAG &DAG, FunctionLoweringInfo &FuncInfo, const SDLoc &dl, SDValue &Chain, SDValue *Flag, const Value *V = nullptr) const; - /// getCopyToRegs - Emit a series of CopyToReg nodes that copies the specified - /// value into the registers specified by this object. This uses Chain/Flag - /// as the input and updates them for the output Chain/Flag. If the Flag - /// pointer is nullptr, no flag is used. If V is not nullptr, then it is used - /// in printing better diagnostic messages on error. + /// Emit a series of CopyToReg nodes that copies the specified value into the + /// registers specified by this object. This uses Chain/Flag as the input and + /// updates them for the output Chain/Flag. If the Flag pointer is nullptr, no + /// flag is used. If V is not nullptr, then it is used in printing better + /// diagnostic messages on error. void getCopyToRegs(SDValue Val, SelectionDAG &DAG, const SDLoc &dl, SDValue &Chain, SDValue *Flag, const Value *V = nullptr, ISD::NodeType PreferredExtendType = ISD::ANY_EXTEND) const; - /// AddInlineAsmOperands - Add this value to the specified inlineasm node - /// operand list. This adds the code marker, matching input operand index - /// (if applicable), and includes the number of values added into it. + /// Add this value to the specified inlineasm node operand list. This adds the + /// code marker, matching input operand index (if applicable), and includes + /// the number of values added into it. void AddInlineAsmOperands(unsigned Kind, bool HasMatching, unsigned MatchingIdx, const SDLoc &dl, SelectionDAG &DAG, std::vector<SDValue> &Ops) const; |
