#ifndef LLVM_CODEGEN_MACHINEMODULEINFO_H
#define LLVM_CODEGEN_MACHINEMODULEINFO_H
-#include "llvm/Pass.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/Metadata.h"
-#include "llvm/MC/MachineLocation.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/Support/Dwarf.h"
-#include "llvm/Support/DebugLoc.h"
-#include "llvm/Support/ValueHandle.h"
-#include "llvm/Support/DataTypes.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/ValueHandle.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MachineLocation.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/Dwarf.h"
namespace llvm {
std::vector<int> TypeIds; // List of type ids (filters negative)
explicit LandingPadInfo(MachineBasicBlock *MBB)
- : LandingPadBlock(MBB), LandingPadLabel(0), Personality(0) {}
+ : LandingPadBlock(MBB), LandingPadLabel(nullptr), Personality(nullptr) {}
};
//===----------------------------------------------------------------------===//
/// want.
MachineModuleInfoImpl *ObjFileMMI;
- /// FrameMoves - List of moves done by a function's prolog. Used to construct
- /// frame maps by debug and exception handling consumers.
- std::vector<MachineMove> FrameMoves;
-
- /// CompactUnwindEncoding - If the target supports it, this is the compact
- /// unwind encoding. It replaces a function's CIE and FDE.
- uint32_t CompactUnwindEncoding;
+ /// List of moves done by a function's prolog. Used to construct frame maps
+ /// by debug and exception handling consumers.
+ std::vector<MCCFIInstruction> FrameInstructions;
/// LandingPads - List of LandingPadInfo describing the landing pad
/// information in the current function.
std::vector<LandingPadInfo> LandingPads;
+ /// LPadToCallSiteMap - Map a landing pad's EH symbol to the call site
+ /// indexes.
+ DenseMap<MCSymbol*, SmallVector<unsigned, 4> > LPadToCallSiteMap;
+
/// CallSiteMap - Map of invoke call site index values to associated begin
/// EH_LABEL for the current function.
DenseMap<MCSymbol*, unsigned> CallSiteMap;
/// in this module.
bool DbgInfoAvailable;
- /// CallsExternalVAFunctionWithFloatingPointArguments - True if this module
- /// calls VarArg function with floating point arguments. This is used to emit
- /// an undefined reference to fltused on Windows targets.
- bool CallsExternalVAFunctionWithFloatingPointArguments;
+ /// UsesVAFloatArgument - True if this module calls VarArg function with
+ /// floating-point arguments. This is used to emit an undefined reference
+ /// to _fltused on Windows targets.
+ bool UsesVAFloatArgument;
public:
static char ID; // Pass identification, replacement for typeid
- typedef std::pair<unsigned, DebugLoc> UnsignedDebugLocPair;
- typedef SmallVector<std::pair<TrackingVH<MDNode>, UnsignedDebugLocPair>, 4>
- VariableDbgInfoMapTy;
- VariableDbgInfoMapTy VariableDbgInfo;
+ struct VariableDbgInfo {
+ TrackingVH<MDNode> Var;
+ TrackingVH<MDNode> Expr;
+ unsigned Slot;
+ DebugLoc Loc;
+ };
+ typedef SmallVector<VariableDbgInfo, 4> VariableDbgInfoMapTy;
+ VariableDbgInfoMapTy VariableDbgInfos;
MachineModuleInfo(); // DUMMY CONSTRUCTOR, DO NOT CALL.
// Real constructor.
const MCObjectFileInfo *MOFI);
~MachineModuleInfo();
- bool doInitialization();
- bool doFinalization();
+ // Initialization and Finalization
+ bool doInitialization(Module &) override;
+ bool doFinalization(Module &) override;
/// EndFunction - Discard function meta information.
///
///
template<typename Ty>
Ty &getObjFileInfo() {
- if (ObjFileMMI == 0)
+ if (ObjFileMMI == nullptr)
ObjFileMMI = new Ty(*this);
return *static_cast<Ty*>(ObjFileMMI);
}
bool callsUnwindInit() const { return CallsUnwindInit; }
void setCallsUnwindInit(bool b) { CallsUnwindInit = b; }
- bool callsExternalVAFunctionWithFloatingPointArguments() const {
- return CallsExternalVAFunctionWithFloatingPointArguments;
+ bool usesVAFloatArgument() const {
+ return UsesVAFloatArgument;
}
- void setCallsExternalVAFunctionWithFloatingPointArguments(bool b) {
- CallsExternalVAFunctionWithFloatingPointArguments = b;
+ void setUsesVAFloatArgument(bool b) {
+ UsesVAFloatArgument = b;
}
- /// getFrameMoves - Returns a reference to a list of moves done in the current
+ /// \brief Returns a reference to a list of cfi instructions in the current
/// function's prologue. Used to construct frame maps for debug and exception
/// handling comsumers.
- std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
-
- /// getCompactUnwindEncoding - Returns the compact unwind encoding for a
- /// function if the target supports the encoding. This encoding replaces a
- /// function's CIE and FDE.
- uint32_t getCompactUnwindEncoding() const { return CompactUnwindEncoding; }
+ const std::vector<MCCFIInstruction> &getFrameInstructions() const {
+ return FrameInstructions;
+ }
- /// setCompactUnwindEncoding - Set the compact unwind encoding for a function
- /// if the target supports the encoding.
- void setCompactUnwindEncoding(uint32_t Enc) { CompactUnwindEncoding = Enc; }
+ unsigned LLVM_ATTRIBUTE_UNUSED_RESULT
+ addFrameInst(const MCCFIInstruction &Inst) {
+ FrameInstructions.push_back(Inst);
+ return FrameInstructions.size() - 1;
+ }
/// getAddrLabelSymbol - Return the symbol to be used for the specified basic
/// block when its address is taken. This cannot be its normal LBB label
/// isUsedFunction - Return true if the functions in the llvm.used list. This
/// does not return true for things in llvm.compiler.used unless they are also
/// in llvm.used.
- bool isUsedFunction(const Function *F) {
+ bool isUsedFunction(const Function *F) const {
return UsedFunctions.count(F);
}
/// TidyLandingPads - Remap landing pad labels and remove any deleted landing
/// pads.
- void TidyLandingPads(DenseMap<MCSymbol*, uintptr_t> *LPMap = 0);
+ void TidyLandingPads(DenseMap<MCSymbol*, uintptr_t> *LPMap = nullptr);
/// getLandingPads - Return a reference to the landing pad info for the
/// current function.
return LandingPads;
}
+ /// setCallSiteLandingPad - Map the landing pad's EH symbol to the call
+ /// site indexes.
+ void setCallSiteLandingPad(MCSymbol *Sym, ArrayRef<unsigned> Sites);
+
+ /// getCallSiteLandingPad - Get the call site indexes for a landing pad EH
+ /// symbol.
+ SmallVectorImpl<unsigned> &getCallSiteLandingPad(MCSymbol *Sym) {
+ assert(hasCallSiteLandingPad(Sym) &&
+ "missing call site number for landing pad!");
+ return LPadToCallSiteMap[Sym];
+ }
+
+ /// hasCallSiteLandingPad - Return true if the landing pad Eh symbol has an
+ /// associated call site.
+ bool hasCallSiteLandingPad(MCSymbol *Sym) {
+ return !LPadToCallSiteMap[Sym].empty();
+ }
+
/// setCallSiteBeginLabel - Map the begin label for a call site.
void setCallSiteBeginLabel(MCSymbol *BeginLabel, unsigned Site) {
CallSiteMap[BeginLabel] = Site;
/// getCurrentCallSite - Get the call site currently being processed, if any.
/// return zero if none.
- unsigned getCurrentCallSite(void) { return CurCallSite; }
+ unsigned getCurrentCallSite() { return CurCallSite; }
/// getTypeInfos - Return a reference to the C++ typeinfo for the current
/// function.
/// setVariableDbgInfo - Collect information used to emit debugging
/// information of a variable.
- void setVariableDbgInfo(MDNode *N, unsigned Slot, DebugLoc Loc) {
- VariableDbgInfo.push_back(std::make_pair(N, std::make_pair(Slot, Loc)));
+ void setVariableDbgInfo(MDNode *Var, MDNode *Expr, unsigned Slot,
+ DebugLoc Loc) {
+ VariableDbgInfo Info = {Var, Expr, Slot, Loc};
+ VariableDbgInfos.push_back(std::move(Info));
}
- VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfo; }
+ VariableDbgInfoMapTy &getVariableDbgInfo() { return VariableDbgInfos; }
}; // End class MachineModuleInfo