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rename files
llvm-svn: 33552
This commit is contained in:
Jim Laskey
parent
55455f0532
commit
fdc04d1ea7
@ -1,4 +1,4 @@
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//===-- llvm/CodeGen/MachineDebugInfo.h -------------------------*- C++ -*-===//
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//===-- llvm/CodeGen/MachineModuleInfo.h ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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@ -7,14 +7,15 @@
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//
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//===----------------------------------------------------------------------===//
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//
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// Collect debug information for a module. This information should be in a
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// neutral form that can be used by different debugging schemes.
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// Collect meta information for a module. This information should be in a
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// neutral form that can be used by different debugging and exception handling
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// schemes.
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//
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// The organization of information is primarily clustered around the source
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// compile units. The main exception is source line correspondence where
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// inlining may interleave code from various compile units.
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//
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// The following information can be retrieved from the MachineDebugInfo.
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// The following information can be retrieved from the MachineModuleInfo.
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//
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// -- Source directories - Directories are uniqued based on their canonical
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// string and assigned a sequential numeric ID (base 1.)
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@ -27,8 +28,8 @@
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CODEGEN_MACHINEDEBUGINFO_H
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#define LLVM_CODEGEN_MACHINEDEBUGINFO_H
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#ifndef LLVM_CODEGEN_MACHINEMODULEINFO_H
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#define LLVM_CODEGEN_MACHINEMODULEINFO_H
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#include "llvm/Support/Dwarf.h"
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#include "llvm/Support/DataTypes.h"
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@ -948,11 +949,11 @@ public:
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};
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//===----------------------------------------------------------------------===//
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/// MachineDebugInfo - This class contains debug information specific to a
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/// module. Queries can be made by different debugging schemes and reformated
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/// for specific use.
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/// MachineModuleInfo - This class contains meta information specific to a
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/// module. Queries can be made by different debugging and exception handling
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/// schemes and reformated for specific use.
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///
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class MachineDebugInfo : public ImmutablePass {
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class MachineModuleInfo : public ImmutablePass {
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private:
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// Use the same deserializer/verifier for the module.
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DIDeserializer DR;
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@ -984,26 +985,26 @@ private:
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DebugScope *RootScope;
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// FrameMoves - List of moves done by a function's prolog. Used to construct
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// frame maps by debug consumers.
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// frame maps by debug and exception handling consumers.
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std::vector<MachineMove> FrameMoves;
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public:
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MachineDebugInfo();
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~MachineDebugInfo();
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MachineModuleInfo();
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~MachineModuleInfo();
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/// doInitialization - Initialize the debug state for a new module.
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/// doInitialization - Initialize the state for a new module.
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///
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bool doInitialization();
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/// doFinalization - Tear down the debug state after completion of a module.
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/// doFinalization - Tear down the state after completion of a module.
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///
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bool doFinalization();
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/// BeginFunction - Begin gathering function debug information.
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/// BeginFunction - Begin gathering function meta information.
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///
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void BeginFunction(MachineFunction *MF);
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/// EndFunction - Discard function debug information.
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/// EndFunction - Discard function meta information.
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///
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void EndFunction();
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@ -1020,9 +1021,9 @@ public:
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///
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void AnalyzeModule(Module &M);
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/// hasInfo - Returns true if valid debug info is present.
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/// hasDebugInfo - Returns true if valid debug info is present.
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///
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bool hasInfo() const { return !CompileUnits.empty(); }
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bool hasDebugInfo() const { return !CompileUnits.empty(); }
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/// NextLabelID - Return the next unique label id.
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///
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@ -1033,12 +1034,12 @@ public:
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}
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/// RecordLabel - Records location information and associates it with a
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/// debug label. Returns a unique label ID used to generate a label and
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/// label. Returns a unique label ID used to generate a label and
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/// provide correspondence to the source line list.
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unsigned RecordLabel(unsigned Line, unsigned Column, unsigned Source);
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/// InvalidateLabel - Inhibit use of the specified label # from
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/// MachineDebugInfo, for example because the code was deleted.
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/// MachineModuleInfo, for example because the code was deleted.
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void InvalidateLabel(unsigned LabelID) {
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// Remap to zero to indicate deletion.
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RemapLabel(LabelID, 0);
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@ -1048,9 +1049,9 @@ public:
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///
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void RemapLabel(unsigned OldLabelID, unsigned NewLabelID) {
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assert(0 < OldLabelID && OldLabelID <= LabelIDList.size() &&
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"Old debug label ID out of range.");
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"Old label ID out of range.");
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assert(NewLabelID <= LabelIDList.size() &&
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"New debug label ID out of range.");
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"New label ID out of range.");
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LabelIDList[OldLabelID - 1] = NewLabelID;
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}
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@ -1144,10 +1145,11 @@ public:
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DebugScope *getOrCreateScope(DebugInfoDesc *ScopeDesc);
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/// getFrameMoves - Returns a reference to a list of moves done in the current
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/// function's prologue. Used to construct frame maps for debug comsumers.
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/// function's prologue. Used to construct frame maps for debug and exception
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/// handling comsumers.
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std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
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}; // End class MachineDebugInfo
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}; // End class MachineModuleInfo
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} // End llvm namespace
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@ -1,4 +1,4 @@
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//===-- llvm/CodeGen/MachineDebugInfo.cpp -----------------------*- C++ -*-===//
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//===-- llvm/CodeGen/MachineModuleInfo.cpp ----------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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@ -7,7 +7,7 @@
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/CodeGen/MachineDebugInfo.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/Constants.h"
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#include "llvm/CodeGen/MachineFunctionPass.h"
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@ -27,7 +27,7 @@ using namespace llvm::dwarf;
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// Handle the Pass registration stuff necessary to use TargetData's.
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namespace {
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RegisterPass<MachineDebugInfo> X("machinedebuginfo", "Debug Information");
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RegisterPass<MachineModuleInfo> X("machinemoduleinfo", "Module Information");
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}
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//===----------------------------------------------------------------------===//
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@ -1460,7 +1460,7 @@ DebugScope::~DebugScope() {
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//===----------------------------------------------------------------------===//
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MachineDebugInfo::MachineDebugInfo()
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MachineModuleInfo::MachineModuleInfo()
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: DR()
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, VR()
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, CompileUnits()
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@ -1472,31 +1472,31 @@ MachineDebugInfo::MachineDebugInfo()
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, RootScope(NULL)
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, FrameMoves()
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{}
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MachineDebugInfo::~MachineDebugInfo() {
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MachineModuleInfo::~MachineModuleInfo() {
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}
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/// doInitialization - Initialize the debug state for a new module.
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/// doInitialization - Initialize the state for a new module.
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///
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bool MachineDebugInfo::doInitialization() {
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bool MachineModuleInfo::doInitialization() {
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return false;
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}
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/// doFinalization - Tear down the debug state after completion of a module.
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/// doFinalization - Tear down the state after completion of a module.
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///
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bool MachineDebugInfo::doFinalization() {
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bool MachineModuleInfo::doFinalization() {
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return false;
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}
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/// BeginFunction - Begin gathering function debug information.
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/// BeginFunction - Begin gathering function meta information.
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///
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void MachineDebugInfo::BeginFunction(MachineFunction *MF) {
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void MachineModuleInfo::BeginFunction(MachineFunction *MF) {
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// Coming soon.
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}
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/// MachineDebugInfo::EndFunction - Discard function debug information.
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/// EndFunction - Discard function meta information.
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///
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void MachineDebugInfo::EndFunction() {
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void MachineModuleInfo::EndFunction() {
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// Clean up scope information.
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if (RootScope) {
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delete RootScope;
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@ -1511,25 +1511,25 @@ void MachineDebugInfo::EndFunction() {
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/// getDescFor - Convert a Value to a debug information descriptor.
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///
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// FIXME - use new Value type when available.
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DebugInfoDesc *MachineDebugInfo::getDescFor(Value *V) {
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DebugInfoDesc *MachineModuleInfo::getDescFor(Value *V) {
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return DR.Deserialize(V);
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}
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/// Verify - Verify that a Value is debug information descriptor.
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///
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bool MachineDebugInfo::Verify(Value *V) {
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bool MachineModuleInfo::Verify(Value *V) {
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return VR.Verify(V);
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}
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/// AnalyzeModule - Scan the module for global debug information.
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///
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void MachineDebugInfo::AnalyzeModule(Module &M) {
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void MachineModuleInfo::AnalyzeModule(Module &M) {
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SetupCompileUnits(M);
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}
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/// SetupCompileUnits - Set up the unique vector of compile units.
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///
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void MachineDebugInfo::SetupCompileUnits(Module &M) {
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void MachineModuleInfo::SetupCompileUnits(Module &M) {
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std::vector<CompileUnitDesc *>CU = getAnchoredDescriptors<CompileUnitDesc>(M);
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for (unsigned i = 0, N = CU.size(); i < N; i++) {
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@ -1539,22 +1539,22 @@ void MachineDebugInfo::SetupCompileUnits(Module &M) {
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/// getCompileUnits - Return a vector of debug compile units.
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///
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const UniqueVector<CompileUnitDesc *> MachineDebugInfo::getCompileUnits()const{
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const UniqueVector<CompileUnitDesc *> MachineModuleInfo::getCompileUnits()const{
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return CompileUnits;
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}
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/// getGlobalVariablesUsing - Return all of the GlobalVariables that use the
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/// named GlobalVariable.
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std::vector<GlobalVariable*>
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MachineDebugInfo::getGlobalVariablesUsing(Module &M,
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const std::string &RootName) {
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MachineModuleInfo::getGlobalVariablesUsing(Module &M,
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const std::string &RootName) {
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return ::getGlobalVariablesUsing(M, RootName);
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}
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/// RecordLabel - Records location information and associates it with a
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/// debug label. Returns a unique label ID used to generate a label and
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/// provide correspondence to the source line list.
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unsigned MachineDebugInfo::RecordLabel(unsigned Line, unsigned Column,
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unsigned MachineModuleInfo::RecordLabel(unsigned Line, unsigned Column,
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unsigned Source) {
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unsigned ID = NextLabelID();
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Lines.push_back(SourceLineInfo(Line, Column, Source, ID));
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@ -1563,19 +1563,19 @@ unsigned MachineDebugInfo::RecordLabel(unsigned Line, unsigned Column,
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/// RecordSource - Register a source file with debug info. Returns an source
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/// ID.
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unsigned MachineDebugInfo::RecordSource(const std::string &Directory,
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const std::string &Source) {
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unsigned MachineModuleInfo::RecordSource(const std::string &Directory,
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const std::string &Source) {
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unsigned DirectoryID = Directories.insert(Directory);
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return SourceFiles.insert(SourceFileInfo(DirectoryID, Source));
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}
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unsigned MachineDebugInfo::RecordSource(const CompileUnitDesc *CompileUnit) {
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unsigned MachineModuleInfo::RecordSource(const CompileUnitDesc *CompileUnit) {
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return RecordSource(CompileUnit->getDirectory(),
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CompileUnit->getFileName());
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}
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/// RecordRegionStart - Indicate the start of a region.
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///
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unsigned MachineDebugInfo::RecordRegionStart(Value *V) {
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unsigned MachineModuleInfo::RecordRegionStart(Value *V) {
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// FIXME - need to be able to handle split scopes because of bb cloning.
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DebugInfoDesc *ScopeDesc = DR.Deserialize(V);
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DebugScope *Scope = getOrCreateScope(ScopeDesc);
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@ -1586,7 +1586,7 @@ unsigned MachineDebugInfo::RecordRegionStart(Value *V) {
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/// RecordRegionEnd - Indicate the end of a region.
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///
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unsigned MachineDebugInfo::RecordRegionEnd(Value *V) {
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unsigned MachineModuleInfo::RecordRegionEnd(Value *V) {
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// FIXME - need to be able to handle split scopes because of bb cloning.
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DebugInfoDesc *ScopeDesc = DR.Deserialize(V);
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DebugScope *Scope = getOrCreateScope(ScopeDesc);
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@ -1597,7 +1597,7 @@ unsigned MachineDebugInfo::RecordRegionEnd(Value *V) {
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/// RecordVariable - Indicate the declaration of a local variable.
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///
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void MachineDebugInfo::RecordVariable(Value *V, unsigned FrameIndex) {
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void MachineModuleInfo::RecordVariable(Value *V, unsigned FrameIndex) {
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VariableDesc *VD = cast<VariableDesc>(DR.Deserialize(V));
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DebugScope *Scope = getOrCreateScope(VD->getContext());
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DebugVariable *DV = new DebugVariable(VD, FrameIndex);
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@ -1606,7 +1606,7 @@ void MachineDebugInfo::RecordVariable(Value *V, unsigned FrameIndex) {
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/// getOrCreateScope - Returns the scope associated with the given descriptor.
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///
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DebugScope *MachineDebugInfo::getOrCreateScope(DebugInfoDesc *ScopeDesc) {
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DebugScope *MachineModuleInfo::getOrCreateScope(DebugInfoDesc *ScopeDesc) {
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DebugScope *&Slot = ScopeMap[ScopeDesc];
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if (!Slot) {
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// FIXME - breaks down when the context is an inlined function.
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@ -1631,21 +1631,21 @@ DebugScope *MachineDebugInfo::getOrCreateScope(DebugInfoDesc *ScopeDesc) {
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}
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//===----------------------------------------------------------------------===//
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/// DebugLabelFolding pass - This pass prunes out redundant debug labels. This
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/// allows a debug emitter to determine if the range of two labels is empty,
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/// by seeing if the labels map to the same reduced label.
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/// DebugLabelFolding pass - This pass prunes out redundant labels. This allows
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/// a info consumer to determine if the range of two labels is empty, by seeing
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/// if the labels map to the same reduced label.
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namespace llvm {
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struct DebugLabelFolder : public MachineFunctionPass {
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virtual bool runOnMachineFunction(MachineFunction &MF);
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virtual const char *getPassName() const { return "Debug Label Folder"; }
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virtual const char *getPassName() const { return "Label Folder"; }
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};
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bool DebugLabelFolder::runOnMachineFunction(MachineFunction &MF) {
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// Get machine debug info.
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MachineDebugInfo *MDI = getAnalysisToUpdate<MachineDebugInfo>();
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if (!MDI) return false;
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// Get machine module info.
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MachineModuleInfo *MMI = getAnalysisToUpdate<MachineModuleInfo>();
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if (!MMI) return false;
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// Get target instruction info.
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const TargetInstrInfo *TII = MF.getTarget().getInstrInfo();
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if (!TII) return false;
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@ -1660,7 +1660,7 @@ bool DebugLabelFolder::runOnMachineFunction(MachineFunction &MF) {
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BB != E; ++BB) {
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// Iterate through instructions.
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for (MachineBasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ) {
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// Is it a debug label.
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// Is it a label.
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if ((unsigned)I->getOpcode() == TargetInstrInfo::LABEL) {
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// The label ID # is always operand #0, an immediate.
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unsigned NextLabel = I->getOperand(0).getImm();
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@ -1668,7 +1668,7 @@ bool DebugLabelFolder::runOnMachineFunction(MachineFunction &MF) {
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// If there was an immediate prior label.
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if (PriorLabel) {
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// Remap the current label to prior label.
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MDI->RemapLabel(NextLabel, PriorLabel);
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MMI->RemapLabel(NextLabel, PriorLabel);
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// Delete the current label.
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I = BB->erase(I);
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// Indicate a change has been made.
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