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-rw-r--r--lib/Analysis/DebugInfo.cpp329
1 files changed, 219 insertions, 110 deletions
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 6b27cf41624f..9eecc339b483 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -21,6 +21,7 @@
#include "llvm/Module.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Support/Dwarf.h"
+#include "llvm/Support/DebugLoc.h"
#include "llvm/Support/Streams.h"
using namespace llvm;
@@ -321,13 +322,140 @@ bool DISubprogram::describes(const Function *F) {
}
//===----------------------------------------------------------------------===//
+// DIDescriptor: dump routines for all descriptors.
+//===----------------------------------------------------------------------===//
+
+
+/// dump - Print descriptor.
+void DIDescriptor::dump() const {
+ cerr << "[" << dwarf::TagString(getTag()) << "] ";
+ cerr << std::hex << "[GV:" << DbgGV << "]" << std::dec;
+}
+
+/// dump - Print compile unit.
+void DICompileUnit::dump() const {
+ if (getLanguage())
+ cerr << " [" << dwarf::LanguageString(getLanguage()) << "] ";
+
+ std::string Res1, Res2;
+ cerr << " [" << getDirectory(Res1) << "/" << getFilename(Res2) << " ]";
+}
+
+/// dump - Print type.
+void DIType::dump() const {
+ if (isNull()) return;
+
+ std::string Res;
+ if (!getName(Res).empty())
+ cerr << " [" << Res << "] ";
+
+ unsigned Tag = getTag();
+ cerr << " [" << dwarf::TagString(Tag) << "] ";
+
+ // TODO : Print context
+ getCompileUnit().dump();
+ cerr << " ["
+ << getLineNumber() << ", "
+ << getSizeInBits() << ", "
+ << getAlignInBits() << ", "
+ << getOffsetInBits()
+ << "] ";
+
+ if (isPrivate())
+ cerr << " [private] ";
+ else if (isProtected())
+ cerr << " [protected] ";
+
+ if (isForwardDecl())
+ cerr << " [fwd] ";
+
+ if (isBasicType(Tag))
+ DIBasicType(DbgGV).dump();
+ else if (isDerivedType(Tag))
+ DIDerivedType(DbgGV).dump();
+ else if (isCompositeType(Tag))
+ DICompositeType(DbgGV).dump();
+ else {
+ cerr << "Invalid DIType\n";
+ return;
+ }
+
+ cerr << "\n";
+}
+
+/// dump - Print basic type.
+void DIBasicType::dump() const {
+ cerr << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
+}
+
+/// dump - Print derived type.
+void DIDerivedType::dump() const {
+ cerr << "\n\t Derived From: "; getTypeDerivedFrom().dump();
+}
+
+/// dump - Print composite type.
+void DICompositeType::dump() const {
+ DIArray A = getTypeArray();
+ if (A.isNull())
+ return;
+ cerr << " [" << A.getNumElements() << " elements]";
+}
+
+/// dump - Print global.
+void DIGlobal::dump() const {
+ std::string Res;
+ if (!getName(Res).empty())
+ cerr << " [" << Res << "] ";
+
+ unsigned Tag = getTag();
+ cerr << " [" << dwarf::TagString(Tag) << "] ";
+
+ // TODO : Print context
+ getCompileUnit().dump();
+ cerr << " [" << getLineNumber() << "] ";
+
+ if (isLocalToUnit())
+ cerr << " [local] ";
+
+ if (isDefinition())
+ cerr << " [def] ";
+
+ if (isGlobalVariable(Tag))
+ DIGlobalVariable(DbgGV).dump();
+
+ cerr << "\n";
+}
+
+/// dump - Print subprogram.
+void DISubprogram::dump() const {
+ DIGlobal::dump();
+}
+
+/// dump - Print global variable.
+void DIGlobalVariable::dump() const {
+ cerr << " ["; getGlobal()->dump(); cerr << "] ";
+}
+
+/// dump - Print variable.
+void DIVariable::dump() const {
+ std::string Res;
+ if (!getName(Res).empty())
+ cerr << " [" << Res << "] ";
+
+ getCompileUnit().dump();
+ cerr << " [" << getLineNumber() << "] ";
+ getType().dump();
+ cerr << "\n";
+}
+
+//===----------------------------------------------------------------------===//
// DIFactory: Basic Helpers
//===----------------------------------------------------------------------===//
DIFactory::DIFactory(Module &m)
: M(m), StopPointFn(0), FuncStartFn(0), RegionStartFn(0), RegionEndFn(0),
DeclareFn(0) {
- EmptyStructPtr = PointerType::getUnqual(StructType::get(NULL, NULL));
+ EmptyStructPtr = PointerType::getUnqual(StructType::get());
}
/// getCastToEmpty - Return this descriptor as a Constant* with type '{}*'.
@@ -923,127 +1051,108 @@ namespace llvm {
}
}
}
-}
-
-/// dump - Print descriptor.
-void DIDescriptor::dump() const {
- cerr << "[" << dwarf::TagString(getTag()) << "] ";
- cerr << std::hex << "[GV:" << DbgGV << "]" << std::dec;
-}
-
-/// dump - Print compile unit.
-void DICompileUnit::dump() const {
- if (getLanguage())
- cerr << " [" << dwarf::LanguageString(getLanguage()) << "] ";
-
- std::string Res1, Res2;
- cerr << " [" << getDirectory(Res1) << "/" << getFilename(Res2) << " ]";
-}
-
-/// dump - Print type.
-void DIType::dump() const {
- if (isNull()) return;
-
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
-
- unsigned Tag = getTag();
- cerr << " [" << dwarf::TagString(Tag) << "] ";
-
- // TODO : Print context
- getCompileUnit().dump();
- cerr << " ["
- << getLineNumber() << ", "
- << getSizeInBits() << ", "
- << getAlignInBits() << ", "
- << getOffsetInBits()
- << "] ";
-
- if (isPrivate())
- cerr << " [private] ";
- else if (isProtected())
- cerr << " [protected] ";
-
- if (isForwardDecl())
- cerr << " [fwd] ";
- if (isBasicType(Tag))
- DIBasicType(DbgGV).dump();
- else if (isDerivedType(Tag))
- DIDerivedType(DbgGV).dump();
- else if (isCompositeType(Tag))
- DICompositeType(DbgGV).dump();
- else {
- cerr << "Invalid DIType\n";
- return;
+ /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
+ /// info intrinsic.
+ bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI,
+ CodeGenOpt::Level OptLev) {
+ return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
}
- cerr << "\n";
-}
-
-/// dump - Print basic type.
-void DIBasicType::dump() const {
- cerr << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
-}
-
-/// dump - Print derived type.
-void DIDerivedType::dump() const {
- cerr << "\n\t Derived From: "; getTypeDerivedFrom().dump();
-}
-
-/// dump - Print composite type.
-void DICompositeType::dump() const {
- DIArray A = getTypeArray();
- if (A.isNull())
- return;
- cerr << " [" << A.getNumElements() << " elements]";
-}
+ /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
+ /// info intrinsic.
+ bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI,
+ CodeGenOpt::Level OptLev) {
+ return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev);
+ }
-/// dump - Print global.
-void DIGlobal::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
+ /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
+ /// info intrinsic.
+ bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI,
+ CodeGenOpt::Level OptLev) {
+ return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev);
+ }
- unsigned Tag = getTag();
- cerr << " [" << dwarf::TagString(Tag) << "] ";
+ /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
+ /// info intrinsic.
+ bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI,
+ CodeGenOpt::Level OptLev) {
+ return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev);
+ }
- // TODO : Print context
- getCompileUnit().dump();
- cerr << " [" << getLineNumber() << "] ";
- if (isLocalToUnit())
- cerr << " [local] ";
+ /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
+ /// info intrinsic.
+ bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI,
+ CodeGenOpt::Level OptLev) {
+ return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
+ }
- if (isDefinition())
- cerr << " [def] ";
+ /// ExtractDebugLocation - Extract debug location information
+ /// from llvm.dbg.stoppoint intrinsic.
+ DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
+ DebugLocTracker &DebugLocInfo) {
+ DebugLoc DL;
+ Value *Context = SPI.getContext();
+
+ // If this location is already tracked then use it.
+ DebugLocTuple Tuple(cast<GlobalVariable>(Context), SPI.getLine(),
+ SPI.getColumn());
+ DenseMap<DebugLocTuple, unsigned>::iterator II
+ = DebugLocInfo.DebugIdMap.find(Tuple);
+ if (II != DebugLocInfo.DebugIdMap.end())
+ return DebugLoc::get(II->second);
+
+ // Add a new location entry.
+ unsigned Id = DebugLocInfo.DebugLocations.size();
+ DebugLocInfo.DebugLocations.push_back(Tuple);
+ DebugLocInfo.DebugIdMap[Tuple] = Id;
+
+ return DebugLoc::get(Id);
+ }
- if (isGlobalVariable(Tag))
- DIGlobalVariable(DbgGV).dump();
+ /// ExtractDebugLocation - Extract debug location information
+ /// from llvm.dbg.func_start intrinsic.
+ DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
+ DebugLocTracker &DebugLocInfo) {
+ DebugLoc DL;
+ Value *SP = FSI.getSubprogram();
+
+ DISubprogram Subprogram(cast<GlobalVariable>(SP));
+ unsigned Line = Subprogram.getLineNumber();
+ DICompileUnit CU(Subprogram.getCompileUnit());
+
+ // If this location is already tracked then use it.
+ DebugLocTuple Tuple(CU.getGV(), Line, /* Column */ 0);
+ DenseMap<DebugLocTuple, unsigned>::iterator II
+ = DebugLocInfo.DebugIdMap.find(Tuple);
+ if (II != DebugLocInfo.DebugIdMap.end())
+ return DebugLoc::get(II->second);
+
+ // Add a new location entry.
+ unsigned Id = DebugLocInfo.DebugLocations.size();
+ DebugLocInfo.DebugLocations.push_back(Tuple);
+ DebugLocInfo.DebugIdMap[Tuple] = Id;
+
+ return DebugLoc::get(Id);
+ }
- cerr << "\n";
-}
+ /// isInlinedFnStart - Return true if FSI is starting an inlined function.
+ bool isInlinedFnStart(DbgFuncStartInst &FSI, const Function *CurrentFn) {
+ DISubprogram Subprogram(cast<GlobalVariable>(FSI.getSubprogram()));
+ if (Subprogram.describes(CurrentFn))
+ return false;
-/// dump - Print subprogram.
-void DISubprogram::dump() const {
- DIGlobal::dump();
-}
+ return true;
+ }
-/// dump - Print global variable.
-void DIGlobalVariable::dump() const {
- cerr << " ["; getGlobal()->dump(); cerr << "] ";
-}
+ /// isInlinedFnEnd - Return true if REI is ending an inlined function.
+ bool isInlinedFnEnd(DbgRegionEndInst &REI, const Function *CurrentFn) {
+ DISubprogram Subprogram(cast<GlobalVariable>(REI.getContext()));
+ if (Subprogram.isNull() || Subprogram.describes(CurrentFn))
+ return false;
-/// dump - Print variable.
-void DIVariable::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
+ return true;
+ }
- getCompileUnit().dump();
- cerr << " [" << getLineNumber() << "] ";
- getType().dump();
- cerr << "\n";
}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 14:53:05 +0000