From fc0569e55aade16aac6668b4fadbbdcaeb6f2537 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Tue, 15 Feb 2011 17:36:11 +0000 Subject: [PATCH] Move DbgInfoPrinter specific utlities inside DbgInfoPrinter.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125571 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Analysis/DebugInfo.h | 4 -- lib/Analysis/DbgInfoPrinter.cpp | 112 ++++++++++++++++++++++++++++++ lib/Analysis/DebugInfo.cpp | 111 ----------------------------- 3 files changed, 112 insertions(+), 115 deletions(-) diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index bcaf616ef8a..aa69088b425 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -868,10 +868,6 @@ namespace llvm { Constant *GetTagConstant(unsigned TAG); }; - bool getLocationInfo(const Value *V, std::string &DisplayName, - std::string &Type, unsigned &LineNo, std::string &File, - std::string &Dir); - /// getDISubprogram - Find subprogram that is enclosing this scope. DISubprogram getDISubprogram(const MDNode *Scope); diff --git a/lib/Analysis/DbgInfoPrinter.cpp b/lib/Analysis/DbgInfoPrinter.cpp index f13ad6e7c3d..b23c3514d0b 100644 --- a/lib/Analysis/DbgInfoPrinter.cpp +++ b/lib/Analysis/DbgInfoPrinter.cpp @@ -20,6 +20,7 @@ #include "llvm/Function.h" #include "llvm/IntrinsicInst.h" #include "llvm/Metadata.h" +#include "llvm/Module.h" #include "llvm/Assembly/Writer.h" #include "llvm/Analysis/DebugInfo.h" #include "llvm/Analysis/Passes.h" @@ -57,6 +58,117 @@ INITIALIZE_PASS(PrintDbgInfo, "print-dbginfo", FunctionPass *llvm::createDbgInfoPrinterPass() { return new PrintDbgInfo(); } +/// Find the debug info descriptor corresponding to this global variable. +static Value *findDbgGlobalDeclare(GlobalVariable *V) { + const Module *M = V->getParent(); + NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv"); + if (!NMD) + return 0; + + for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { + DIDescriptor DIG(cast(NMD->getOperand(i))); + if (!DIG.isGlobalVariable()) + continue; + if (DIGlobalVariable(DIG).getGlobal() == V) + return DIG; + } + return 0; +} + +/// Find the debug info descriptor corresponding to this function. +static Value *findDbgSubprogramDeclare(Function *V) { + const Module *M = V->getParent(); + NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.sp"); + if (!NMD) + return 0; + + for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { + DIDescriptor DIG(cast(NMD->getOperand(i))); + if (!DIG.isSubprogram()) + continue; + if (DISubprogram(DIG).getFunction() == V) + return DIG; + } + return 0; +} + +/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any. +/// It looks through pointer casts too. +static const DbgDeclareInst *findDbgDeclare(const Value *V) { + V = V->stripPointerCasts(); + + if (!isa(V) && !isa(V)) + return 0; + + const Function *F = NULL; + if (const Instruction *I = dyn_cast(V)) + F = I->getParent()->getParent(); + else if (const Argument *A = dyn_cast(V)) + F = A->getParent(); + + for (Function::const_iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI) + for (BasicBlock::const_iterator BI = (*FI).begin(), BE = (*FI).end(); + BI != BE; ++BI) + if (const DbgDeclareInst *DDI = dyn_cast(BI)) + if (DDI->getAddress() == V) + return DDI; + + return 0; +} + +static bool getLocationInfo(const Value *V, std::string &DisplayName, + std::string &Type, unsigned &LineNo, + std::string &File, std::string &Dir) { + DICompileUnit Unit; + DIType TypeD; + + if (GlobalVariable *GV = dyn_cast(const_cast(V))) { + Value *DIGV = findDbgGlobalDeclare(GV); + if (!DIGV) return false; + DIGlobalVariable Var(cast(DIGV)); + + StringRef D = Var.getDisplayName(); + if (!D.empty()) + DisplayName = D; + LineNo = Var.getLineNumber(); + Unit = Var.getCompileUnit(); + TypeD = Var.getType(); + } else if (Function *F = dyn_cast(const_cast(V))){ + Value *DIF = findDbgSubprogramDeclare(F); + if (!DIF) return false; + DISubprogram Var(cast(DIF)); + + StringRef D = Var.getDisplayName(); + if (!D.empty()) + DisplayName = D; + LineNo = Var.getLineNumber(); + Unit = Var.getCompileUnit(); + TypeD = Var.getType(); + } else { + const DbgDeclareInst *DDI = findDbgDeclare(V); + if (!DDI) return false; + DIVariable Var(cast(DDI->getVariable())); + + StringRef D = Var.getName(); + if (!D.empty()) + DisplayName = D; + LineNo = Var.getLineNumber(); + Unit = Var.getCompileUnit(); + TypeD = Var.getType(); + } + + StringRef T = TypeD.getName(); + if (!T.empty()) + Type = T; + StringRef F = Unit.getFilename(); + if (!F.empty()) + File = F; + StringRef D = Unit.getDirectory(); + if (!D.empty()) + Dir = D; + return true; +} + void PrintDbgInfo::printVariableDeclaration(const Value *V) { std::string DisplayName, File, Directory, Type; unsigned LineNo; diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index 78da1b49f84..9db1456edd0 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -1575,117 +1575,6 @@ bool DebugInfoFinder::addSubprogram(DISubprogram SP) { return true; } -/// Find the debug info descriptor corresponding to this global variable. -static Value *findDbgGlobalDeclare(GlobalVariable *V) { - const Module *M = V->getParent(); - NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv"); - if (!NMD) - return 0; - - for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { - DIDescriptor DIG(cast(NMD->getOperand(i))); - if (!DIG.isGlobalVariable()) - continue; - if (DIGlobalVariable(DIG).getGlobal() == V) - return DIG; - } - return 0; -} - -/// Find the debug info descriptor corresponding to this function. -static Value *findDbgSubprogramDeclare(Function *V) { - const Module *M = V->getParent(); - NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.sp"); - if (!NMD) - return 0; - - for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) { - DIDescriptor DIG(cast(NMD->getOperand(i))); - if (!DIG.isSubprogram()) - continue; - if (DISubprogram(DIG).getFunction() == V) - return DIG; - } - return 0; -} - -/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any. -/// It looks through pointer casts too. -static const DbgDeclareInst *findDbgDeclare(const Value *V) { - V = V->stripPointerCasts(); - - if (!isa(V) && !isa(V)) - return 0; - - const Function *F = NULL; - if (const Instruction *I = dyn_cast(V)) - F = I->getParent()->getParent(); - else if (const Argument *A = dyn_cast(V)) - F = A->getParent(); - - for (Function::const_iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI) - for (BasicBlock::const_iterator BI = (*FI).begin(), BE = (*FI).end(); - BI != BE; ++BI) - if (const DbgDeclareInst *DDI = dyn_cast(BI)) - if (DDI->getAddress() == V) - return DDI; - - return 0; -} - -bool llvm::getLocationInfo(const Value *V, std::string &DisplayName, - std::string &Type, unsigned &LineNo, - std::string &File, std::string &Dir) { - DICompileUnit Unit; - DIType TypeD; - - if (GlobalVariable *GV = dyn_cast(const_cast(V))) { - Value *DIGV = findDbgGlobalDeclare(GV); - if (!DIGV) return false; - DIGlobalVariable Var(cast(DIGV)); - - StringRef D = Var.getDisplayName(); - if (!D.empty()) - DisplayName = D; - LineNo = Var.getLineNumber(); - Unit = Var.getCompileUnit(); - TypeD = Var.getType(); - } else if (Function *F = dyn_cast(const_cast(V))){ - Value *DIF = findDbgSubprogramDeclare(F); - if (!DIF) return false; - DISubprogram Var(cast(DIF)); - - StringRef D = Var.getDisplayName(); - if (!D.empty()) - DisplayName = D; - LineNo = Var.getLineNumber(); - Unit = Var.getCompileUnit(); - TypeD = Var.getType(); - } else { - const DbgDeclareInst *DDI = findDbgDeclare(V); - if (!DDI) return false; - DIVariable Var(cast(DDI->getVariable())); - - StringRef D = Var.getName(); - if (!D.empty()) - DisplayName = D; - LineNo = Var.getLineNumber(); - Unit = Var.getCompileUnit(); - TypeD = Var.getType(); - } - - StringRef T = TypeD.getName(); - if (!T.empty()) - Type = T; - StringRef F = Unit.getFilename(); - if (!F.empty()) - File = F; - StringRef D = Unit.getDirectory(); - if (!D.empty()) - Dir = D; - return true; -} - /// getDISubprogram - Find subprogram that is enclosing this scope. DISubprogram llvm::getDISubprogram(const MDNode *Scope) { DIDescriptor D(Scope);