From 68c551349947e659a79eb0d4782d0487756020b5 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 1 Apr 2010 03:55:42 +0000 Subject: [PATCH] add a method to decode a DILocation into a NewDebugLoc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100081 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/DebugLoc.h | 5 ++++- lib/VMCore/DebugLoc.cpp | 15 +++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/include/llvm/Support/DebugLoc.h b/include/llvm/Support/DebugLoc.h index 3b8365efcee..300d7401cec 100644 --- a/include/llvm/Support/DebugLoc.h +++ b/include/llvm/Support/DebugLoc.h @@ -40,6 +40,9 @@ namespace llvm { static NewDebugLoc get(unsigned Line, unsigned Col, MDNode *Scope, MDNode *InlinedAt); + /// getFromDILocation - Translate the DILocation quad into a NewDebugLoc. + static NewDebugLoc getFromDILocation(MDNode *N); + /// isUnknown - Return true if this is an unknown location. bool isUnknown() const { return ScopeIdx == 0; } @@ -96,7 +99,7 @@ namespace llvm { bool operator!=(const DebugLoc &DL) const { return !(*this == DL); } }; - /// DebugLocTracker - This class tracks debug location information. + /// DebugLocTracker - This class tracks debug location information. /// struct DebugLocTracker { /// DebugLocations - A vector of unique DebugLocTuple's. diff --git a/lib/VMCore/DebugLoc.cpp b/lib/VMCore/DebugLoc.cpp index 0fcbf2653aa..d9f533a9d60 100644 --- a/lib/VMCore/DebugLoc.cpp +++ b/lib/VMCore/DebugLoc.cpp @@ -111,6 +111,21 @@ MDNode *NewDebugLoc::getAsMDNode(const LLVMContext &Ctx) const { return MDNode::get(Ctx2, &Elts[0], 4); } +/// getFromDILocation - Translate the DILocation quad into a NewDebugLoc. +NewDebugLoc NewDebugLoc::getFromDILocation(MDNode *N) { + if (N == 0 || N->getNumOperands() != 4) return NewDebugLoc(); + + MDNode *Scope = dyn_cast_or_null(N->getOperand(2)); + if (Scope == 0) return NewDebugLoc(); + + unsigned LineNo = 0, ColNo = 0; + if (ConstantInt *Line = dyn_cast_or_null(N->getOperand(0))) + LineNo = Line->getZExtValue(); + if (ConstantInt *Col = dyn_cast_or_null(N->getOperand(1))) + ColNo = Col->getZExtValue(); + + return get(LineNo, ColNo, Scope, dyn_cast_or_null(N->getOperand(3))); +} //===----------------------------------------------------------------------===// // LLVMContextImpl Implementation -- 2.34.1