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author | Chris Lattner <sabre@nondot.org> | 2010-04-01 03:55:42 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2010-04-01 03:55:42 +0000 |
commit | 68c551349947e659a79eb0d4782d0487756020b5 (patch) | |
tree | 2670a5fd5071294345ca27012be83326cbc061b4 /lib | |
parent | ec306a9771dd151531e0af7a26ce973cfd43453d (diff) | |
download | llvm-68c551349947e659a79eb0d4782d0487756020b5.tar.gz llvm-68c551349947e659a79eb0d4782d0487756020b5.tar.bz2 llvm-68c551349947e659a79eb0d4782d0487756020b5.tar.xz |
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
Diffstat (limited to 'lib')
-rw-r--r-- | lib/VMCore/DebugLoc.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/VMCore/DebugLoc.cpp b/lib/VMCore/DebugLoc.cpp index 0fcbf2653a..d9f533a9d6 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<MDNode>(N->getOperand(2)); + if (Scope == 0) return NewDebugLoc(); + + unsigned LineNo = 0, ColNo = 0; + if (ConstantInt *Line = dyn_cast_or_null<ConstantInt>(N->getOperand(0))) + LineNo = Line->getZExtValue(); + if (ConstantInt *Col = dyn_cast_or_null<ConstantInt>(N->getOperand(1))) + ColNo = Col->getZExtValue(); + + return get(LineNo, ColNo, Scope, dyn_cast_or_null<MDNode>(N->getOperand(3))); +} //===----------------------------------------------------------------------===// // LLVMContextImpl Implementation |