Vendor import of llvm trunk r135360:

http://llvm.org/svn/llvm-project/llvm/trunk@135360

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/VMCore/DebugLoc.cpp b/lib/VMCore/DebugLoc.cpp
index 520333c..4ff6b2c 100644
--- a/lib/VMCore/DebugLoc.cpp
+++ b/lib/VMCore/DebugLoc.cpp
@@ -128,6 +128,38 @@ DebugLoc DebugLoc::getFromDILocation(MDNode *N) {
   return get(LineNo, ColNo, Scope, dyn_cast_or_null<MDNode>(N->getOperand(3)));
 }
 
+/// getFromDILexicalBlock - Translate the DILexicalBlock into a DebugLoc.
+DebugLoc DebugLoc::getFromDILexicalBlock(MDNode *N) {
+  if (N == 0 || N->getNumOperands() < 3) return DebugLoc();
+  
+  MDNode *Scope = dyn_cast_or_null<MDNode>(N->getOperand(1));
+  if (Scope == 0) return DebugLoc();
+  
+  unsigned LineNo = 0, ColNo = 0;
+  if (ConstantInt *Line = dyn_cast_or_null<ConstantInt>(N->getOperand(2)))
+    LineNo = Line->getZExtValue();
+  if (ConstantInt *Col = dyn_cast_or_null<ConstantInt>(N->getOperand(3)))
+    ColNo = Col->getZExtValue();
+  
+  return get(LineNo, ColNo, Scope, NULL);
+}
+
+void DebugLoc::dump(const LLVMContext &Ctx) const {
+#ifndef NDEBUG
+  if (!isUnknown()) {
+    dbgs() << getLine();
+    if (getCol() != 0)
+      dbgs() << ',' << getCol();
+    DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(getInlinedAt(Ctx));
+    if (!InlinedAtDL.isUnknown()) {
+      dbgs() << " @ ";
+      InlinedAtDL.dump(Ctx);
+    } else
+      dbgs() << "\n";
+  }
+#endif
+}
+
 //===----------------------------------------------------------------------===//
 // DenseMap specialization
 //===----------------------------------------------------------------------===//