// From here on out we're working with named functions.
if (CI->getCalledFunction() == 0) return false;
-
+
+ // llvm.dbg.value is far away from the value then iSel may not be able
+ // handle it properly. iSel will drop llvm.dbg.value if it can not
+ // find a node corresponding to the value.
+ if (DbgValueInst *DVI = dyn_cast<DbgValueInst>(CI))
+ if (Instruction *VI = dyn_cast_or_null<Instruction>(DVI->getValue()))
+ if (DVI->getParent() != VI->getParent() || DT->dominates(DVI, VI)) {
+ DEBUG(dbgs() << "Moving Debug Value before :\n" << *DVI << ' ' << *VI);
+ DVI->removeFromParent();
+ DVI->insertAfter(VI);
+ return true;
+ }
+
// We'll need TargetData from here on out.
const TargetData *TD = TLI ? TLI->getTargetData() : 0;
if (!TD) return false;