Do not eagerly record known previous location. DBG_VALUE may not cause a new label due to one or other reason.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100134 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 45c8dad..52c7089 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2051,7 +2051,6 @@
// Check and update last known location info.
if(DILoc.getNode() == PrevDILoc)
return;
- PrevDILoc = DILoc.getNode();
// DBG_VALUE instruction establishes new value.
if (MI->isDebugValue()) {
@@ -2061,6 +2060,7 @@
MCSymbol *Label = recordSourceLine(DILoc.getLineNumber(),
DILoc.getColumnNumber(),
DILoc.getScope().getNode());
+ PrevDILoc = DILoc.getNode();
DI->second->setDbgValueLabel(Label);
}
return;
@@ -2071,6 +2071,7 @@
MCSymbol *Label = recordSourceLine(DILoc.getLineNumber(),
DILoc.getColumnNumber(),
DILoc.getScope().getNode());
+ PrevDILoc = DILoc.getNode();
// update DbgScope if this instruction starts a new scope.
InsnToDbgScopeMapTy::iterator I = DbgScopeBeginMap.find(MI);