- // AbsVar may be NULL.
- DbgVariable(DIVariable V, DbgVariable *AV, DwarfDebug *DD)
- : Var(V), TheDIE(0), DotDebugLocOffset(~0U), AbsVar(AV), MInsn(0),
+ /// Construct a DbgVariable from a DIVariable.
+ DbgVariable(DIVariable V, DIExpression E, DwarfDebug *DD)
+ : Var(V), Expr(E), TheDIE(nullptr), DotDebugLocOffset(~0U),
+ MInsn(nullptr), FrameIndex(~0), DD(DD) {
+ assert(Var.Verify() && Expr.Verify());
+ }
+
+ /// Construct a DbgVariable from a DEBUG_VALUE.
+ /// AbstractVar may be NULL.
+ DbgVariable(const MachineInstr *DbgValue, DwarfDebug *DD)
+ : Var(DbgValue->getDebugVariable()), Expr(DbgValue->getDebugExpression()),
+ TheDIE(nullptr), DotDebugLocOffset(~0U), MInsn(DbgValue),