[llvm-dev] RFC: Introduce DW_OP_LLVM_memory to describe variables in memory with dbg.value
David Blaikie via llvm-dev
llvm-dev at lists.llvm.org
Wed Sep 6 11:45:28 PDT 2017
On Wed, Sep 6, 2017 at 11:14 AM Robinson, Paul <paul.robinson at sony.com>
> >> So, whether we want to start throwing around deref or stack_value or
> >> regx (implicit or explicit) really depends on whether we are going to
> >> be using value expressions or location expressions. Let's not start
> >> mixing them up, it will just make the discussion more confusing.
> > Where do non-location DWARF expressions appear?
> For things that might or might not be constants. I have used non-location
> DWARF expressions to describe bounds for variable-size arrays. I can
> imagine using them for constexpr situations as well.
Fair enough. The only things in this discussion are location expressions, I
believe - good to have the terminology to be clear about that.
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