Adrian Prantl 521de91ba7 Fix the debug info generated by the LoadableByAddress transformation. ...

And unbreak the LLDB testsuite.

This patch fixes three problems with the original implementation:
- Use SILBuilderWithScope instead of SILBuilder to avoid holes in the
  lexical scopes.
- Use an artificial location for stores to the alloca to avoid the debugger
  stopping before the variable is initialized.
- Recognize debug_value_addr instructions referring to an alloc_stack
  instruction to avoid introducing an extra indirection in the debug info.

rdar://problem/31975108

2017-12-02 16:48:34 -08:00

676 B

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