1bc58a258e
This change modifies `getBackwardSlice` to track values captures by the regions of each operation that it traverses. Ignoring values captured from a parent region may lead to an incomplete program slice. However, there seems to be logic that depends on not traversing captured values, so this change preserves the default behavior by hiding this logic behind the `omitUsesFromAbove` flag.
The LLVM Compiler Infrastructure
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