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Previously we assumed `rethrow`'s argument was always 0, but it turned out `rethrow` follows the same rule with `br` or `delegate`: https://github.com/WebAssembly/exception-handling/pull/137 https://github.com/WebAssembly/exception-handling/issues/146#issuecomment-777349038 Currently `rethrow`s generated by our backend always rethrow the exception caught by the innermost enclosing catch, so this adds a function to compute that and replaces `rethrow`'s argument with its computed result. This also renames `EHPadStack` in `InstPrinter` to `TryStack`, because in CFGStackify we use `EHPadStack` to mean the range between `catch`~`end`, while in `InstPrinter` we used it to mean the range between `try`~`catch`, so choosing different names would look clearer. Doesn't contain any functional changes in `InstPrinter`. Reviewed By: dschuff Differential Revision: https://reviews.llvm.org/D96595 |
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| llvm.spec.in | ||
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| RELEASE_TESTERS.TXT | ||
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