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...ow is my proposed design and implementation to fully support SEH on LLVM. I have completely implemented this design on a branch in repo: https://github.com/tentzen/llvm-project<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Ftentzen%2Fllvm-project&data=02%7C01%7Ctentzen%40microsoft.com%7Ced638e497aa74798b3f808d7d5e46775%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637213049272295023&sdata=Pd6gK%2B7JsIlfcyJLB%2FajWKdrbgqsITsseBfeB2Z5lgg%3D&reserved=0>. It now passes MSVC's in-house SEH suite. Sorry for this long write-up. For better readability, pl...

.... The call.setup proposal I sent not long ago runs into the same issue. I have written a patch to tail merge such similar blocks, but I have not landed it: https://reviews.llvm.org/D29428<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freviews.llvm.org%2FD29428&data=02%7C01%7Ctentzen%40microsoft.com%7Cac3ebdd6804a46bedefd08d7d852ac14%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637215721902320037&sdata=gnc5zhiNpq1Cv2Of0VSl7nwcS8F6uPBprFT4ffQgDx0%3D&reserved=0> Even though it's not yet landed, I think we need to know if the transform is valid. If it is, then we ne...

...I don't want to add another way for unmodeled control flow to break code. (See also http://nondot.org/sabre/LLVMNotes/ExceptionHandlingChanges.txt<https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fnondot.org%2Fsabre%2FLLVMNotes%2FExceptionHandlingChanges.txt&data=02%7C01%7Ctentzen%40microsoft.com%7C74401eb45f3f4482e7ee08d7d67a0cb6%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637213692003044004&sdata=KfCWpmd6xCSNfsfp24DHefEWO9%2FFOnElOJoHnSWBWMI%3D&reserved=0>, for a proposal to make invoke less messy.) -Eli From: llvm-dev <llvm-dev-bounces at lists.llvm.org&l...

...a testcase for the register allocation issues I mentioned before is hard because it’s sort of “random” based on the register allocation heuristics, but see https://reviews.llvm.org/D77767<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freviews.llvm.org%2FD77767&data=02%7C01%7Ctentzen%40microsoft.com%7C334ed759562941d3f2ba08d7e194d0d6%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637225901600853320&sdata=hTvtxO9OVy3fwzqX2EfLRb76Qb%2ByDlmdTHHLvuIrupQ%3D&reserved=0> for the sort of issues that come up. Note that we mark setjmp returns_twice, which turns off certain opti...

...a testcase for the register allocation issues I mentioned before is hard because it’s sort of “random” based on the register allocation heuristics, but see https://reviews.llvm.org/D77767<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freviews.llvm.org%2FD77767&data=02%7C01%7Ctentzen%40microsoft.com%7C33176bc44b81431207c808d7e1e5e5d8%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637226249850794040&sdata=M%2B8lCeJRufD5FuQvUqAkn1GwKBNBvm2DV9YDlockYBc%3D&reserved=0> for the sort of issues that come up. Note that we mark setjmp returns_twice, which turns off certain opti...

.... The call.setup proposal I sent not long ago runs into the same issue. I have written a patch to tail merge such similar blocks, but I have not landed it: https://reviews.llvm.org/D29428<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Freviews.llvm.org%2FD29428&data=02%7C01%7Ctentzen%40microsoft.com%7Cac3ebdd6804a46bedefd08d7d852ac14%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637215721902320037&sdata=gnc5zhiNpq1Cv2Of0VSl7nwcS8F6uPBprFT4ffQgDx0%3D&reserved=0> Even though it's not yet landed, I think we need to know if the transform is valid. If it is, then we ne...

...ow is my proposed design and implementation to fully support SEH on LLVM. I have completely implemented this design on a branch in repo: https://github.com/tentzen/llvm-project<https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Ftentzen%2Fllvm-project&data=02%7C01%7Ctentzen%40microsoft.com%7Ced638e497aa74798b3f808d7d5e46775%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637213049272295023&sdata=Pd6gK%2B7JsIlfcyJLB%2FajWKdrbgqsITsseBfeB2Z5lgg%3D&reserved=0>. It now passes MSVC's in-house SEH suite. Sorry for this long write-up. For better readability, pl...

...I don't want to add another way for unmodeled control flow to break code. (See also http://nondot.org/sabre/LLVMNotes/ExceptionHandlingChanges.txt<https://nam06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fnondot.org%2Fsabre%2FLLVMNotes%2FExceptionHandlingChanges.txt&data=02%7C01%7Ctentzen%40microsoft.com%7C236f7648ead248c3a15b08d7d69e7980%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637213848450415103&sdata=XQAyvsAhp%2BnRAwq%2F2wYz9S9prC8fs0yWVzgy0RvHlpw%3D&reserved=0>, for a proposal to make invoke less messy.) -Eli From: llvm-dev <llvm-dev-bounces at lists.llvm.org...