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Posted to commits@tvm.apache.org by GitBox <gi...@apache.org> on 2022/01/06 18:45:36 UTC
[GitHub] [tvm] Lunderberg opened a new pull request #9857: [LLVM] LLVM codegen debug utilities
Lunderberg opened a new pull request #9857:
URL: https://github.com/apache/tvm/pull/9857
A few debug utilities that were needed while debugging a segfault that occurred within generated LLVM code, and may be more broadly applicable.
* Set variable names in LLVM IR to match those present in TIR. Used for let-bindings, loop iteration variables,
* Set LLVM block names based on those present in TIR. (e.g. `for_body_x.outer` instead of `for_body`)
* Utility function `CreatePrintf` for inserting a `printf()` call into the generated LLVM IR.
* Utility function `CreateLookupReturnAddress`, to check the return address of the current function call. This is useful when debugging buffer overruns that overwrite stack frames.
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[GitHub] [tvm] Lunderberg commented on pull request #9857: [LLVM] LLVM codegen debug utilities
Posted by GitBox <gi...@apache.org>.
Lunderberg commented on pull request #9857:
URL: https://github.com/apache/tvm/pull/9857#issuecomment-1006829847
@mbrookhart
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[GitHub] [tvm] masahi merged pull request #9857: [LLVM] LLVM codegen debug utilities
Posted by GitBox <gi...@apache.org>.
masahi merged pull request #9857:
URL: https://github.com/apache/tvm/pull/9857
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[GitHub] [tvm] masahi merged pull request #9857: [LLVM] LLVM codegen debug utilities
Posted by GitBox <gi...@apache.org>.
masahi merged pull request #9857:
URL: https://github.com/apache/tvm/pull/9857
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