mirror of https://github.com/llvm/torch-mlir
2846776897
This patch makes a few small, but key, changes to enable ccache on Windows. First, it replaces the hendrikmuhs/ccache-action action with command line invocations to the ccache binary, since the action has two bugs, one of which causes CI to refer to different ccache artifacts before versus after the build on Windows whereas the other bug can sometimes cause the action to incorrectly infer that the cache is empty. Second, this patch slightly alters the cache key, so that our old cache artifacts, which have grown too big, are eventually discarded in favor of the new, smaller cache artifacts. Along the way, this patch also keeps the RollPyTorch's cache artifact separate from the regular build's cache artifact so as to keep these artifacts small, and also because the RollPyTorch action is off the critical path for most contributors. Finally, this patch makes small changes to the CMake file so that on Windows, the ccache binary is added as a prefix, as recommended on the [ccache Wiki](https://github.com/ccache/ccache/wiki/MS-Visual-Studio). |
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