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74082f0d6f
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/51749 Following in the mode of C++, we probably want to distinguish when it's appropriate to do arithmetic vs. logical right shift. > For negative a, the value of a >> b is implementation-defined (in most > implementations, this performs arithmetic right shift, so that the result > remains negative). If you look at what clang does, if `a` is unsigned, a logical shift is generated; if signed, an arithmetic shift. Let's do the same here. This turns out to be useful for, e.g., implementing transcendental function approximations. ghstack-source-id: 121366317 Test Plan: Added Byte (unsigned) and Char (signed) right-shift tests to test_llvm. Reviewed By: asuhan Differential Revision: D26245856 fbshipit-source-id: 260ee9bf4b032b9ce216f89acbc273cde0ed688c |
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