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The function ssa_name_has_boolean_range looks at the nonzero bits stored in SSA_NAME_RANGE_INFO. These are global in nature and are the result of a previous evrp/VRP run (technically other passes can also set them). However, we can do better if we use get_range_query. Doing so will use a ranger if enabled in a pass, or global ranges otherwise. The call to get_nonzero_bits remains, as there are passes that will set them independently of the global range info. Tested on x86-64 Linux with a regstrap as well as in a DOM environment using an on-demand ranger instead of evrp. gcc/ChangeLog: * tree-ssanames.c (ssa_name_has_boolean_range): Use get_range_query. |
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| c++tools | ||
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