forked from gcc/gcc-TEST
TEST repository for https://forge.sourceware.org/ experimenting.
29d8f1f0b7
PR 117142 shows that the current SRA probably never worked reliably with arguments passed to a function returning twice, because it then creates statements before the call which however needs to be at the beginning of a basic block. While it should be possible to make at least the case of passing arguments by value work with SRA (the statements would need to be put just on the non-abnormal edges leading to the BB), this would mean large surgery of function sra_modify_expr and I guess the time would better be spent re-organizing the whole pass. gcc/ChangeLog: 2024-10-21 Martin Jambor <mjambor@suse.cz> PR tree-optimization/117142 * tree-sra.cc (build_access_from_call_arg): Disqualify any candidate passed to a function returning twice. gcc/testsuite/ChangeLog: 2024-10-21 Martin Jambor <mjambor@suse.cz> PR tree-optimization/117142 * gcc.dg/tree-ssa/pr117142.c: New test. |
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