This series fixes two problems relatd to phi-sources: 1) fix and improve the check that protects try_to_simplify_bb() 2) fix remove_merging_phisrc() which couldn't handle the case where there is several CFG edges between two basic blocks. Luc Van Oostenryck (4): additional testcase for remove_merging_phisrc() correctly count phi arguments better check validity of phi-sources fix remove_merging_phisrc() flow.c | 53 ++++++++++++++++++++++++++------- validation/optim/multi-phisrc.c | 23 ++++++++++++++ validation/optim/phi-count00.c | 27 +++++++++++++++++ 3 files changed, 92 insertions(+), 11 deletions(-) create mode 100644 validation/optim/multi-phisrc.c create mode 100644 validation/optim/phi-count00.c -- 2.31.1
