This series removes an early simplification of casts during evaluation which was wrong in some contexts (for example when applied to a bool) but adds the equivalent optimization back at simplification where it can be safely done at IR level. Luc Van Oostenryck (3): add testcases for simplification of casts. simplify TRUNC(NOT(x)) --> NOT(TRUNC(x)) remove early simplification of casts during evaluation evaluate.c | 44 +------------------------------- simplify.c | 15 +++++++++++ validation/eval/not-cast-bool.c | 14 ++++++++++ validation/eval/not-cast-float.c | 14 ++++++++++ validation/optim/and-extendx.c | 24 ----------------- validation/optim/trunc-not0.c | 20 +++++++++++++++ 6 files changed, 64 insertions(+), 67 deletions(-) create mode 100644 validation/eval/not-cast-bool.c create mode 100644 validation/eval/not-cast-float.c delete mode 100644 validation/optim/and-extendx.c create mode 100644 validation/optim/trunc-not0.c base-commit: eb4cdd21b7d0cedbbeff7f70e24473706ccce5a6 -- 2.31.1
