On Thu, Aug 13, 2026 at 9:18 AM Kael Andrew Alonzo Franco <[email protected]> wrote: > > This is dead since COND_EXPR is always a SSA_NAME or a constant. > > Bootstrapped and regtested on x86_64-pc-linux-gnu. > > PR tree-optimization/120477 > > gcc/ChangeLog: > > * tree-ssa-math-opts.cc (arith_overflow_check_p): Remove dead code.
Ok. > > Signed-off-by: Kael Andrew Franco <[email protected]> > --- > gcc/tree-ssa-math-opts.cc | 12 ------------ > 1 file changed, 12 deletions(-) > > diff --git a/gcc/tree-ssa-math-opts.cc b/gcc/tree-ssa-math-opts.cc > index 0df1909ebc4..2895229d2d1 100644 > --- a/gcc/tree-ssa-math-opts.cc > +++ b/gcc/tree-ssa-math-opts.cc > @@ -3964,18 +3964,6 @@ arith_overflow_check_p (gimple *stmt, gimple > *cast_stmt, gimple *&use_stmt, > crhs1 = gimple_assign_rhs1 (cur_use_stmt); > crhs2 = gimple_assign_rhs2 (cur_use_stmt); > } > - else if (gimple_assign_rhs_code (cur_use_stmt) == COND_EXPR) > - { > - tree cond = gimple_assign_rhs1 (cur_use_stmt); > - if (COMPARISON_CLASS_P (cond)) > - { > - ccode = TREE_CODE (cond); > - crhs1 = TREE_OPERAND (cond, 0); > - crhs2 = TREE_OPERAND (cond, 1); > - } > - else > - return 0; > - } > else > return 0; > } > -- > 2.55.0 >
