From fa01e206c87581186f64f4500f926cdb70549de0 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 29 Nov 2021 13:19:57 +0100 Subject: Remove more stray returns and gcc_unreachable ()s This removes more cases that appear when bootstrap with -Wunreachable-code-return progresses. 2021-11-29 Richard Biener * config/i386/i386.c (ix86_shift_rotate_cost): Remove unreachable return. * tree-chrec.c (evolution_function_is_invariant_rec_p): Likewise. * tree-if-conv.c (if_convertible_stmt_p): Likewise. * tree-ssa-pre.c (fully_constant_expression): Likewise. * tree-vrp.c (operand_less_p): Likewise. * reload.c (reg_overlap_mentioned_for_reload_p): Remove unreachable gcc_unreachable (). * sel-sched-ir.h (bb_next_bb): Likewise. * varasm.c (compare_constant): Likewise. gcc/cp/ * logic.cc (cnf_size_r): Remove unreachable and inconsistently placed gcc_unreachable ()s. * pt.c (iterative_hash_template_arg): Remove unreachable gcc_unreachable and return. gcc/fortran/ * target-memory.c (gfc_element_size): Remove unreachable return. gcc/objc/ * objc-act.c (objc_build_setter_call): Remove unreachable return. libcpp/ * charset.c (convert_escape): Remove unreachable break. --- gcc/tree-ssa-pre.c | 1 - 1 file changed, 1 deletion(-) (limited to 'gcc/tree-ssa-pre.c') diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 0669aaa..a49f87f 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1234,7 +1234,6 @@ fully_constant_expression (pre_expr e) default: return e; } - return e; } /* Translate the VUSE backwards through phi nodes in E->dest, so that -- cgit v1.1