https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107920
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #7) > Something like this should fix the issue (note setting the location should > be done also): > diff --git a/gcc/config/aarch64/aarch64-sve-builtins-base.cc > b/gcc/config/aarch64/aarch64-sve-builtins-base.cc > index 6347407555f..d0a0a3a0a46 100644 > --- a/gcc/config/aarch64/aarch64-sve-builtins-base.cc > +++ b/gcc/config/aarch64/aarch64-sve-builtins-base.cc > @@ -1232,6 +1232,15 @@ public: > tree mem_ref_op = fold_build2 (MEM_REF, access_type, arg1, zero); > gimple *mem_ref_stmt > = gimple_build_assign (mem_ref_lhs, mem_ref_op); > + > + // Set the location of load > + gimple_set_location (mem_ref_stmt, gimple_location (f.call)); > + > + // Set the vuse for the load from the call > + tree reaching_vuse = gimple_vuse (f.call); > + gcc_assert (reaching_vuse && TREE_CODE (reaching_vuse) == SSA_NAME); > + gimple_set_vuse (mem_ref_stmt, reaching_vuse); > + > gsi_insert_before (f.gsi, mem_ref_stmt, GSI_SAME_STMT); > > int source_nelts = TYPE_VECTOR_SUBPARTS (access_type).to_constant (); All this should build a sequence of the replacement stmts and then use gsi_replace_with_seq. Note transfering EH will not work during folding since that would require splitting the block. Does the builtin even throw with non-call EH? Why does it throw without?