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Support for multiple ENTRY

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This commit is contained in:
Dmitry Stogov 2022-06-21 13:56:29 +03:00
parent cb64f578eb
commit 88b66a77cd
1 changed files with 5 additions and 0 deletions
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5
ir_sccp.c
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@ -401,6 +401,11 @@ int ir_sccp(ir_ctx *ctx)
/* A bit modified SCCP algorith of M. N. Wegman and F. K. Zadeck */
ir_bitset_incl(worklist, 1);
i = ctx->ir_base[1].op2;
while (i) {
ir_bitset_incl(worklist, i);
i = ctx->ir_base[i].op2;
}
while ((i = ir_bitset_pop_first(worklist, len)) >= 0) {
insn = &ctx->ir_base[i];
flags = ir_op_flags[insn->op];