36d7d1ee4e
instruction labels descriptor blocks refer to; this allows csa and csb to know where they're going.
42 lines
746 B
C
42 lines
746 B
C
#include "mcg.h"
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static void init_idf();
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static struct idf* str2idf(char* tg, int cp);
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#define IDF_TYPE struct basicblock*
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#define IDF_NAME block
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#include <idf_pkg.spec>
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#include <idf_pkg.body>
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static int next_id = 0;
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void bb_init(void)
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{
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init_idf();
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}
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struct basicblock* bb_get(const char* name)
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{
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struct idf* p;
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if (!name)
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name = aprintf("___anon_bb_%d", next_id++);
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p = str2idf((char*) name, 0);
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if (!p->block)
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{
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p->block = calloc(sizeof(struct basicblock), 1);
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p->block->name = name;
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}
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return p->block;
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}
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void bb_alias(struct basicblock* block, const char* name)
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{
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struct idf* p = str2idf((char*) name, -1);
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assert(p == NULL);
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p = str2idf((char*) name, 0);
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p->block = block;
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}
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/* vim: set sw=4 ts=4 expandtab : */
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