mirror of
https://github.com/danog/ir.git
synced 2024-11-30 04:39:43 +01:00
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#include "ir.h"
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#include "ir_private.h"
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void ir_save(ir_ctx *ctx, FILE *f)
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{
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ir_ref i, j, n, ref, *p;
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ir_insn *insn;
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uint32_t flags;
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bool first;
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fprintf(f, "{\n");
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for (i = IR_UNUSED + 1, insn = ctx->ir_base - i; i < ctx->consts_count; i++, insn--) {
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fprintf(f, "\t%s c_%d = ", ir_type_cname[insn->type], i);
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if (insn->op == IR_FUNC) {
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fprintf(f, "func(%s)", ir_get_str(ctx, insn->val.addr));
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} else {
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ir_print_const(ctx, insn, f);
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}
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fprintf(f, ";\n");
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}
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for (i = IR_UNUSED + 1, insn = ctx->ir_base + i; i < ctx->insns_count;) {
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flags = ir_op_flags[insn->op];
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if (flags & IR_OP_FLAG_CONTROL) {
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if (!(flags & IR_OP_FLAG_MEM) || insn->type == IR_VOID) {
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fprintf(f, "\tl_%d = ", i);
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} else {
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fprintf(f, "\t%s d_%d, l_%d = ", ir_type_cname[insn->type], i, i);
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}
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} else {
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fprintf(f, "\t");
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if (flags & IR_OP_FLAG_DATA) {
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fprintf(f, "%s d_%d = ", ir_type_cname[insn->type], i);
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}
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}
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fprintf(f, "%s", ir_op_name[insn->op]);
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n = ir_operands_count(ctx, insn);
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if (insn->op == IR_MERGE && n != 2) {
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fprintf(f, "/%d", n);
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} else if ((insn->op == IR_CALL || insn->op == IR_TAILCALL) && n != 2) {
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fprintf(f, "/%d", n - 2);
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} else if (insn->op == IR_PHI && n != 3) {
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fprintf(f, "/%d", n - 1);
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}
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first = 1;
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for (j = 1, p = insn->ops + 1; j <= n; j++, p++) {
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uint32_t opnd_kind = IR_OPND_KIND(flags, j);
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ref = *p;
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if (ref) {
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switch (opnd_kind) {
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case IR_OPND_DATA:
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case IR_OPND_VAR:
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if (IR_IS_CONST_REF(ref)) {
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fprintf(f, "%sc_%d", first ? "(" : ", ", -ref);
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} else {
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fprintf(f, "%sd_%d", first ? "(" : ", ", ref);
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}
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first = 0;
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break;
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case IR_OPND_CONTROL:
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case IR_OPND_CONTROL_DEP:
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case IR_OPND_CONTROL_REF:
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fprintf(f, "%sl_%d", first ? "(" : ", ", ref);
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first = 0;
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break;
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case IR_OPND_STR:
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fprintf(f, "%s\"%s\"", first ? "(" : ", ", ir_get_str(ctx, ref));
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first = 0;
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break;
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case IR_OPND_PROB:
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if (ref == 0) {
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break;
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}
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case IR_OPND_NUM:
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fprintf(f, "%s%d", first ? "(" : ", ", ref);
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first = 0;
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break;
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}
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} else if (opnd_kind == IR_OPND_NUM) {
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fprintf(f, "%s%d", first ? "(" : ", ", ref);
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first = 0;
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}
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}
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n = 1 + (n >> 2); // support for multi-word instructions like MERGE and PHI
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i += n;
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insn += n;
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fprintf(f, "%s;\n", first ? "" : ")");
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}
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fprintf(f, "}\n");
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}
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