+
+void
+ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx, bool falsedeps)
+{
+ /* We could do this in a single pass if we can assume instructions
+ * are always sorted. Which currently might not always be true.
+ * (In particular after ir3_group pass, but maybe other places.)
+ */
+ foreach_block (block, &ir->block_list)
+ foreach_instr (instr, &block->instr_list)
+ instr->uses = NULL;
+
+ foreach_block (block, &ir->block_list) {
+ foreach_instr (instr, &block->instr_list) {
+ foreach_ssa_src_n (src, n, instr) {
+ if (__is_false_dep(instr, n) && !falsedeps)
+ continue;
+ if (!src->uses)
+ src->uses = _mesa_pointer_set_create(mem_ctx);
+ _mesa_set_add(src->uses, instr);
+ }
+ }
+ }
+}
+
+/**
+ * Set the destination type of an instruction, for example if a
+ * conversion is folded in, handling the special cases where the
+ * instruction's dest type or opcode needs to be fixed up.
+ */
+void
+ir3_set_dst_type(struct ir3_instruction *instr, bool half)
+{
+ if (half) {
+ instr->regs[0]->flags |= IR3_REG_HALF;
+ } else {
+ instr->regs[0]->flags &= ~IR3_REG_HALF;
+ }
+
+ switch (opc_cat(instr->opc)) {
+ case 1: /* move instructions */
+ if (half) {
+ instr->cat1.dst_type = half_type(instr->cat1.dst_type);
+ } else {
+ instr->cat1.dst_type = full_type(instr->cat1.dst_type);
+ }
+ break;
+ case 4:
+ if (half) {
+ instr->opc = cat4_half_opc(instr->opc);
+ } else {
+ instr->opc = cat4_full_opc(instr->opc);
+ }
+ break;
+ case 5:
+ if (half) {
+ instr->cat5.type = half_type(instr->cat5.type);
+ } else {
+ instr->cat5.type = full_type(instr->cat5.type);
+ }
+ break;
+ }
+}
+
+/**
+ * One-time fixup for instruction src-types. Other than cov's that
+ * are folded, an instruction's src type does not change.
+ */
+void
+ir3_fixup_src_type(struct ir3_instruction *instr)
+{
+ bool half = !!(instr->regs[1]->flags & IR3_REG_HALF);
+
+ switch (opc_cat(instr->opc)) {
+ case 1: /* move instructions */
+ if (half) {
+ instr->cat1.src_type = half_type(instr->cat1.src_type);
+ } else {
+ instr->cat1.src_type = full_type(instr->cat1.src_type);
+ }
+ break;
+ case 3:
+ if (half) {
+ instr->opc = cat3_half_opc(instr->opc);
+ } else {
+ instr->opc = cat3_full_opc(instr->opc);
+ }
+ break;
+ }
+}