aco: propagate temporaries into expanded vectors

Gives a very slight decrease in code size:
Totals from affected shaders:
Code Size: 1708488 -> 1702768 (-0.33 %) bytes
Max Waves: 2858 -> 2855 (-0.10 %)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>

diff --git a/src/amd/compiler/aco_optimizer.cpp b/src/amd/compiler/aco_optimizer.cpp
index 66f4db8ce0790325a916e3d43fe0ef22f2f9e1e3..ceecc0f34e4477bdd4841e86c30efa3dd794160b 100644 (file)
--- a/src/amd/compiler/aco_optimizer.cpp
+++ b/src/amd/compiler/aco_optimizer.cpp
@@ -777,8 +777,13 @@ void label_instruction(opt_ctx &ctx, Block& block, aco_ptr<Instruction>& instr)
          unsigned k = 0;
          for (Operand& old_op : old_vec->operands) {
             if (old_op.isTemp() && ctx.info[old_op.tempId()].is_vec()) {
-               for (unsigned j = 0; j < ctx.info[old_op.tempId()].instr->operands.size(); j++)
-                  instr->operands[k++] = ctx.info[old_op.tempId()].instr->operands[j];
+               for (unsigned j = 0; j < ctx.info[old_op.tempId()].instr->operands.size(); j++) {
+                  Operand op = ctx.info[old_op.tempId()].instr->operands[j];
+                  if (op.isTemp() && ctx.info[op.tempId()].is_temp() &&
+                      ctx.info[op.tempId()].temp.type() == instr->definitions[0].regClass().type())
+                     op.setTemp(ctx.info[op.tempId()].temp);
+                  instr->operands[k++] = op;
+               }
             } else {
                instr->operands[k++] = old_op;
             }