diff --git a/src/gallium/drivers/lima/ir/pp/compact.c b/src/gallium/drivers/lima/ir/pp/compact.c
new file mode 100644
index 00000000000..63491fa6b58
--- /dev/null
+++ b/src/gallium/drivers/lima/ir/pp/compact.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2025 Lima Project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ppir.h"
+
+static bool instr_has_single_slot(ppir_instr *instr)
+{
+   int count = 0;
+   for (int i = 0; i < PPIR_INSTR_SLOT_NUM; i++) {
+      if (instr->slots[i])
+         count++;
+   }
+
+   if (instr->constant[0].num || instr->constant[1].num)
+      count++;
+
+   return count == 1;
+}
+
+bool ppir_compact_prog(ppir_compiler *comp)
+{
+   list_for_each_entry(ppir_block, block, &comp->block_list, list) {
+      /* Walk block in reverse order.
+       * If current instruction have a single instruction in combiner,
+       * try moving it into previous instruction.
+       */
+      ppir_instr *next_instr = NULL;
+      ppir_node *node = NULL;
+      list_for_each_entry_safe_rev(ppir_instr, instr, &block->instr_list, list) {
+         if (node && !instr->slots[PPIR_INSTR_SLOT_ALU_COMBINE]) {
+            instr->slots[node->instr_pos] = node;
+            list_del(&next_instr->list);
+            comp->cur_instr_index--;
+         }
+         node = NULL;
+         if (instr_has_single_slot(instr)) {
+            if (instr->slots[PPIR_INSTR_SLOT_ALU_COMBINE]) {
+               node = instr->slots[PPIR_INSTR_SLOT_ALU_COMBINE];
+               break;
+            }
+         }
+         next_instr = instr;
+      }
+   }
+
+   return true;
+}
diff --git a/src/gallium/drivers/lima/ir/pp/nir.c b/src/gallium/drivers/lima/ir/pp/nir.c
index 54e208c63ed..beb9c9a591e 100644
--- a/src/gallium/drivers/lima/ir/pp/nir.c
+++ b/src/gallium/drivers/lima/ir/pp/nir.c
@@ -1090,6 +1090,10 @@ bool ppir_compile_nir(struct lima_fs_compiled_shader *prog, struct nir_shader *n
    if (!ppir_regalloc_prog(comp))
       goto err_out0;
 
+   /* all the deps are invalid after compacting */
+   if (!ppir_compact_prog(comp))
+      goto err_out0;
+
    if (!ppir_codegen_prog(comp))
       goto err_out0;
 
diff --git a/src/gallium/drivers/lima/ir/pp/ppir.h b/src/gallium/drivers/lima/ir/pp/ppir.h
index 5766059a6fd..ee4e49ae77c 100644
--- a/src/gallium/drivers/lima/ir/pp/ppir.h
+++ b/src/gallium/drivers/lima/ir/pp/ppir.h
@@ -772,6 +772,7 @@ bool ppir_lower_prog(ppir_compiler *comp);
 bool ppir_node_to_instr(ppir_compiler *comp);
 bool ppir_schedule_prog(ppir_compiler *comp);
 bool ppir_regalloc_prog(ppir_compiler *comp);
+bool ppir_compact_prog(ppir_compiler *comp);
 bool ppir_codegen_prog(ppir_compiler *comp);
 void ppir_liveness_analysis(ppir_compiler *comp);
 bool ppir_opt_prog(ppir_compiler *comp);
diff --git a/src/gallium/drivers/lima/meson.build b/src/gallium/drivers/lima/meson.build
index c74b84b0314..60c52530732 100644
--- a/src/gallium/drivers/lima/meson.build
+++ b/src/gallium/drivers/lima/meson.build
@@ -28,6 +28,7 @@ files_lima = files(
   'ir/pp/node_to_instr.c',
   'ir/pp/disasm.c',
   'ir/pp/opt.c',
+  'ir/pp/compact.c',
 
   'ir/lima_nir_duplicate_consts.c',
   'ir/lima_nir_duplicate_intrinsic.c',