diff --git a/src/amd/compiler/aco_dead_code_analysis.cpp b/src/amd/compiler/aco_dead_code_analysis.cpp
index d558b688030..4555be58947 100644
--- a/src/amd/compiler/aco_dead_code_analysis.cpp
+++ b/src/amd/compiler/aco_dead_code_analysis.cpp
@@ -80,18 +80,6 @@ process_block(dce_ctx& ctx, Block& block)
 
 } /* end namespace */
 
-bool
-is_dead(const std::vector<uint16_t>& uses, Instruction* instr)
-{
-   if (instr->definitions.empty() || instr->isBranch() ||
-       instr->opcode == aco_opcode::p_init_scratch)
-      return false;
-   if (std::any_of(instr->definitions.begin(), instr->definitions.end(),
-                   [&uses](const Definition& def) { return !def.isTemp() || uses[def.tempId()]; }))
-      return false;
-   return !(get_sync_info(instr).semantics & (semantic_volatile | semantic_acqrel));
-}
-
 std::vector<uint16_t>
 dead_code_analysis(Program* program)
 {
diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index 2b0b4321a31..64a515e1690 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -33,6 +33,7 @@
 
 #include "nir.h"
 
+#include <algorithm>
 #include <bitset>
 #include <memory>
 #include <vector>
@@ -1851,7 +1852,19 @@ is_phi(aco_ptr<Instruction>& instr)
 
 memory_sync_info get_sync_info(const Instruction* instr);
 
-bool is_dead(const std::vector<uint16_t>& uses, Instruction* instr);
+inline bool
+is_dead(const std::vector<uint16_t>& uses, const Instruction* instr)
+{
+   if (instr->definitions.empty() || instr->isBranch() ||
+       instr->opcode == aco_opcode::p_init_scratch)
+      return false;
+
+   if (std::any_of(instr->definitions.begin(), instr->definitions.end(),
+                   [&uses](const Definition& def) { return !def.isTemp() || uses[def.tempId()]; }))
+      return false;
+
+   return !(get_sync_info(instr).semantics & (semantic_volatile | semantic_acqrel));
+}
 
 bool can_use_opsel(amd_gfx_level gfx_level, aco_opcode op, int idx);
 bool instr_is_16bit(amd_gfx_level gfx_level, aco_opcode op);