diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h
index 7a163a73..fce51ada 100644
--- a/libs/vkd3d-shader/hlsl.h
+++ b/libs/vkd3d-shader/hlsl.h
@@ -1629,9 +1629,6 @@ int d3dbc_compile(struct vsir_program *program, uint64_t config_flags,
         const struct vkd3d_shader_compile_info *compile_info, const struct vkd3d_shader_code *ctab,
         struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context);
 
-bool hlsl_sm4_register_from_semantic(const struct vkd3d_shader_version *version,
-        const struct hlsl_semantic *semantic, bool output, enum vkd3d_shader_register_type *type, bool *has_idx);
-
 int tpf_compile(struct vsir_program *program, uint64_t config_flags,
         struct vkd3d_shader_code *out, struct vkd3d_shader_message_context *message_context,
         struct hlsl_ctx *ctx, struct hlsl_ir_function_decl *entry_func);
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index d36c0cc0..42ede1c1 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -5225,7 +5225,7 @@ static void allocate_semantic_register(struct hlsl_ctx *ctx, struct hlsl_ir_var
             return;
         }
 
-        if ((builtin = hlsl_sm4_register_from_semantic(&version, &var->semantic, output, &type, &has_idx)))
+        if ((builtin = sm4_register_from_semantic_name(&version, var->semantic.name, output, &type, &has_idx)))
             reg = has_idx ? var->semantic.index : 0;
     }
 
@@ -6306,7 +6306,7 @@ static void generate_vsir_signature_entry(struct hlsl_ctx *ctx,
         if (sysval == ~0u)
             return;
 
-        if (hlsl_sm4_register_from_semantic(&program->shader_version, &var->semantic, output, &type, &has_idx))
+        if (sm4_register_from_semantic_name(&program->shader_version, var->semantic.name, output, &type, &has_idx))
         {
             register_index = has_idx ? var->semantic.index : ~0u;
         }
diff --git a/libs/vkd3d-shader/tpf.c b/libs/vkd3d-shader/tpf.c
index 666c7b49..f63c3f6a 100644
--- a/libs/vkd3d-shader/tpf.c
+++ b/libs/vkd3d-shader/tpf.c
@@ -2997,8 +2997,8 @@ static bool type_is_integer(const struct hlsl_type *type)
     }
 }
 
-bool hlsl_sm4_register_from_semantic(const struct vkd3d_shader_version *version,
-        const struct hlsl_semantic *semantic, bool output, enum vkd3d_shader_register_type *type, bool *has_idx)
+bool sm4_register_from_semantic_name(const struct vkd3d_shader_version *version,
+        const char *semantic_name, bool output, enum vkd3d_shader_register_type *type, bool *has_idx)
 {
     unsigned int i;
 
@@ -3030,7 +3030,7 @@ bool hlsl_sm4_register_from_semantic(const struct vkd3d_shader_version *version,
 
     for (i = 0; i < ARRAY_SIZE(register_table); ++i)
     {
-        if (!ascii_strcasecmp(semantic->name, register_table[i].semantic)
+        if (!ascii_strcasecmp(semantic_name, register_table[i].semantic)
                 && output == register_table[i].output
                 && version->type == register_table[i].shader_type)
         {
@@ -4125,7 +4125,7 @@ static void sm4_register_from_deref(const struct tpf_compiler *tpf, struct vkd3d
     {
         bool has_idx;
 
-        if (hlsl_sm4_register_from_semantic(version, &var->semantic, false, &reg->type, &has_idx))
+        if (sm4_register_from_semantic_name(version, var->semantic.name, false, &reg->type, &has_idx))
         {
             unsigned int offset = hlsl_offset_from_deref_safe(ctx, deref);
 
@@ -4154,7 +4154,7 @@ static void sm4_register_from_deref(const struct tpf_compiler *tpf, struct vkd3d
     {
         bool has_idx;
 
-        if (hlsl_sm4_register_from_semantic(version, &var->semantic, true, &reg->type, &has_idx))
+        if (sm4_register_from_semantic_name(version, var->semantic.name, true, &reg->type, &has_idx))
         {
             unsigned int offset = hlsl_offset_from_deref_safe(ctx, deref);
 
@@ -4721,7 +4721,7 @@ static void write_sm4_dcl_semantic(const struct tpf_compiler *tpf, const struct
         .dst_count = 1,
     };
 
-    if (hlsl_sm4_register_from_semantic(version, &var->semantic, output, &instr.dsts[0].reg.type, &has_idx))
+    if (sm4_register_from_semantic_name(version, var->semantic.name, output, &instr.dsts[0].reg.type, &has_idx))
     {
         if (has_idx)
         {
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 2df42c9b..4808eea1 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -1606,6 +1606,8 @@ bool sm1_register_from_semantic_name(const struct vkd3d_shader_version *version,
         unsigned int semantic_index, bool output, enum vkd3d_shader_register_type *type, unsigned int *reg);
 bool sm1_usage_from_semantic_name(const char *semantic_name,
         uint32_t semantic_index, enum vkd3d_decl_usage *usage, uint32_t *usage_idx);
+bool sm4_register_from_semantic_name(const struct vkd3d_shader_version *version,
+        const char *semantic_name, bool output, enum vkd3d_shader_register_type *type, bool *has_idx);
 bool sm4_sysval_semantic_from_semantic_name(enum vkd3d_shader_sysval_semantic *sysval_semantic,
         const struct vkd3d_shader_version *version,
         bool semantic_compat_mapping, const char *semantic_name, bool output);