LLVM: get_module_identifer and set_module_identifier were introduced in LLVM 3.9

Ary Borenszweig · Ary Borenszweig · commit c60df09b5082 · 2017-02-13T13:21:48.000-03:00
diff --git a/src/llvm/context.cr b/src/llvm/context.cr
@@ -8,7 +8,11 @@ class LLVM::Context
   end
 
   def new_module(name : String) : Module
-    Module.new(LibLLVM.module_create_with_name_in_context(name, self), self)
+    {% if LibLLVM::IS_38 || LibLLVM::IS_36 || LibLLVM::IS_35 %}
+      Module.new(LibLLVM.module_create_with_name_in_context(name, self), name, self)
+    {% else %}
+      Module.new(LibLLVM.module_create_with_name_in_context(name, self), self)
+    {% end %}
   end
 
   def new_builder : Builder
@@ -97,7 +101,11 @@ class LLVM::Context
     if ret != 0 && msg
       raise LLVM.string_and_dispose(msg)
     end
-    Module.new(mod, self)
+    {% if LibLLVM::IS_38 || LibLLVM::IS_36 || LibLLVM::IS_35 %}
+      Module.new(mod, "unknown", self)
+    {% else %}
+      Module.new(mod, self)
+    {% end %}
   end
 
   def ==(other : self)
diff --git a/src/llvm/lib_llvm.cr b/src/llvm/lib_llvm.cr
@@ -318,15 +318,16 @@ lib LibLLVM
     fun add_attribute_at_index = LLVMAddAttributeAtIndex(f : ValueRef, idx : AttributeIndex, a : AttributeRef)
     fun get_enum_attribute_at_index = LLVMGetEnumAttributeAtIndex(f : ValueRef, idx : AttributeIndex, kind_id : UInt) : AttributeRef
     fun add_call_site_attribute = LLVMAddCallSiteAttribute(f : ValueRef, idx : AttributeIndex, value : AttributeRef)
+
+    fun get_module_identifier = LLVMGetModuleIdentifier(m : ModuleRef, len : LibC::SizeT*) : UInt8*
+    fun set_module_identifier = LLVMSetModuleIdentifier(m : ModuleRef, ident : UInt8*, len : LibC::SizeT)
   {% end %}
 
   fun get_module_context = LLVMGetModuleContext(m : ModuleRef) : ContextRef
   fun get_global_parent = LLVMGetGlobalParent(global : ValueRef) : ModuleRef
 
   fun create_memory_buffer_with_contents_of_file = LLVMCreateMemoryBufferWithContentsOfFile(path : UInt8*, out_mem_buf : MemoryBufferRef*, out_message : UInt8**) : Int32
   fun parse_ir_in_context = LLVMParseIRInContext(context : ContextRef, mem_buf : MemoryBufferRef, out_m : ModuleRef*, out_message : UInt8**) : Int32
-  fun get_module_identifier = LLVMGetModuleIdentifier(m : ModuleRef, len : LibC::SizeT*) : UInt8*
-  fun set_module_identifier = LLVMSetModuleIdentifier(m : ModuleRef, ident : UInt8*, len : LibC::SizeT)
   fun context_dispose = LLVMContextDispose(ContextRef)
 
   fun void_type_in_context = LLVMVoidTypeInContext(ContextRef) : TypeRef
diff --git a/src/llvm/module.cr b/src/llvm/module.cr
@@ -6,18 +6,28 @@ class LLVM::Module
 
   getter context : Context
 
-  def initialize(@unwrap : LibLLVM::ModuleRef, @context : Context)
-    @owned = false
-  end
+  {% if LibLLVM::IS_38 || LibLLVM::IS_36 || LibLLVM::IS_35 %}
+    def initialize(@unwrap : LibLLVM::ModuleRef, @name : String, @context : Context)
+      @owned = false
+    end
 
-  def name : String
-    bytes = LibLLVM.get_module_identifier(self, out bytesize)
-    String.new(Slice.new(bytes, bytesize))
-  end
+    def name : String
+      @name
+    end
+  {% else %}
+    def initialize(@unwrap : LibLLVM::ModuleRef, @context : Context)
+      @owned = false
+    end
 
-  def name=(name : String)
-    LibLLVM.set_module_identifier(self, name, name.bytesize)
-  end
+    def name : String
+      bytes = LibLLVM.get_module_identifier(self, out bytesize)
+      String.new(Slice.new(bytes, bytesize))
+    end
+
+    def name=(name : String)
+      LibLLVM.set_module_identifier(self, name, name.bytesize)
+    end
+  {% end %}
 
   def target=(target)
     LibLLVM.set_target(self, target)
