ac: add ac_build_s_endpgm

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

src/amd/llvm/ac_llvm_build.c

@@ -4889,3 +4889,9 @@ ac_build_main(const struct ac_shader_args *args,
 	return main_function;
 }
 
+void ac_build_s_endpgm(struct ac_llvm_context *ctx)
+{
+	LLVMTypeRef calltype = LLVMFunctionType(ctx->voidt, NULL, 0, false);
+	LLVMValueRef code = LLVMConstInlineAsm(calltype, "s_endpgm", "", true, false);
+	LLVMBuildCall(ctx->builder, code, NULL, 0, "");
+}

src/amd/llvm/ac_llvm_build.h

@@ -786,6 +786,7 @@ LLVMValueRef ac_build_main(const struct ac_shader_args *args,
 			   enum ac_llvm_calling_convention convention,
 			   const char *name, LLVMTypeRef ret_type,
 			   LLVMModuleRef module);
+void ac_build_s_endpgm(struct ac_llvm_context *ctx);
 
 #ifdef __cplusplus
 }