[CMake] llc depends on intrinsics_gen

llc.cpp has the following include chain:

llvm/Analysis/TargetLibraryInfo.h
llvm/IR/Function.h
llvm/IR/Argument.h
llvm/IR/Attributes.h
llvm/IR/Attributes.gen

This means llc needs to depend on intrinsics_gen.

llvm-svn: 287422
diff --git a/llvm/tools/llc/CMakeLists.txt b/llvm/tools/llc/CMakeLists.txt
index 136cf4b..5a98122 100644
--- a/llvm/tools/llc/CMakeLists.txt
+++ b/llvm/tools/llc/CMakeLists.txt
@@ -19,5 +19,8 @@
 
 add_llvm_tool(llc
   llc.cpp
+
+  DEPENDS
+  intrinsics_gen
   )
 export_executable_symbols(llc)