[CMake] Add missing dependency in llvm Support unittests

Casting.cpp in llvm unittests includes "llvm/IR/User.h" which depends on
intrinsic_gen if using module because it needs to build IR module including
`Attributes.h`.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D153048

diff --git a/llvm/unittests/Support/CMakeLists.txt b/llvm/unittests/Support/CMakeLists.txt
index 016f5e1..9c2c62b 100644 (file)
--- a/llvm/unittests/Support/CMakeLists.txt
+++ b/llvm/unittests/Support/CMakeLists.txt
@@ -103,6 +103,9 @@ add_llvm_unittest(SupportTests
   raw_pwrite_stream_test.cpp
   raw_sha1_ostream_test.cpp
   xxhashTest.cpp
+
+  DEPENDS
+  intrinsics_gen
   )
 
 target_link_libraries(SupportTests PRIVATE LLVMTestingSupport)