llvm-project

d1dbb099 - [NFC] Try to unbreak the module builds due to missing `StringRef.h` include in `UniqueBBID.h` (#191877)

[NFC] Try to unbreak the module builds due to missing `StringRef.h` include in `UniqueBBID.h` (#191877) The modules build of LLVM broke when this patch landed ``` commit 2f422a52fde267757ce48041af6e731421fed2a3 Author: Rahman Lavaee <rahmanl@google.com> Date: Fri Apr 10 15:58:16 2026 -0700 [Codegen, X86] Add prefetch insertion based on Propeller profile (#166324) ``` with an error like: ``` [2026-04-11T10:33:41.699Z] While building module 'LLVM_Utils' imported from /Users/ec2-user/jenkins/workspace/m.org_clang-stage2-Rthinlto_main/llvm-project/llvm/lib/Demangle/Demangle.cpp:13: [2026-04-11T10:33:41.699Z] In file included from <module-includes>:321: [2026-04-11T10:33:41.699Z] /Users/ec2-user/jenkins/workspace/m.org_clang-stage2-Rthinlto_main/llvm-project/llvm/include/llvm/Support/UniqueBBID.h:40:3: error: missing '#include "llvm/ADT/StringRef.h"'; 'StringRef' must be declared before it is used [2026-04-11T10:33:41.699Z] 40 | StringRef TargetFunction; [2026-04-11T10:33:41.699Z] | ^ [2026-04-11T10:33:41.699Z] /Users/ec2-user/jenkins/workspace/m.org_clang-stage2-Rthinlto_main/llvm-project/llvm/include/llvm/ADT/StringRef.h:55:24: note: declaration here is not visible [2026-04-11T10:33:41.699Z] 55 | class LLVM_GSL_POINTER StringRef { [2026-04-11T10:33:41.699Z] | ^ [2026-04-11T10:33:41.699Z] /Users/ec2-user/jenkins/workspace/m.org_clang-stage2-Rthinlto_main/llvm-project/llvm/lib/Demangle/Demangle.cpp:13:10: fatal error: could not build module 'LLVM_Utils' [2026-04-11T10:33:41.699Z] 13 | #include "llvm/Demangle/Demangle.h" [2026-04-11T10:33:41.699Z] | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ ``` https://ci.swift.org/job/llvm.org/job/clang-stage2-Rthinlto/job/main/150/ This patch tries to fix that by adding the missing include. rdar://174555346