[TableGen] Strip directories from generated include

[keith]

Fixes #167700 to not rely on
the full output path of the file to be part of the include path later.

[llvmbot]

@llvm/pr-subscribers-tablegen

Author: Keith Smiley (keith)

Changes

Fixes #167700 to not rely on
the full output path of the file to be part of the include path later.

---

Full diff: https://github.com/llvm/llvm-project/pull/168409.diff

1 Files Affected:

• (modified) llvm/utils/TableGen/RegisterInfoEmitter.cpp (+2-1)

diff --git a/llvm/utils/TableGen/RegisterInfoEmitter.cpp b/llvm/utils/TableGen/RegisterInfoEmitter.cpp
index ef7b13e8940f8..286d5bf637ce0 100644
--- a/llvm/utils/TableGen/RegisterInfoEmitter.cpp
+++ b/llvm/utils/TableGen/RegisterInfoEmitter.cpp
@@ -29,6 +29,7 @@
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Format.h"
+#include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TableGen/Error.h"
 #include "llvm/TableGen/Record.h"
@@ -104,7 +105,7 @@ static void emitInclude(StringRef FilenamePrefix, StringRef IncludeFile,
                         StringRef GuardMacro, raw_ostream &OS) {
   OS << "#ifdef " << GuardMacro << '\n';
   OS << "#undef " << GuardMacro << '\n';
-  OS << "#include \"" << FilenamePrefix << IncludeFile << "\"\n";
+  OS << "#include \"" << sys::path::stem(FilenamePrefix) << IncludeFile << "\"\n";
   OS << "#endif\n\n";
 }
 

[github-actions]

✅ With the latest revision this PR passed the C/C++ code formatter.

[kosarev]

As I said, it doesn't make much sense to pass the directories here and then strip them. The prefix is only meant to be the prefix of the base name. Let me update #168355 instead.

[keith]

ok lmk when you update it and i can test it out

[kosarev]

Thanks.

[keith]

#168355