[llvm] [TableGen] Strip directories from generated include (PR #168409)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-tablegen

Author: Keith Smiley (keith)

<details>
<summary>Changes</summary>

Fixes https://github.com/llvm/llvm-project/pull/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
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";
 }
 

``````````

</details>


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