[llvm] [llvm][tblgen] Add `SourcePath` for `emitSourceFileHeader` (PR #65744)
Shao-Ce SUN via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 22 20:40:05 PDT 2023
https://github.com/sunshaoce updated https://github.com/llvm/llvm-project/pull/65744
>From 23d0b738bf40ea44e159f4f8d7355d4d6bc0688d Mon Sep 17 00:00:00 2001
From: Shao-Ce SUN <sunshaoce at gmail.com>
Date: Sat, 23 Sep 2023 11:38:33 +0800
Subject: [PATCH] [llvm][tblgen] Add `SourcePath` for `emitSourceFileHeader`
---
llvm/include/llvm/TableGen/TableGenBackend.h | 3 ++-
llvm/lib/TableGen/TableGenBackend.cpp | 7 ++++++-
llvm/utils/TableGen/VTEmitter.cpp | 3 ++-
3 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/llvm/include/llvm/TableGen/TableGenBackend.h b/llvm/include/llvm/TableGen/TableGenBackend.h
index 39f1e14bc950841..7bbd163b0433aca 100644
--- a/llvm/include/llvm/TableGen/TableGenBackend.h
+++ b/llvm/include/llvm/TableGen/TableGenBackend.h
@@ -50,7 +50,8 @@ template <class EmitterC> class OptClass : Opt {
/// emitSourceFileHeader - Output an LLVM style file header to the specified
/// raw_ostream.
-void emitSourceFileHeader(StringRef Desc, raw_ostream &OS);
+void emitSourceFileHeader(StringRef Desc, raw_ostream &OS,
+ StringRef SourcePath = "");
} // End llvm namespace
diff --git a/llvm/lib/TableGen/TableGenBackend.cpp b/llvm/lib/TableGen/TableGenBackend.cpp
index 135ec643bc3a7df..a50df8dbdcfb220 100644
--- a/llvm/lib/TableGen/TableGenBackend.cpp
+++ b/llvm/lib/TableGen/TableGenBackend.cpp
@@ -40,7 +40,8 @@ static void printLine(raw_ostream &OS, const Twine &Prefix, char Fill,
OS << Suffix << '\n';
}
-void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) {
+void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS,
+ StringRef SourcePath) {
printLine(OS, "/*===- TableGen'erated file ", '-', "*- C++ -*-===*\\");
StringRef Prefix("|* ");
StringRef Suffix(" *|");
@@ -59,4 +60,8 @@ void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) {
printLine(OS, Prefix, ' ', Suffix);
printLine(OS, "\\*===", '-', "===*/");
OS << '\n';
+
+ // Print the path of source file
+ if (!SourcePath.empty())
+ OS << "// Generated from: " << SourcePath << "\n\n";
}
diff --git a/llvm/utils/TableGen/VTEmitter.cpp b/llvm/utils/TableGen/VTEmitter.cpp
index d398a7e7b58f40a..03fa3d64b41fe6c 100644
--- a/llvm/utils/TableGen/VTEmitter.cpp
+++ b/llvm/utils/TableGen/VTEmitter.cpp
@@ -30,7 +30,8 @@ class VTEmitter {
} // End anonymous namespace.
void VTEmitter::run(raw_ostream &OS) {
- emitSourceFileHeader("ValueTypes Source Fragment", OS);
+ emitSourceFileHeader("ValueTypes Source Fragment", OS,
+ Records.getInputFilename());
std::array<const Record *, 256> VTsByNumber = {};
auto ValueTypes = Records.getAllDerivedDefinitions("ValueType");
More information about the llvm-commits
mailing list