[clang] 3293c08 - Remove dead code; NFC
Aaron Ballman via cfe-commits
cfe-commits at lists.llvm.org
Thu Dec 7 05:27:03 PST 2023
Author: Aaron Ballman
Date: 2023-12-07T08:26:33-05:00
New Revision: 3293c088c25db5be6042d20bd95c80a0863a88d0
URL: https://github.com/llvm/llvm-project/commit/3293c088c25db5be6042d20bd95c80a0863a88d0
DIFF: https://github.com/llvm/llvm-project/commit/3293c088c25db5be6042d20bd95c80a0863a88d0.diff
LOG: Remove dead code; NFC
This code was added 17 years ago but never enabled or tested. GCC warns
that -I- is deprecated for them, and Clang gives an error when passed
-I-, so we may as well remove this code rather than hook it up to the
driver and maintain it.
Added:
Modified:
clang/include/clang/Lex/HeaderSearch.h
clang/lib/Lex/HeaderSearch.cpp
clang/lib/Lex/InitHeaderSearch.cpp
Removed:
################################################################################
diff --git a/clang/include/clang/Lex/HeaderSearch.h b/clang/include/clang/Lex/HeaderSearch.h
index a100598c80155..a2c33842924b1 100644
--- a/clang/include/clang/Lex/HeaderSearch.h
+++ b/clang/include/clang/Lex/HeaderSearch.h
@@ -247,16 +247,13 @@ class HeaderSearch {
/// \#include search path information. Requests for \#include "x" search the
/// directory of the \#including file first, then each directory in SearchDirs
/// consecutively. Requests for <x> search the current dir first, then each
- /// directory in SearchDirs, starting at AngledDirIdx, consecutively. If
- /// NoCurDirSearch is true, then the check for the file in the current
- /// directory is suppressed.
+ /// directory in SearchDirs, starting at AngledDirIdx, consecutively.
std::vector<DirectoryLookup> SearchDirs;
/// Whether the DirectoryLookup at the corresponding index in SearchDirs has
/// been successfully used to lookup a file.
std::vector<bool> SearchDirsUsage;
unsigned AngledDirIdx = 0;
unsigned SystemDirIdx = 0;
- bool NoCurDirSearch = false;
/// Maps HeaderMap keys to SearchDir indices. When HeaderMaps are used
/// heavily, SearchDirs can start with thousands of HeaderMaps, so this Index
@@ -373,7 +370,7 @@ class HeaderSearch {
/// Interface for setting the file search paths.
void SetSearchPaths(std::vector<DirectoryLookup> dirs, unsigned angledDirIdx,
- unsigned systemDirIdx, bool noCurDirSearch,
+ unsigned systemDirIdx,
llvm::DenseMap<unsigned, unsigned> searchDirToHSEntry);
/// Add an additional search path.
diff --git a/clang/lib/Lex/HeaderSearch.cpp b/clang/lib/Lex/HeaderSearch.cpp
index cf1c0cc5284f3..c03cf19688d96 100644
--- a/clang/lib/Lex/HeaderSearch.cpp
+++ b/clang/lib/Lex/HeaderSearch.cpp
@@ -105,7 +105,7 @@ void HeaderSearch::PrintStats() {
void HeaderSearch::SetSearchPaths(
std::vector<DirectoryLookup> dirs, unsigned int angledDirIdx,
- unsigned int systemDirIdx, bool noCurDirSearch,
+ unsigned int systemDirIdx,
llvm::DenseMap<unsigned int, unsigned int> searchDirToHSEntry) {
assert(angledDirIdx <= systemDirIdx && systemDirIdx <= dirs.size() &&
"Directory indices are unordered");
@@ -113,7 +113,6 @@ void HeaderSearch::SetSearchPaths(
SearchDirsUsage.assign(SearchDirs.size(), false);
AngledDirIdx = angledDirIdx;
SystemDirIdx = systemDirIdx;
- NoCurDirSearch = noCurDirSearch;
SearchDirToHSEntry = std::move(searchDirToHSEntry);
//LookupFileCache.clear();
indexInitialHeaderMaps();
@@ -904,12 +903,12 @@ OptionalFileEntryRef HeaderSearch::LookupFile(
ModuleMap::KnownHeader MSSuggestedModule;
OptionalFileEntryRef MSFE;
- // Unless disabled, check to see if the file is in the #includer's
- // directory. This cannot be based on CurDir, because each includer could be
- // a #include of a subdirectory (#include "foo/bar.h") and a subsequent
- // include of "baz.h" should resolve to "whatever/foo/baz.h".
- // This search is not done for <> headers.
- if (!Includers.empty() && !isAngled && !NoCurDirSearch) {
+ // Check to see if the file is in the #includer's directory. This cannot be
+ // based on CurDir, because each includer could be a #include of a
+ // subdirectory (#include "foo/bar.h") and a subsequent include of "baz.h"
+ // should resolve to "whatever/foo/baz.h". This search is not done for <>
+ // headers.
+ if (!Includers.empty() && !isAngled) {
SmallString<1024> TmpDir;
bool First = true;
for (const auto &IncluderAndDir : Includers) {
diff --git a/clang/lib/Lex/InitHeaderSearch.cpp b/clang/lib/Lex/InitHeaderSearch.cpp
index 1f4c7a6d67b7f..5b1b7c859c85d 100644
--- a/clang/lib/Lex/InitHeaderSearch.cpp
+++ b/clang/lib/Lex/InitHeaderSearch.cpp
@@ -513,9 +513,8 @@ void InitHeaderSearch::Realize(const LangOptions &Lang) {
unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose);
NumAngled -= NonSystemRemoved;
- bool DontSearchCurDir = false; // TODO: set to true if -I- is set?
Headers.SetSearchPaths(extractLookups(SearchList), NumQuoted, NumAngled,
- DontSearchCurDir, mapToUserEntries(SearchList));
+ mapToUserEntries(SearchList));
Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes);
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