https://github.com/AidanGoldfarb updated
https://github.com/llvm/llvm-project/pull/123119
>From bc5d1419d94ac492c0fcf62a74844eb43ce17f1a Mon Sep 17 00:00:00 2001
From: Aidan <aidan.goldf...@mail.mcgill.ca>
Date: Wed, 15 Jan 2025 15:24:12 -0500
Subject: [PATCH 1/8] __nullptr -> KEYALL, added relevant test
---
clang/include/clang/Basic/TokenKinds.def | 2 +-
clang/test/Sema/nullptr.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/clang/include/clang/Basic/TokenKinds.def
b/clang/include/clang/Basic/TokenKinds.def
index 2c692c999bdff5..8902a20b07ffa8 100644
--- a/clang/include/clang/Basic/TokenKinds.def
+++ b/clang/include/clang/Basic/TokenKinds.def
@@ -707,7 +707,7 @@ ALIAS("__decltype" , decltype , KEYCXX)
ALIAS("__imag__" , __imag , KEYALL)
ALIAS("__inline" , inline , KEYALL)
ALIAS("__inline__" , inline , KEYALL)
-ALIAS("__nullptr" , nullptr , KEYCXX)
+ALIAS("__nullptr" , nullptr , KEYALL)
ALIAS("__real__" , __real , KEYALL)
ALIAS("__restrict" , restrict , KEYALL)
ALIAS("__restrict__" , restrict , KEYALL)
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index d11765a9c881a1..64095fc00691cd 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -108,3 +108,6 @@ void test_f1() {
int ir = (f1)(nullptr);
}
+// __nullptr keyword in C
+void foo(void *);
+void bar() { foo(__nullptr); }
\ No newline at end of file
>From 7230332a3e9c95f547ffb9eaf76add48666e1e67 Mon Sep 17 00:00:00 2001
From: Aidan Goldfarb <47676355+aidangoldf...@users.noreply.github.com>
Date: Fri, 17 Jan 2025 12:00:04 -0500
Subject: [PATCH 2/8] Added additional tests
static_assert(nullptr == __nullptr) and
static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false))
---
clang/test/Sema/nullptr.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index 64095fc00691cd..ca2a8aa064caf3 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -110,4 +110,6 @@ void test_f1() {
// __nullptr keyword in C
void foo(void *);
-void bar() { foo(__nullptr); }
\ No newline at end of file
+void bar() { foo(__nullptr); }
+static_assert(nullptr == __nullptr);
+static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false));
>From ff8bf0dace7912ecb64d8a2114a1b465071908ad Mon Sep 17 00:00:00 2001
From: Aidan Goldfarb <47676355+aidangoldf...@users.noreply.github.com>
Date: Sat, 18 Jan 2025 11:56:02 -0500
Subject: [PATCH 3/8] Update nullptr.c
---
clang/test/Sema/nullptr.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index ca2a8aa064caf3..bbe3d4c2ece7ff 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -113,3 +113,8 @@ void foo(void *);
void bar() { foo(__nullptr); }
static_assert(nullptr == __nullptr);
static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false));
+
+void foo(struct S *);
+void bar() { foo(__nullptr); } // Test that it converts properly to an
arbitrary pointer type without warning
+_Static_assert(__nullptr == 0); // Test that its value matches that of NULL
+_Static_assert(_Generic(__typeof(__nullptr), int : 0, void * : 0, default :
1)); // Test that it's type is not the same as what NULL would generally have.
>From 87c8b673863ccc7f17eeb2da02ab1c4a6f64de40 Mon Sep 17 00:00:00 2001
From: Aidan Goldfarb <47676355+aidangoldf...@users.noreply.github.com>
Date: Sat, 18 Jan 2025 12:04:37 -0500
Subject: [PATCH 4/8] Update ReleaseNotes.rst
---
clang/docs/ReleaseNotes.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 031c5d84e49f97..f234edc7920352 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -387,7 +387,11 @@ C Language Changes
------------------
- Extend clang's ``<limits.h>`` to define ``LONG_LONG_*`` macros for Android's
bionic.
+<<<<<<< HEAD
- Macro ``__STDC_NO_THREADS__`` is no longer necessary for MSVC 2022 1939 and
later.
+=======
+- Added support for the ``__nullptr`` keyword.
+>>>>>>> cfda1e8d3bf6 (Update ReleaseNotes.rst)
C2y Feature Support
^^^^^^^^^^^^^^^^^^^
>From bb08c09d1a7c2b4ceac6e7868680e0111f531909 Mon Sep 17 00:00:00 2001
From: Aidan Goldfarb <47676355+aidangoldf...@users.noreply.github.com>
Date: Sat, 18 Jan 2025 12:20:46 -0500
Subject: [PATCH 5/8] Update nullptr.c
Removed duplicate test
---
clang/test/Sema/nullptr.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index bbe3d4c2ece7ff..b5d99ab89f5814 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -113,8 +113,5 @@ void foo(void *);
void bar() { foo(__nullptr); }
static_assert(nullptr == __nullptr);
static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false));
-
-void foo(struct S *);
-void bar() { foo(__nullptr); } // Test that it converts properly to an
arbitrary pointer type without warning
_Static_assert(__nullptr == 0); // Test that its value matches that of NULL
_Static_assert(_Generic(__typeof(__nullptr), int : 0, void * : 0, default :
1)); // Test that it's type is not the same as what NULL would generally have.
>From 514d5d6aa23e80be9059d0a09920c448f2a5b1e6 Mon Sep 17 00:00:00 2001
From: Aidan Goldfarb <agold...@u.rochester.edu>
Date: Tue, 21 Jan 2025 10:34:24 -0500
Subject: [PATCH 6/8] Update clang/docs/ReleaseNotes.rst
Co-authored-by: Erich Keane <eke...@nvidia.com>
---
clang/docs/ReleaseNotes.rst | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index f234edc7920352..3b42e175d1a600 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -388,10 +388,14 @@ C Language Changes
- Extend clang's ``<limits.h>`` to define ``LONG_LONG_*`` macros for Android's
bionic.
<<<<<<< HEAD
+<<<<<<< HEAD
- Macro ``__STDC_NO_THREADS__`` is no longer necessary for MSVC 2022 1939 and
later.
=======
- Added support for the ``__nullptr`` keyword.
>>>>>>> cfda1e8d3bf6 (Update ReleaseNotes.rst)
+=======
+- Exposed the the ``__nullptr`` keyword as an alias for ``nullptr`` in all C
language modes.
+>>>>>>> 8d00a2c3e77a (Update clang/docs/ReleaseNotes.rst)
C2y Feature Support
^^^^^^^^^^^^^^^^^^^
>From e9fc782e145902f241239fa1304c07ecca5a3fc5 Mon Sep 17 00:00:00 2001
From: Aidan <aidan.goldf...@mail.mcgill.ca>
Date: Fri, 24 Jan 2025 15:38:39 -0500
Subject: [PATCH 7/8] added c17 tests
---
clang/test/Sema/nullptr-prec2x.c | 4 ++++
clang/test/Sema/nullptr.c | 2 --
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/clang/test/Sema/nullptr-prec2x.c b/clang/test/Sema/nullptr-prec2x.c
index 39479d4343a569..c516c448ca1ab4 100644
--- a/clang/test/Sema/nullptr-prec2x.c
+++ b/clang/test/Sema/nullptr-prec2x.c
@@ -6,3 +6,7 @@ int nullptr; // expected-warning {{'nullptr' is a keyword in
C23}}
nullptr_t val; // expected-error {{unknown type name 'nullptr_t'}}
+void foo(void *);
+void bar() { foo(__nullptr); } // Test that it converts properly to an
arbitrary pointer type without warning
+_Static_assert(__nullptr == 0, "value of __nullptr"); // Test that its value
matches that of NULL
+_Static_assert(_Generic(__typeof(__nullptr), int : 0, void * : 0, default :
1), "type of __nullptr"); // Test that it's type is not the same as what NULL
would generally have.
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index b5d99ab89f5814..ca2a8aa064caf3 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -113,5 +113,3 @@ void foo(void *);
void bar() { foo(__nullptr); }
static_assert(nullptr == __nullptr);
static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false));
-_Static_assert(__nullptr == 0); // Test that its value matches that of NULL
-_Static_assert(_Generic(__typeof(__nullptr), int : 0, void * : 0, default :
1)); // Test that it's type is not the same as what NULL would generally have.
>From 113828317b7221342de5328ef18475a99bcc0e21 Mon Sep 17 00:00:00 2001
From: Aidan <aidan.goldf...@mail.mcgill.ca>
Date: Fri, 24 Jan 2025 15:50:20 -0500
Subject: [PATCH 8/8] duplicated c17 tests in c2x
---
clang/test/Sema/nullptr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/clang/test/Sema/nullptr.c b/clang/test/Sema/nullptr.c
index ca2a8aa064caf3..b8c371a418e3e0 100644
--- a/clang/test/Sema/nullptr.c
+++ b/clang/test/Sema/nullptr.c
@@ -112,4 +112,6 @@ void test_f1() {
void foo(void *);
void bar() { foo(__nullptr); }
static_assert(nullptr == __nullptr);
+static_assert(__nullptr == 0); // Test that its value matches that of NULL
static_assert(_Generic(typeof(__nullptr), nullptr_t: true, default: false));
+static_assert(_Generic(__typeof(__nullptr), int : 0, void * : 0, default :
1)); // Test that it's type is not the same as what NULL would generally have.
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