@@ -5796,12 +5796,18 @@ declared entity. The entity must not have weak linkage;
for example, in C++,
it cannot be applied to a declaration if a definition at that location would be
considered inline.
-Not all targets support this attribute. ELF target support depends on both
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/111962
>From 122864160f098392c4afd1728eb924e7e26e70d9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Tue, 8 Oct 2024 22:58:37 +0200
Subject: [PATCH 1/6] Add ifuncs support for Windows.
---
clang/include/c
@@ -1845,8 +1884,14 @@ class _LIBUNWIND_HIDDEN Registers_arm64 {
uint64_t getSP() const { return _registers.__sp; }
void setSP(uint64_t value) { _registers.__sp = value; }
- uint64_t getIP() const { return _registers.__pc; }
- void setIP(uint6
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/113368
>From 3dd2f4da57eb164e67fd54b66c09cc8b771ee24f Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 16 Oct 2024 14:48:25 -0700
Subject: [PATCH 1/6] [libunwind][AArch64] Protect PC within libunwind's
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/113368
>From 3dd2f4da57eb164e67fd54b66c09cc8b771ee24f Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 16 Oct 2024 14:48:25 -0700
Subject: [PATCH 1/5] [libunwind][AArch64] Protect PC within libunwind's
DanielKristofKiss wrote:
sorry for the debug here, locally I can't reproduce the test failure( macos m1,
same toolchain, same build steps )
https://github.com/llvm/llvm-project/pull/113368
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>From 3dd2f4da57eb164e67fd54b66c09cc8b771ee24f Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 16 Oct 2024 14:48:25 -0700
Subject: [PATCH 1/4] [libunwind][AArch64] Protect PC within libunwind's
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/113368
>From 3dd2f4da57eb164e67fd54b66c09cc8b771ee24f Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 16 Oct 2024 14:48:25 -0700
Subject: [PATCH 1/3] [libunwind][AArch64] Protect PC within libunwind's
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/113368
>From 3dd2f4da57eb164e67fd54b66c09cc8b771ee24f Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 16 Oct 2024 14:48:25 -0700
Subject: [PATCH 1/2] [libunwind][AArch64] Protect PC within libunwind's
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/113368
Libunwind manages the registers/context including the program counter which is
used effectively as a return address.
__libunwind_Registers_arm64_jumpto can go anywhere where the given buffer 's PC
poi
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/111962
>From 122864160f098392c4afd1728eb924e7e26e70d9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Tue, 8 Oct 2024 22:58:37 +0200
Subject: [PATCH 1/4] Add ifuncs support for Windows.
---
clang/include/c
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 -triple aarch64-pc-windows-msvc -emit-llvm -o - %s |
FileCheck %s
DanielKristofKiss wrote:
So far, but other targets could be added here later without too much change to
the test.
https://github.com/llvm/llvm-project/pull/1
https://github.com/DanielKristofKiss edited
https://github.com/llvm/llvm-project/pull/111962
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>From 122864160f098392c4afd1728eb924e7e26e70d9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Tue, 8 Oct 2024 22:58:37 +0200
Subject: [PATCH 1/3] Add ifuncs support for Windows.
---
clang/include/c
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/111962
On Windows there is no platform support for ifunc but we could lower them to
global function pointers.
This also enables FMV for Windows with Clang and Compiler-rt.
Depends on #111961 and #111960
>Fr
https://github.com/DanielKristofKiss approved this pull request.
https://github.com/llvm/llvm-project/pull/109247
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https://github.com/DanielKristofKiss approved this pull request.
Thanks!
LGTM
https://github.com/llvm/llvm-project/pull/108857
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https://github.com/DanielKristofKiss requested changes to this pull request.
otherwise looks reasonable to me.
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@@ -399,7 +399,14 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions
&Opts,
Builder.defineMacro("__AARCH64_CMODEL_" + CodeModel + "__");
// ACLE predefines. Many can only have one possible value on v8 AArch64.
- Builder.defineMacro("__ARM_ACLE", "200");
+ Bui
@@ -399,7 +399,14 @@ void AArch64TargetInfo::getTargetDefines(const LangOptions
&Opts,
Builder.defineMacro("__AARCH64_CMODEL_" + CodeModel + "__");
// ACLE predefines. Many can only have one possible value on v8 AArch64.
- Builder.defineMacro("__ARM_ACLE", "200");
+ Bui
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https://github.com/llvm/llvm-project/pull/107417
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DanielKristofKiss wrote:
> I think this is OK but do you know if the dsp side works with cortex-m?
> Target attributes are less likely to be used there, but it's worth testing if
> the command line args are still all happy.
This seems works fine:
```c
#include
int dsp() {
return __smlabb(
DanielKristofKiss wrote:
Clang-format failure is expected as I kept intentionally the format to match
with the rest of the file.
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Both feature has target feature so can be checked if the usage is valid.
>From 9dadc9bffc40e02dff9ef6a1d79968c8980892f4 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 5 Sep 2024 16:42:43 +0200
DanielKristofKiss wrote:
/cherry-pick 9e9fa00
https://github.com/llvm/llvm-project/pull/101978
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@@ -209,9 +209,28 @@ llvm::Value *TargetCodeGenInfo::createEnqueuedBlockKernel(
void TargetCodeGenInfo::setBranchProtectionFnAttributes(
const TargetInfo::BranchProtectionInfo &BPI, llvm::Function &F) {
- llvm::AttrBuilder FuncAttrs(F.getContext());
- setBranchProtection
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/101978
>From 4afadb9122c982c63f2b067661548a2c063590a5 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Mon, 5 Aug 2024 13:01:06 +0200
Subject: [PATCH 1/2] [Arm][AArch64][Clang] Respect function's branch
prot
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/86212
>From f2f3356da08d68dab4431f49d0921515560e4927 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Fri, 8 Mar 2024 15:06:28 +0100
Subject: [PATCH 1/2] BTI,GCS,PAC Module flag update.
Module flag is used t
@@ -5278,6 +5278,106 @@ void llvm::UpgradeFunctionAttributes(Function &F) {
}
}
+// Check if the module attribute is present and set to one.
+static bool isModuleAttributeOne(Module &M, const StringRef &ModAttr) {
+ const auto *Attr =
+ mdconst::extract_or_null(M.getMo
@@ -0,0 +1,86 @@
+;; Test verifies inlining happens cross module when module flags are upgraded.
+;; `foo` and `main` are both old semantic while bar is the new semantic.
+;; Regression test for #82763
+
+; RUN: split-file %s %t
+; RUN: opt -module-summary %t/foo.s -o %t/foo.o
+;
@@ -0,0 +1,35 @@
+; This file contains the new semantic of the branch-target-enforcement,
sign-return-address.
+; Used for test mixing a mixed link case and also verify the import too in llc.
+
+; RUN: llc %s -o - | FileCheck %s
DanielKristofKiss wrote:
ack.
ht
@@ -0,0 +1,35 @@
+; This file contains the new semantic of the branch-target-enforcement,
sign-return-address.
DanielKristofKiss wrote:
done.
https://github.com/llvm/llvm-project/pull/86212
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@@ -0,0 +1,35 @@
+; This file contains the new semantic of the branch-target-enforcement,
sign-return-address.
+; Used for test mixing a mixed link case and also verify the import too in llc.
+
+; RUN: llc %s -o - | FileCheck %s
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64
@@ -0,0 +1,35 @@
+; This file contains the new semantic of the branch-target-enforcement,
sign-return-address.
+; Used for test mixing a mixed link case and also verify the import too in llc.
+
+; RUN: llc %s -o - | FileCheck %s
+
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64
@@ -680,7 +684,17 @@
DEFINE_LIBUNWIND_FUNCTION(__libunwind_Registers_arm64_jumpto)
ldrx16, [x0, #0x0F8]
ldpx0, x1, [x0, #0x000] // restore x0,x1
movsp,x16 // restore sp
- br x30// jump to pc
+#if defined(__ARM_FE
https://github.com/DanielKristofKiss approved this pull request.
Thanks!
LGTM with a NIT.
Please wait for someone from the unwind group to ack it too.
https://github.com/llvm/llvm-project/pull/102322
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@@ -82,7 +82,22 @@
#define PPC64_OPD2
#endif
-#if defined(__aarch64__) && defined(__ARM_FEATURE_BTI_DEFAULT)
+#if defined(__aarch64__)
+#if defined(__ARM_FEATURE_GCS_DEFAULT) && defined(__ARM_FEATURE_BTI_DEFAULT)
+// Set BTI, PAC, and GCS gnu property bits
+#define GNU_PROPERT
https://github.com/DanielKristofKiss edited
https://github.com/llvm/llvm-project/pull/102322
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https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/101978
>From 4afadb9122c982c63f2b067661548a2c063590a5 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Mon, 5 Aug 2024 13:01:06 +0200
Subject: [PATCH] [Arm][AArch64][Clang] Respect function's branch protectio
https://github.com/DanielKristofKiss approved this pull request.
LGTM.
https://github.com/llvm/llvm-project/pull/96478
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@@ -680,7 +680,7 @@
DEFINE_LIBUNWIND_FUNCTION(__libunwind_Registers_arm64_jumpto)
ldrx16, [x0, #0x0F8]
ldpx0, x1, [x0, #0x000] // restore x0,x1
movsp,x16 // restore sp
- retx30// jump to pc
Danie
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/101978
Default attributes assigned to all functions according to the command line
parameters. Some functions might have their own attributes and we need to set
or remove attributes accordingly.
Tests are upd
https://github.com/DanielKristofKiss closed
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>From f2f3356da08d68dab4431f49d0921515560e4927 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Fri, 8 Mar 2024 15:06:28 +0100
Subject: [PATCH] BTI,GCS,PAC Module flag update.
Module flag is used to in
https://github.com/DanielKristofKiss ready_for_review
https://github.com/llvm/llvm-project/pull/98648
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>From 240add341b2c0a1be3d1ebf21938e70e51669126 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Fri, 12 Jul 2024 15:56:40 +0200
Subject: [PATCH 1/2] [libunwind] Fix ubsan issue
---
libunwind/src/Unwin
@@ -0,0 +1,4 @@
+// RUN: %clang --target=aarch64-linux-pauthtest
--sysroot=%S/Inputs/multilib_aarch64_linux_tree -### -c %s 2>&1 | FileCheck %s
DanielKristofKiss wrote:
Looks this is not used:
"clang/test/Driver/Inputs/multilib_aarch64_linux_tree/usr/incl
@@ -230,8 +230,13 @@ void DwarfFDECache::iterateCacheEntries(void (*func)(
}
#endif // defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)
-
-#define arrayoffsetof(type, index, field) ((size_t)(&((type *)0)[index].field))
+template
+__attribute__((no_sanitize("undefined"))) static inlin
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/98648
>From 240add341b2c0a1be3d1ebf21938e70e51669126 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Fri, 12 Jul 2024 15:56:40 +0200
Subject: [PATCH 1/2] [libunwind] Fix ubsan issue
---
libunwind/src/Unwin
https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/83277
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https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/98648
Fixes #91144
>From 240add341b2c0a1be3d1ebf21938e70e51669126 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Fri, 12 Jul 2024 15:56:40 +0200
Subject: [PATCH] [libunwind] Fix ubsan issue
---
libunwind
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/83277
>From 0c3118713387246dc1c503f3792ba5af82e6b5eb Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 28 Feb 2024 15:18:31 +0100
Subject: [PATCH 1/8] Add branch protection attributes to the defaults.
Th
https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/98451
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DanielKristofKiss wrote:
#83277 needs the `setBranchProtectionFnAttributes` function but that call is
from a static function so let's make it static.
https://github.com/llvm/llvm-project/pull/98451
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>From 2ffaf35f09be03e7374bde3d97ee798b01e7e3d1 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 10:29:24 +0200
Subject: [PATCH 1/5] [NFC][Clang] Move setfunctions of BranchProtectionInf
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/98451
>From 2ffaf35f09be03e7374bde3d97ee798b01e7e3d1 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 10:29:24 +0200
Subject: [PATCH 1/4] [NFC][Clang] Move setfunctions of BranchProtectionInf
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/98451
>From 2ffaf35f09be03e7374bde3d97ee798b01e7e3d1 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 10:29:24 +0200
Subject: [PATCH 1/3] [NFC][Clang] Move setfunctions of BranchProtectionInf
@@ -133,7 +133,7 @@ class AArch64TargetCodeGenInfo : public TargetCodeGenInfo {
}
}
auto *Fn = cast(GV);
-BPI.setFnAttributes(*Fn);
+CGM.getTargetCodeGenInfo().setFnAttributes(BPI, *Fn);
DanielKristofKiss wrote:
oh right.
https://github.
@@ -413,6 +414,12 @@ class TargetCodeGenInfo {
return nullptr;
}
+ void setFnAttributes(const TargetInfo::BranchProtectionInfo &BPI,
DanielKristofKiss wrote:
agree, added.
https://github.com/llvm/llvm-project/pull/98451
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https://github.com/llvm/llvm-project/pull/98451
>From 2ffaf35f09be03e7374bde3d97ee798b01e7e3d1 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 10:29:24 +0200
Subject: [PATCH 1/2] [NFC][Clang] Move setfunctions of BranchProtectionInf
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/98451
To reduce build times move them to TargetCodeGenInfo.
Refactor of #98329
>From 2ffaf35f09be03e7374bde3d97ee798b01e7e3d1 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 10:29:24 +0200
DanielKristofKiss wrote:
> > in some build config `TargetInfo.cpp` is built without dependency to
> > `LLVM-Core`.
>
> Okay, that means that putting this code inside Basic/ is a layering
> violation. You need to move it into CodeGen/. Probably best to revert the
> whole change in the meantime
DanielKristofKiss wrote:
in some build config `TargetInfo.cpp` is built without dependency to
`LLVM-Core`.
https://github.com/llvm/llvm-project/pull/98329
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Reverts llvm/llvm-project#98329
>From 9a74d0613287e7ae86c305b0250e188e3c3de6c3 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Thu, 11 Jul 2024 08:37:25 +0200
Subject: [PATCH] Revert "[NFC][Clang] Mov
https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/98329
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>From b1e113f76b289aa8a7d4459314a0dbffb313cb51 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 16:23:11 +0200
Subject: [PATCH 1/2] [NFC][Clang] Move functions of BranchProtectionInfo o
DanielKristofKiss wrote:
> It looks like there's still a failure related to this patch on current main
> AFAICT (MSAN finds a use of uninitialized value):
> https://lab.llvm.org/buildbot/#/builders/169/builds/852/steps/12/logs/stdio
>
Thanks, already noticed and addressed here: #98307
https
@@ -1434,7 +1434,14 @@ class TargetInfo : public TransferrableTargetInfo,
}
public:
-BranchProtectionInfo() = default;
+BranchProtectionInfo() {
+ SignReturnAddr = LangOptions::SignReturnAddressScopeKind::None;
+ SignKey = LangOptions::SignReturnAddress
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/98307
>From 4e10c95c390e519853428f424cd655379d99c61c Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 13:58:52 +0200
Subject: [PATCH 1/3] [Clang][ARM] Call constructor on BranchTargetInfo.
O
@@ -141,7 +141,7 @@ class ARMTargetCodeGenInfo : public TargetCodeGenInfo {
ParsedTargetAttr Attr =
CGM.getTarget().parseTargetAttr(TA->getFeaturesStr());
if (!Attr.BranchProtection.empty()) {
-TargetInfo::BranchProtectionInfo BPI;
+TargetI
DanielKristofKiss wrote:
Sorry for the force push, need to be rebased. NFC since last review round.
https://github.com/llvm/llvm-project/pull/83277
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>From 0c3118713387246dc1c503f3792ba5af82e6b5eb Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 28 Feb 2024 15:18:31 +0100
Subject: [PATCH 1/6] Add branch protection attributes to the defaults.
Th
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/83277
>From c421b6b9c167e82cedc5db2a67f47d3ba12deba9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 28 Feb 2024 15:18:31 +0100
Subject: [PATCH 1/6] Add branch protection attributes to the defaults.
Th
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/98329
Also let's add const to the setFnAttributes.
>From b1e113f76b289aa8a7d4459314a0dbffb313cb51 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 16:23:11 +0200
Subject: [PATCH] [NFC][Clang
@@ -32,7 +32,9 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Frontend/OpenMP/OMPGridValues.h"
+#include "llvm/IR/Attributes.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Function.h"
DanielKristofKiss wrote:
Addres
DanielKristofKiss wrote:
Let's initialise everything from both of the constructors (as it was in an
early version of the original patches)
https://github.com/llvm/llvm-project/pull/98307
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>From 4e10c95c390e519853428f424cd655379d99c61c Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 13:58:52 +0200
Subject: [PATCH 1/2] [Clang][ARM] Call constructor on BranchTargetInfo.
O
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/98307
Otherwise members will be uninitialised.
>From 4e10c95c390e519853428f424cd655379d99c61c Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 13:58:52 +0200
Subject: [PATCH] [Clang][ARM] Ca
Author: Daniel Kiss
Date: 2024-07-10T11:32:41+02:00
New Revision: 1782810b8440144a0141c24192acbaeb55a1545d
URL:
https://github.com/llvm/llvm-project/commit/1782810b8440144a0141c24192acbaeb55a1545d
DIFF:
https://github.com/llvm/llvm-project/commit/1782810b8440144a0141c24192acbaeb55a1545d.diff
L
https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/98284
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https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/98284
Reverts llvm/llvm-project#82819
>From 74e9e20f0338824eecea0f27d9c1336676a60d3d Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 10 Jul 2024 10:21:36 +0200
Subject: [PATCH] =?UTF-8?q?Revert=20"[Cla
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/83277
>From c421b6b9c167e82cedc5db2a67f47d3ba12deba9 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Wed, 28 Feb 2024 15:18:31 +0100
Subject: [PATCH 1/5] Add branch protection attributes to the defaults.
Th
https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/82819
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DanielKristofKiss wrote:
I'm planning to merge this and subsequent patches this week, please let me know
if you any more concerns. Thanks!
https://github.com/llvm/llvm-project/pull/82819
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@@ -1537,11 +1570,16 @@ static void CollectARMPACBTIOptions(const ToolChain
&TC, const ArgList &Args,
if (!isAArch64 && PBP.Key == "b_key")
D.Diag(diag::warn_unsupported_branch_protection)
<< "b-key" << A->getAsString(Args);
+if (!isAArch64 && PBP.HasPa
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/82819
>From df64bb1a12ea2b2a89151fa034a16cd641129347 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Mon, 22 Jan 2024 11:33:15 +0100
Subject: [PATCH] Emit attributes for functions always.
Branch protection,
DanielKristofKiss wrote:
> For return-address signing, each function can make its own choice about
> whether to sign; the function that's doing the signing is the same function
> that does the auth, so it doesn't directly impact any other function. For
> branch target enforcement, though, ever
https://github.com/DanielKristofKiss approved this pull request.
LGTM, Thanks!
https://github.com/llvm/llvm-project/pull/96259
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https://github.com/DanielKristofKiss approved this pull request.
Second the relnote otherwise LGTM.
https://github.com/llvm/llvm-project/pull/96221
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https://github.com/DanielKristofKiss edited
https://github.com/llvm/llvm-project/pull/96221
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https://github.com/DanielKristofKiss closed
https://github.com/llvm/llvm-project/pull/94271
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@@ -0,0 +1,13 @@
+// Check that -ffixed register handled for globals.
+// Regression test for #76426
+// RUN: %clang --target=aarch64-none-gnu -ffixed-x15 -### %s 2>&1 | FileCheck
%s
+// CHECK-NOT: fatal error: error in backend: Invalid register name "x15".
Danie
https://github.com/DanielKristofKiss updated
https://github.com/llvm/llvm-project/pull/94271
>From a8dabc508583ffb12982549d1bfb86cf6845c957 Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Sun, 21 Apr 2024 16:14:25 +0200
Subject: [PATCH] [AArch64] Add validation for Global Register Variable.
F
https://github.com/DanielKristofKiss created
https://github.com/llvm/llvm-project/pull/94271
Fixes: #76426
>From cda747d06c2d363c6c0c7f7d72825d119240ac5a Mon Sep 17 00:00:00 2001
From: Daniel Kiss
Date: Sun, 21 Apr 2024 16:14:25 +0200
Subject: [PATCH] [AArch64] Add validation for Global Regist
@@ -0,0 +1,92 @@
+; RUN: sed -e "s/RETTYPE/void/;s/RETVAL//" %s | llc
-mtriple=aarch64-apple-darwin | FileCheck --check-prefixes=ALL %s
+; RUN: sed -e "s/RETTYPE/i32/;s/RETVAL/undef/" %s | llc
-mtriple=aarch64-apple-darwin | FileCheck --check-prefixes=ALL %s
+; RUN: sed -e "s/RE
https://github.com/DanielKristofKiss edited
https://github.com/llvm/llvm-project/pull/91046
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@@ -7949,9 +7966,10 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI,
++NumTailCalls;
}
- if (!IsTailCall && CLI.CB && CLI.CB->isMustTailCall())
+ if (!IsTailCall && CLI.CB && CLI.CB->isMustTailCall()) {
DanielKristofKiss wrote:
if with 1 s
@@ -494,6 +494,32 @@ def CC_AArch64_GHC : CallingConv<[
CCIfType<[i64], CCAssignToReg<[X19, X20, X21, X22, X23, X24, X25, X26, X27,
X28]>>
]>;
+let Entry = 1 in
+def CC_AArch64_Preserve_None : CallingConv<[
+// We can pass arguments in all general registers, except:
+
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