@@ -705,6 +705,47 @@ class ToolChain {
AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const;
+ struct IncludeStrategy {
+enum AvailabilityOptions {
+ // Check whether the director
https://github.com/MaskRay created
https://github.com/llvm/llvm-project/pull/84119
This reverts commit bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6
(https://reviews.llvm.org/D157663).
With this change, the next major release 19.1 will generate
R_RISCV_SET_ULEB128/R_RISCV_SUB_ULEB128 relocations, wh
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Commit 88879e6559a3ae8593e32568900707b1dbf3f060 added -isystem-after
(not in GCC) for CrossWindows (see
543a78b55ee993c2977fc2984f278f7ec0125765; *-windows-itanium).
I have heard two reports that the documented op
MaskRay wrote:
Ping:)
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@@ -2799,6 +2799,34 @@ counter's true frequency will need to be provided by the
user.
Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``.
+``__builtin_cpu_supports``
+--
+
+**Syntax**:
+
+.. code-block:: c++
+
+ int __builtin_
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@@ -2799,6 +2799,34 @@ counter's true frequency will need to be provided by the
user.
Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``.
+``__builtin_cpu_supports``
+--
+
+**Syntax**:
+
+.. code-block:: c++
+
+ int __builtin_
@@ -2799,6 +2799,34 @@ counter's true frequency will need to be provided by the
user.
Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``.
+``__builtin_cpu_supports``
+--
+
+**Syntax**:
+
+.. code-block:: c++
+
+ int __builtin_
@@ -2799,6 +2799,34 @@ counter's true frequency will need to be provided by the
user.
Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``.
+``__builtin_cpu_supports``
+--
+
+**Syntax**:
+
+.. code-block:: c++
+
+ int __builtin_
@@ -2799,6 +2799,34 @@ counter's true frequency will need to be provided by the
user.
Query for this feature with ``__has_builtin(__builtin_readsteadycounter)``.
+``__builtin_cpu_supports``
+--
+
+**Syntax**:
+
+.. code-block:: c++
+
+ int __builtin_
MaskRay wrote:
> I'm not so sure that it is that simple. `-idirafter` and `-isystem-after`
> have slightly different semantics. They impact ordering and warning
> suppression. If there are alternative flags that can be used to control
> those, that might be reasonable.
Do we know the users o
@@ -740,7 +740,8 @@ bool tools::isTLSDESCEnabled(const ToolChain &TC,
SupportedArgument = V == "desc" || V == "trad";
EnableTLSDESC = V == "desc";
} else if (Triple.isX86()) {
-SupportedArgument = V == "gnu";
+SupportedArgument = V == "gnu" || V == "gnu2";
+
Author: Fangrui Song
Date: 2024-03-06T23:19:59-08:00
New Revision: a3319371970b599ef65ef1567c440fbdc3a330f4
URL:
https://github.com/llvm/llvm-project/commit/a3319371970b599ef65ef1567c440fbdc3a330f4
DIFF:
https://github.com/llvm/llvm-project/commit/a3319371970b599ef65ef1567c440fbdc3a330f4.diff
MaskRay wrote:
If a LLVMOption users needs to parse `--`, DashDashParsing from
https://reviews.llvm.org/D152286 is better :)
https://github.com/llvm/llvm-project/pull/84253
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MaskRay wrote:
> [NFC]
>From a strict interpretation, this is not NFC as this changes clang driver
>behavior. The overall behavior combining clang + clang-linker-wrapper may not
>change, though...
https://github.com/llvm/llvm-project/pull/84253
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This needs sign-off from Apple reviewers whether the version table in
Darwin.cpp is correct.
https://github.com/llvm/llvm-project/pull/83774
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@@ -7105,10 +7105,15 @@ void Clang::ConstructJob(Compilation &C, const
JobAction &JA,
Args.addOptInFlag(CmdArgs, options::OPT_frelaxed_template_template_args,
options::OPT_fno_relaxed_template_template_args);
- // -fsized-deallocation is off by default,
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@@ -123,6 +123,15 @@
// CHECK-CHAR8_T_: "-fno-char8_t"
+// RUN: %clang_cl /TC /dev/null /E -Xclang -dM 2> /dev/null | FileCheck
-match-full-lines %s --check-prefix=NOSTDC
MaskRay wrote:
Driver tests usually only do `-###` and check the generated cc1 options
@@ -0,0 +1,11 @@
+// Note: %s must be preceded by --, otherwise it may be interpreted as a
+// command-line option, e.g. on Mac where %s is commonly under /Users.
+//
+// Note: see also cl-zc.cpp
+
+// RUN: %clang_cl /TC /dev/null /E -Xclang -dM /Zc:__STDC__- 2>&1 | FileCheck
%s
MaskRay wrote:
There are many `--no-offload-new-driver` test changes. They can be
pre-committed to make this default flip modify fewer files.
https://github.com/llvm/llvm-project/pull/84420
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MaskRay wrote:
> Hi, this broke our downstream. What is the motivation for this, and how is
> this intended to be used with compiler-rt locations being set by
> multilib.yaml? We have something similar to what ARM does for multilibs.yaml
> but with different paths, and this prevents the driver
MaskRay wrote:
> > There are many `--no-offload-new-driver` test changes. They can be
> > pre-committed to make this default flip modify fewer files.
>
> I think it's much easier to keep these in a single patch, both for writing
> and with any potential reverting that it may require.
Since ll
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MaskRay wrote:
@tru After related improvements this uncovered, this patch should be good to
review.
https://github.com/llvm/llvm-project/pull/81037
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MaskRay wrote:
Do you know a libc implementation that actually implements `%k` `%r` and who
are the potential users? From a quick glance, gcc avr supports fixed-point
types but avr-libc doesn't seem to support %k %r.
https://github.com/llvm/llvm-project/pull/82855
_
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@@ -0,0 +1,26 @@
+/* === vadefs.h ---===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache
MaskRay wrote:
I am not familiar with the MSVC ecosystem, but the change looks reasonable.
Thanks!
https://github.com/llvm/llvm-project/pull/75711
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@@ -0,0 +1,16 @@
+// REQUIRES: arm-registered-target
+
+// RUN: %clang -flto -target thumbv7m-unknown-unknown-eabi
-mbranch-protection=pac-ret %s -S -o - 2>&1 | FileCheck %s
MaskRay wrote:
prefer `--target=` for new tests
For codegen tests we prefer `%clang_cc
@@ -138,58 +163,79 @@ void run_foo_tml() {
// CHECK: resolver_return1:
// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlEv._Mfrintts
// CHECK: resolver_else2:
-// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlEv
+// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlE
@@ -138,58 +163,79 @@ void run_foo_tml() {
// CHECK: resolver_return1:
// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlEv._Mfrintts
// CHECK: resolver_else2:
-// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlEv
+// CHECK-NEXT:ret ptr @_ZN7MyClassIisE7foo_tmlE
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Ping:)
https://github.com/llvm/llvm-project/pull/80527
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D57497 added -msmall-data-limit= as an alias for -G and defaulted it to 8 for
-fno-pic/-fpie.
The behavior is already different from GCC in a few ways:
* GCC doesn't accept -G.
* GCC -fpie doesn't seem to use -m
@@ -0,0 +1,25 @@
+; RUN: llc -march=mips < %s | FileCheck %s --check-prefix=MIPS32
+; RUN: llc -march=mips64 < %s | FileCheck %s --check-prefix=MIPS64
+
+define dso_local void @read_double(ptr nocapture noundef readonly %0)
local_unnamed_addr #0 {
+ %2 = load double, ptr %0, a
@@ -238,6 +238,9 @@ class LLVM_LIBRARY_VISIBILITY MipsTargetInfo : public
TargetInfo {
case 'd': // Equivalent to "r" unless generating MIPS16 code.
case 'y': // Equivalent to "r", backward compatibility only.
case 'f': // floating-point registers.
+ if (*Name
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>From 14ea44a352d547f3c2736f16a47f3dad449446f5 Mon Sep 17 00:00:00 2001
From: YunQiang Su
Date: Tue, 23 Jan 2024 18:14:48 +0800
Subject: [PATCH 1/2] MIPS/clang: Fix asm constraint for softfloat
This include 2 fi
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@@ -1,4 +1,5 @@
// RUN: %clang -### -target x86_64 -fbasic-block-address-map %s -S 2>&1 |
FileCheck -check-prefix=CHECK-PRESENT %s
+// RUN: %clang -### -target aarch64 -fbasic-block-address-map %s -S 2>&1 |
FileCheck -check-prefix=CHECK-PRESENT %s
MaskRay wrote
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@@ -0,0 +1,165 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
UTC_ARGS: --version 4
+; RUN: llc < %s -mtriple=i686-unknown-unknown --relocation-model=pic
-enable-tlsdesc | FileCheck %s --check-prefix=X86
MaskRay wrote:
`-unkno
@@ -18515,17 +18515,17 @@ X86TargetLowering::LowerGlobalAddress(SDValue Op,
SelectionDAG &DAG) const {
return LowerGlobalOrExternal(Op, DAG, /*ForCall=*/false);
}
-static SDValue
-GetTLSADDR(SelectionDAG &DAG, SDValue Chain, GlobalAddressSDNode *GA,
- SDValue *InG
@@ -0,0 +1,165 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
UTC_ARGS: --version 4
+; RUN: llc < %s -mtriple=i686-unknown-unknown --relocation-model=pic
-enable-tlsdesc | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-pc-linu
@@ -2763,13 +2763,13 @@ void tools::addOpenMPDeviceRTL(const Driver &D,
const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
StringRef BitcodeSuffix,
-
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MaskRay wrote:
Hi, I believe this patch introduced a library layering issue.
https://llvm.org/docs/CodingStandards.html#library-layering
Since clangFrontend depends on clangInstallAPI, clangInstallAPI cannot include
include/clang/Frontend header files.
CMake doesn't have good support for detect
MaskRay wrote:
> > Since clangFrontend depends on clangInstallAPI,
>
> @MaskRay Thanks for reporting this issue. Is it possible the issue is from a
> stale build? `clangFrontend` should no longer depend on `clangInstallAPI`.
> That dependency was removed in
> [0a518db#diff-9606e9f9f8eb1bb317d
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Author: Fangrui Song
Date: 2024-02-28T15:17:31-08:00
New Revision: 0f76d9fb5fbfea92da7647af70d78165c71c0700
URL:
https://github.com/llvm/llvm-project/commit/0f76d9fb5fbfea92da7647af70d78165c71c0700
DIFF:
https://github.com/llvm/llvm-project/commit/0f76d9fb5fbfea92da7647af70d78165c71c0700.diff
@@ -103,6 +103,7 @@ Changes to the RISC-V Backend
* Codegen support was added for the Zimop (May-Be-Operations) extension.
* The experimental Ssnpm, Smnpm, Smmpm, Sspm, and Supm 0.8.1 Pointer Masking
extensions are supported.
* The experimental Ssqosid extension is supported.
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MaskRay wrote:
Have you tried zstd with a higher compression level?
https://github.com/llvm/llvm-project/pull/83306
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https://github.com/llvm/llvm-project/pull/83497
I have seen internal pieces of code that uses a template type parameter
to accept std::function, a closure type, or any callable type. The
diagnostic added in #83152 would require adaptation to the template,
which
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MaskRay wrote:
@vinayakdsci
https://github.com/llvm/llvm-project/pull/83497
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MaskRay wrote:
Created #83497 as a follow-up to suppress the diagnostic for certain template
instantiation uses.
I made one change to unblock our internal users
```
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpointer-bool-conversion"
#endif
// functor_
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>From d7a168190f2fdf3b4f8ec1457400ad8e03bc3f3a Mon Sep 17 00:00:00 2001
From: Fangrui Song
Date: Thu, 29 Feb 2024 14:40:00 -0800
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
=?UTF
@@ -92,6 +92,19 @@ void foo() {
bool is_true = [](){ return true; };
// expected-warning@-1{{address of lambda function pointer conversion
operator will always evaluate to 'true'}}
}
+
+template
+static bool IsFalse(const Ts&...) { return false; }
+template
+static bool
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@@ -4478,14 +4478,20 @@ renderDebugOptions(const ToolChain &TC, const Driver
&D, const llvm::Triple &T,
Args.getLastArg(options::OPT_ggnu_pubnames,
options::OPT_gno_gnu_pubnames,
options::OPT_gpubnames, options::OPT_gno_pubnames);
if (DwarfFissio
@@ -11,7 +11,6 @@
// NOINLINE-NOT: "-fsplit-dwarf-inlining"
// SPLIT-NOT: "-dumpdir"
// SPLIT: "-debug-info-kind=constructor"
-// SPLIT-SAME: "-ggnu-pubnames"
MaskRay wrote:
I haven't checked closely, but you probably need a `-NOT` directive, and if the
MaskRay wrote:
> Presumably similar things might show up in macros? But can cross that bridge
> when we come to it.
>
> Perhaps we have some/could use some generic utility for this sort of
> contextual warning "if these things are literally written next to each other,
> warn, but if they came
Author: Fangrui Song
Date: 2024-03-01T16:40:26-08:00
New Revision: ed0aa344a8aaab4d8eedbe800750b8dcd36b0bcd
URL:
https://github.com/llvm/llvm-project/commit/ed0aa344a8aaab4d8eedbe800750b8dcd36b0bcd
DIFF:
https://github.com/llvm/llvm-project/commit/ed0aa344a8aaab4d8eedbe800750b8dcd36b0bcd.diff
MaskRay wrote:
Test?
https://github.com/llvm/llvm-project/pull/83216
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@@ -942,20 +942,28 @@ CompressedOffloadBundle::compress(const
llvm::MemoryBuffer &Input,
Input.getBuffer().size());
llvm::compression::Format CompressionFormat;
+ int Level;
- if (llvm::compression::zstd::isAvailable())
+ if (llvm::compression::zstd::isAvailable(
@@ -1,4 +1,4 @@
-// REQUIRES: zlib
+// REQUIRES: zlib && !zstd
MaskRay wrote:
Since zstd configurations become more prevalence, `zlib && !zstd` would
essentially disable the test for increasingly more bots. But I guess this
cannot be improved.
https://github.c
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MaskRay wrote:
Gnu.cpp used by Linux doesn't have the problem. Thanks for fixing other targets.
https://github.com/llvm/llvm-project/pull/82715
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@@ -203,3 +203,12 @@
// RELOCATABLE-NOT: "-l
// RELOCATABLE-NOT: crt{{[^./\\]+}}.o
+// Check that the -X flag is passed to the linker on riscv64
MaskRay wrote:
The CHECK is self-explanatory and renders the comment redundant. The RUN line
may test additional
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Author: Fangrui Song
Date: 2024-03-03T18:10:46-08:00
New Revision: 2b5cd8be3af43e5aa5b76b6aeb1edd3141b803ca
URL:
https://github.com/llvm/llvm-project/commit/2b5cd8be3af43e5aa5b76b6aeb1edd3141b803ca
DIFF:
https://github.com/llvm/llvm-project/commit/2b5cd8be3af43e5aa5b76b6aeb1edd3141b803ca.diff
Author: Fangrui Song
Date: 2024-03-03T18:30:17-08:00
New Revision: 938ddbf349276c6ded6ef2d65432f41c512a86c6
URL:
https://github.com/llvm/llvm-project/commit/938ddbf349276c6ded6ef2d65432f41c512a86c6
DIFF:
https://github.com/llvm/llvm-project/commit/938ddbf349276c6ded6ef2d65432f41c512a86c6.diff
@@ -0,0 +1,165 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
UTC_ARGS: --version 4
+; RUN: llc < %s -mtriple=i686-unknown-unknown --relocation-model=pic
-enable-tlsdesc | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-pc-linu
https://github.com/MaskRay edited
https://github.com/llvm/llvm-project/pull/83136
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https://github.com/MaskRay edited
https://github.com/llvm/llvm-project/pull/83136
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https://github.com/MaskRay edited
https://github.com/llvm/llvm-project/pull/83277
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https://github.com/MaskRay approved this pull request.
https://github.com/llvm/llvm-project/pull/83277
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@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -triple aarch64-none-none -mbranch-target-enforce
-msign-return-address=all -fcxx-exceptions -fexceptions -emit-llvm %s -o - |
FileCheck %s --check-prefixes=CHECK
MaskRay wrote:
perhaps it's time to add CodeGenCXX/AArch64/ ?
MaskRay wrote:
It may be worth asking on https://github.com/facebook/zstd/ . I am sure zstd
maintainers are happy to see more adoption:)
https://github.com/llvm/llvm-project/pull/83605
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https://li
https://github.com/MaskRay closed
https://github.com/llvm/llvm-project/pull/77882
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MaskRay wrote:
The code has been removed by #77711
https://github.com/llvm/llvm-project/pull/77882
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https://github.com/MaskRay edited
https://github.com/llvm/llvm-project/pull/79924
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https://github.com/MaskRay updated
https://github.com/llvm/llvm-project/pull/79924
>From 07043d27155ffd89e23b64c77a99880b2fa57e57 Mon Sep 17 00:00:00 2001
From: Fangrui Song
Date: Mon, 29 Jan 2024 17:02:18 -0800
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
=?UTF
MaskRay wrote:
> LGTM in general.
>
> But the downside here is that the compiler won't be able to optimize away
> repeated stores if they are transformed to memset calls. Maybe introduce some
> threshold and only memset() sizes greater than, say, 64? (IIRC that's what
> `-ftrivial-auto-var-in
https://github.com/MaskRay updated
https://github.com/llvm/llvm-project/pull/79924
>From 07043d27155ffd89e23b64c77a99880b2fa57e57 Mon Sep 17 00:00:00 2001
From: Fangrui Song
Date: Mon, 29 Jan 2024 17:02:18 -0800
Subject: [PATCH 1/2] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20in?=
=?UTF
@@ -1293,8 +1293,19 @@ bool AArch64CallLowering::lowerCall(MachineIRBuilder
&MIRBuilder,
!Subtarget.noBTIAtReturnTwice() &&
MF.getInfo()->branchTargetEnforcement())
Opc = AArch64::BLR_BTI;
- else
+ else {
+// For an intrinsic call (e.g. memset),
https://github.com/MaskRay closed
https://github.com/llvm/llvm-project/pull/79924
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@@ -1461,6 +1493,33 @@ template void
RelocationScanner::scanOne(RelTy *&i) {
}
}
+ // if (config->emachine == EM_AARCH64 && type == R_AARCH64_AUTH_ABS64) {
MaskRay wrote:
Why is this commented out?
https://github.com/llvm/llvm-project/pull/72714
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