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>From 1b436900146e1a91efac95416077485571722517 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Mon, 24 Jun 2024 16:55:08 -0700
Subject: [PATCH 1/3] Add __hlt intrinsic for Windows ARM.
---
clang/include/clang/
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>From 1b436900146e1a91efac95416077485571722517 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Mon, 24 Jun 2024 16:55:08 -0700
Subject: [PATCH 1/2] Add __hlt intrinsic for Windows ARM.
---
clang/include/clang/
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None
>From 1b436900146e1a91efac95416077485571722517 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Mon, 24 Jun 2024 16:55:08 -0700
Subject: [PATCH] Add __hlt intrinsic for Windows ARM.
---
clang/include/clan
amykhuang wrote:
Yes, feel free to take over that part, thanks!
https://github.com/llvm/llvm-project/pull/95259
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https://github.com/amykhuang approved this pull request.
Looks reasonable to me.
https://github.com/llvm/llvm-project/pull/95259
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amykhuang wrote:
nevermind, that example is working as intended
https://github.com/llvm/llvm-project/pull/91699
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amykhuang wrote:
here's a reduced example of what we ran into in Chrome. I guess the attribute
is being applied to a function that's passed to `f()`, and the warning points
to the call in the definition of `f`.
```
#define a(b) __attribute__((__availability__(android, introduced = b)))
#defin
https://github.com/amykhuang approved this pull request.
Thanks for the fix
https://github.com/llvm/llvm-project/pull/93235
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https://github.com/amykhuang approved this pull request.
lgtm!
https://github.com/llvm/llvm-project/pull/92141
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amykhuang wrote:
I looked at this a bit and the change that increases the constexpr restrictions
is that `ext_defaulted_comparison_constexpr_mismatch` (which was added in
https://reviews.llvm.org/D146090) became
`err_incorrect_defaulted_comparison_constexpr`?
https://github.com/llvm/llvm-proj
https://github.com/amykhuang closed
https://github.com/llvm/llvm-project/pull/85145
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amykhuang wrote:
Whoops, not very familiar with git pull requests, I guess. actually reapplying
the commit now
https://github.com/llvm/llvm-project/pull/77753
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https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/85145
This reverts commit 003e292f9895a9cf4e30688269efa668d1fcbb09 because there were
dependent changes in the codebase that now fail.
>From d8f21288633aefd1528133ccdf46c5dc790e4f1f Mon Sep 17 00:00:00 2001
From: A
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amykhuang wrote:
Nevermind, unreverted since there appear to be newer tests that use this patch.
https://github.com/llvm/llvm-project/pull/77753
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https://github.com/llvm/llvm-project/pull/85140
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amykhuang wrote:
I'm assuming this behavior is unintended? Sorry for the late revert
https://github.com/llvm/llvm-project/pull/77753
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https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/85136
Revert "[Clang][C++23] Implement P2448R2: Relaxing some constexpr restrictions
(#77753)"
This reverts commit 99500e8c08a4d941acb8a7eb00523296fb2acf7a because it causes
a behavior change for std=c++20. See
htt
amykhuang wrote:
Hi, this is causing failures for Chrome, building with c++20:
```
$ cat t.cc
template class StrongAlias {
friend constexpr bool operator==(const StrongAlias &, const StrongAlias &) =
default;
Type value;
};
class Token {};
bool operator==(const Token&, const Token&);
Str
https://github.com/amykhuang closed
https://github.com/llvm/llvm-project/pull/74776
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https://github.com/llvm/llvm-project/pull/74776
no_unique_address makes it possible for a class to be empty and have non-zero
virtual size, so just remove this assert.
Bug: https://github.com/llvm/llvm-project/issues/74442
>From c3dedfd535f037fb54a8e04640f
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https://github.com/llvm/llvm-project/pull/70877
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>From e24ee9cbc51d0f372c30512ce5722b2bc32e20d0 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Tue, 31 Oct 2023 16:45:17 -0700
Subject: [PATCH 1/2] Fix attribute plugins
---
clang/lib/Sema/ParsedAttr.cpp | 15
amykhuang wrote:
Whoops, sorry about that, I guess I am failing to update my fork properly...
https://github.com/llvm/llvm-project/pull/70877
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>From 8216d6bc5329d4fcb723db14e2c503cb718cb36d Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Tue, 31 Oct 2023 16:45:17 -0700
Subject: [PATCH 1/2] Fix attribute plugins
---
clang/lib/Sema/ParsedAttr.cpp | 15
amykhuang wrote:
ping for review?
https://github.com/llvm/llvm-project/pull/70877
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>From 18369263a3160963b943cd8574edaa212b6d0996 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Tue, 31 Oct 2023 16:45:17 -0700
Subject: [PATCH 1/2] Fix attribute plugins
---
clang/lib/Sema/ParsedAttr.cpp | 15
amykhuang wrote:
Updated the PR description and the patch. The existing
`clang/test/Frontend/plugin-attribute.cpp` seems sufficient for test coverage.
(I guess it wasn't being tested on bots though, otherwise we would have seen
it?)
https://github.com/llvm/llvm-project/pull/70877
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/70877
>From 18369263a3160963b943cd8574edaa212b6d0996 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Tue, 31 Oct 2023 16:45:17 -0700
Subject: [PATCH] Fix attribute plugins
---
clang/lib/Sema/ParsedAttr.cpp | 15
https://github.com/amykhuang edited
https://github.com/llvm/llvm-project/pull/70877
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amykhuang wrote:
Huh, apparently my no-unique-address patch did break existing plugin tests
(e.g. clang/test/Frontend/plugin-attribute.cpp), and this patch doesn't fix it
https://github.com/llvm/llvm-project/pull/70877
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https://github.com/llvm/llvm-project/pull/70877
[0faee97](https://github.com/llvm/llvm-project/commit/0faee97a924adec76d5c7cd680c289ced51e6b5a)
made the attribute plugin code hit an unreachable.
Bug: [70702](https://github.com/llvm/llvm-project/issues/70702
https://github.com/amykhuang closed
https://github.com/llvm/llvm-project/pull/67174
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>From b1f0feeaed93edfdd692858e9d63ab6bbb94c0a5 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 22 Sep 2023 14:40:14 -0700
Subject: [PATCH 1/4] Recommit "Implement [[msvc::no_unique_address]] (#65675)"
Chan
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amykhuang wrote:
Added a section for target specific spellings in
`GenerateHasAttrSpellingStringSwitch`, and a check for "existsInTarget" in
`ParseCXX11AttributeArgs`, and looks like all tests are passing now.
https://github.com/llvm/llvm-project/pull/67199
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/67199
>From b1f0feeaed93edfdd692858e9d63ab6bbb94c0a5 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 22 Sep 2023 14:40:14 -0700
Subject: [PATCH 1/3] Recommit "Implement [[msvc::no_unique_address]] (#65675)"
Chan
amykhuang wrote:
hmm this passes most of the checks in SemaCXX/cxx2a-no-unique-address.cpp, but
fails "attribute 'no_unique_address' cannot have an argument list". Also fails
Preprocessor/has_attribute.cpp because both attributes are recognized on
itanium and windows targets.
https://github.c
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/67199
>From b1f0feeaed93edfdd692858e9d63ab6bbb94c0a5 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 22 Sep 2023 14:40:14 -0700
Subject: [PATCH 1/2] Recommit "Implement [[msvc::no_unique_address]] (#65675)"
Chan
@@ -1798,11 +1798,24 @@ def ArmMveStrictPolymorphism : TypeAttr,
TargetSpecificAttr {
let Documentation = [ArmMveStrictPolymorphismDocs];
}
-def NoUniqueAddress : InheritableAttr, TargetSpecificAttr
{
- let Spellings = [CXX11<"", "no_unique_address", 201803>];
+def NoUniq
amykhuang wrote:
Previous commit attempt caused sphinx errors. Also, because we now have two
attributes for the itanium and MSVC versions, there are two separate sections
in the documentation, which I didn't realize before.
https://github.com/llvm/llvm-project/pull/67199
__
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https://github.com/llvm/llvm-project/pull/67199
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https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/67199
Change the attribute docs so that there is a separate one for the MSVC
attribute.
This reverts commit 71f9e7695b87298f9855d8890f0e6a3b89381eb5.
>From b1f0feeaed93edfdd692858e9d63ab6bbb94c0a5 Mon Sep 17 00:00:
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https://github.com/llvm/llvm-project/pull/67198
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https://github.com/llvm/llvm-project/pull/67198
This reverts commit 4a55d426967b9c70f5dea7b3a389e11393a4f4c4.
Reverting because this breaks sphinx documentation, and even with it
fixed the format of the attribute makes the no_unique_address
documentation sho
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None
>From d5347c906ac7db40f9b31ad0c0bcd193df453e4e Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 22 Sep 2023 13:54:28 -0700
Subject: [PATCH] Fix attr docs from previous no-unique-adderss change
---
cl
https://github.com/amykhuang closed
https://github.com/llvm/llvm-project/pull/65675
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https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/67174
Implement __prefetch intrinsic.
MSVC docs:
https://learn.microsoft.com/en-us/cpp/intrinsics/arm64-intrinsics?view=msvc-170
Bug: https://github.com/llvm/llvm-project/issues/65405
>From c60ccb5cb84b7855b3a4a9
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>From de9c8618210103074e580105ce894e66dba782a9 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Thu, 7 Sep 2023 11:32:17 -0700
Subject: [PATCH 1/3] [MSVC, ARM64] Add _Copy* and _Count* intrinsics
---
clang/incl
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/66554
>From de9c8618210103074e580105ce894e66dba782a9 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Thu, 7 Sep 2023 11:32:17 -0700
Subject: [PATCH 1/3] [MSVC, ARM64] Add _Copy* and _Count* intrinsics
---
clang/incl
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@@ -10779,6 +10779,70 @@ Value
*CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
return Load;
}
+ if (BuiltinID == AArch64::BI_CopyDoubleFromInt64 ||
+ BuiltinID == AArch64::BI_CopyFloatFromInt32 ||
+ BuiltinID == AArch64::BI_CopyInt32FromFloat ||
https://github.com/amykhuang resolved
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@@ -270,6 +269,20 @@ TARGET_HEADER_BUILTIN(__readx18word, "UsUNi", "nh",
INTRIN_H, ALL_MS_LANGUAGES,
TARGET_HEADER_BUILTIN(__readx18dword, "UNiUNi", "nh", INTRIN_H,
ALL_MS_LANGUAGES, "")
TARGET_HEADER_BUILTIN(__readx18qword, "ULLiUNi", "nh", INTRIN_H,
ALL_MS_LANGUAGES, "")
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/66554
>From de9c8618210103074e580105ce894e66dba782a9 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Thu, 7 Sep 2023 11:32:17 -0700
Subject: [PATCH 1/3] [MSVC, ARM64] Add _Copy* and _Count* intrinsics
---
clang/incl
@@ -10779,6 +10779,70 @@ Value
*CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
return Load;
}
+ if (BuiltinID == AArch64::BI_CopyDoubleFromInt64 ||
+ BuiltinID == AArch64::BI_CopyFloatFromInt32 ||
+ BuiltinID == AArch64::BI_CopyInt32FromFloat ||
amykhuang wrote:
Are there any other comments here? I think I've addressed all the existing ones.
https://github.com/llvm/llvm-project/pull/65675
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>From 481337fde54dc4d7f68a604952a963c99913675d Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 21 Jul 2023 16:30:30 -0700
Subject: [PATCH 1/6] Implement [[msvc::no_unique_address]]
This attribute should ma
amykhuang wrote:
> > We should consider whether we want to support `__msvc_no_unique_address__`
> > or similar as an alternative spelling #61196
>
> I think `[[__msvc__::__no_unique_address__]]` would be better. This is how
> the clang and gnu attributes are handled too. I'm also fine with han
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https://github.com/llvm/llvm-project/pull/66554
>From f0375650be09359ac1a87dd7a60a9415a55cf837 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Thu, 7 Sep 2023 11:32:17 -0700
Subject: [PATCH 1/3] [MSVC, ARM64] Add _Copy* and _Count* intrinsics
---
clang/incl
@@ -10752,6 +10752,68 @@ Value
*CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
return Load;
}
+ if (BuiltinID == AArch64::BI_CopyDoubleFromInt64 ||
+ BuiltinID == AArch64::BI_CopyFloatFromInt32 ||
+ BuiltinID == AArch64::BI_CopyInt32FromFloat ||
@@ -10752,6 +10752,68 @@ Value
*CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
return Load;
}
+ if (BuiltinID == AArch64::BI_CopyDoubleFromInt64 ||
+ BuiltinID == AArch64::BI_CopyFloatFromInt32 ||
+ BuiltinID == AArch64::BI_CopyInt32FromFloat ||
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/66554
>From 2f18bc9802942e5fa08181026212ea711f9f16a9 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Thu, 7 Sep 2023 11:32:17 -0700
Subject: [PATCH] [MSVC, ARM64] Add _Copy* and _Count* intrinsics
---
clang/include/
https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/66554
Implement the _Count* and _Copy* Windows ARM intrinsics:
```
double _CopyDoubleFromInt64(__int64)
float _CopyFloatFromInt32(__int32)
__int32 _CopyInt32FromFloat(float)
__int64 _CopyInt64FromDouble(double)
unsig
@@ -55,7 +55,7 @@ CXX11(unlikely)
// CHECK: likely: 201803L
// CHECK: maybe_unused: 201603L
// ITANIUM: no_unique_address: 201803L
-// WINDOWS: no_unique_address: 0
+// WINDOWS: no_unique_address: 201803L
amykhuang wrote:
Tried this and the inheritance part w
https://github.com/amykhuang resolved
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https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/65675:
>From 923a43cd6386f6e57023fd8928eed0dc0ab04d57 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 21 Jul 2023 16:30:30 -0700
Subject: [PATCH 1/3] Implement [[msvc::no_unique_address]]
This attribute should m
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/65675:
>From 923a43cd6386f6e57023fd8928eed0dc0ab04d57 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 21 Jul 2023 16:30:30 -0700
Subject: [PATCH 1/3] Implement [[msvc::no_unique_address]]
This attribute should m
https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/65675:
>From 923a43cd6386f6e57023fd8928eed0dc0ab04d57 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 21 Jul 2023 16:30:30 -0700
Subject: [PATCH 1/3] Implement [[msvc::no_unique_address]]
This attribute should m
@@ -4505,6 +4505,14 @@ bool FieldDecl::isZeroSize(const ASTContext &Ctx) const {
if (!CXXRD->isEmpty())
return false;
+ // MS ABI: nonzero if class type with class type fields
amykhuang wrote:
As far as I can tell the cases above still apply to MSVC so
https://github.com/amykhuang resolved
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@@ -2999,17 +3139,17 @@ void MicrosoftRecordLayoutBuilder::layoutBitField(const
FieldDecl *FD) {
auto NewSize = Context.toCharUnitsFromBits(
llvm::alignDown(FieldBitOffset, Context.toBits(Info.Alignment)) +
Context.toBits(Info.Size));
-Size = std::max(S
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https://github.com/amykhuang updated
https://github.com/llvm/llvm-project/pull/65675:
>From 923a43cd6386f6e57023fd8928eed0dc0ab04d57 Mon Sep 17 00:00:00 2001
From: Amy Huang
Date: Fri, 21 Jul 2023 16:30:30 -0700
Subject: [PATCH 1/2] Implement [[msvc::no_unique_address]]
This attribute should m
@@ -2937,14 +2964,97 @@ void MicrosoftRecordLayoutBuilder::layoutNonVirtualBase(
BaseOffset = CharUnits::Zero();
} else {
// Otherwise, lay the base out at the end of the MDC.
- BaseOffset = Size = Size.alignTo(Info.Alignment);
+ BaseOffset = DataSize
@@ -3055,7 +3195,7 @@ void MicrosoftRecordLayoutBuilder::injectVBPtr(const
CXXRecordDecl *RD) {
// It is possible that there were no fields or bases located after vbptr,
// so the size was not adjusted before.
if (Size < FieldStart)
- Size = FieldStart;
+
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https://github.com/amykhuang created
https://github.com/llvm/llvm-project/pull/65675:
This implements the [[msvc::no_unique_address]] attribute.
There is not ABI compatibility in this patch because the attribute is
relatively new and there's still some uncertainty in the MSVC version.
Bug: ht
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Author: Amy Huang
Date: 2023-07-26T16:13:36-07:00
New Revision: 27dab4d305acb6e0935e014c061c5317016ae2b3
URL:
https://github.com/llvm/llvm-project/commit/27dab4d305acb6e0935e014c061c5317016ae2b3
DIFF:
https://github.com/llvm/llvm-project/commit/27dab4d305acb6e0935e014c061c5317016ae2b3.diff
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