Author: Bill Wendling
Date: 2022-10-06T11:01:25-07:00
New Revision: c131883146c2efdef5c6ee17d624f8cada277d9d
URL:
https://github.com/llvm/llvm-project/commit/c131883146c2efdef5c6ee17d624f8cada277d9d
DIFF:
https://github.com/llvm/llvm-project/commit/c131883146c2efdef5c6ee17d624f8cada277d9d.diff
Author: Bill Wendling
Date: 2022-10-13T12:05:40-07:00
New Revision: 8c7b3461a5346a66088d884500c2b3c2829b4652
URL:
https://github.com/llvm/llvm-project/commit/8c7b3461a5346a66088d884500c2b3c2829b4652
DIFF:
https://github.com/llvm/llvm-project/commit/8c7b3461a5346a66088d884500c2b3c2829b4652.diff
Author: Bill Wendling
Date: 2022-10-14T14:46:19-07:00
New Revision: 91b3823bd000b1a6ffde96a6363098f59307317a
URL:
https://github.com/llvm/llvm-project/commit/91b3823bd000b1a6ffde96a6363098f59307317a
DIFF:
https://github.com/llvm/llvm-project/commit/91b3823bd000b1a6ffde96a6363098f59307317a.diff
Author: Bill Wendling
Date: 2023-02-06T14:26:32-08:00
New Revision: f85a9a6452e8f49f9768d66a86434a88a5891614
URL:
https://github.com/llvm/llvm-project/commit/f85a9a6452e8f49f9768d66a86434a88a5891614
DIFF:
https://github.com/llvm/llvm-project/commit/f85a9a6452e8f49f9768d66a86434a88a5891614.diff
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/66958
>From ed8d57d182510f2d33ad4fe78cd88c717cefbd47 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 20 Sep 2023 15:11:00 -0700
Subject: [PATCH 1/2] [NFC][CodeGen] Create method to clear registers
Place the
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/66958
>From ed8d57d182510f2d33ad4fe78cd88c717cefbd47 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 20 Sep 2023 15:11:00 -0700
Subject: [PATCH 1/2] [NFC][CodeGen] Create method to clear registers
Place the
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/66958
>From ed8d57d182510f2d33ad4fe78cd88c717cefbd47 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 20 Sep 2023 15:11:00 -0700
Subject: [PATCH 1/3] [NFC][CodeGen] Create method to clear registers
Place the
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/66958
>From ed8d57d182510f2d33ad4fe78cd88c717cefbd47 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 20 Sep 2023 15:11:00 -0700
Subject: [PATCH 1/3] [NFC][CodeGen] Create method to clear registers
Place the
https://github.com/bwendling resolved
https://github.com/llvm/llvm-project/pull/66958
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bwendling wrote:
> I'm assuming there are other targets that would benefit from being converted
> as well? Not asking you to do it, just wondering what the best way to get it
> done is.
Yeah, the other platforms can implement this when / if they need it. It's
really just a convenience functio
bwendling wrote:
> I'm assuming there are other targets that would benefit from being converted
> as well? Not asking you to do it, just wondering what the best way to get it
> done is.
Yeah, the other platforms can implement this when / if they need it. It's
really just a convenience functio
@@ -8335,6 +8335,26 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
return MF.getFunction().hasMinSize();
}
+void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
bwendling wrote:
Yes, in particular I want to call it
@@ -8335,6 +8335,26 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
return MF.getFunction().hasMinSize();
}
+void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
bwendling wrote:
Yes, in particular I want to call it
@@ -2057,6 +2057,14 @@ class TargetInstrInfo : public MCInstrInfo {
"Target didn't implement TargetInstrInfo::insertOutlinedCall!");
}
+ /// Insert an architecture-specific instruction to clear a register.
+ virtual void buildClearRegister(Register Reg, MachineBasi
@@ -2057,6 +2057,14 @@ class TargetInstrInfo : public MCInstrInfo {
"Target didn't implement TargetInstrInfo::insertOutlinedCall!");
}
+ /// Insert an architecture-specific instruction to clear a register.
+ virtual void buildClearRegister(Register Reg, MachineBasi
https://github.com/bwendling edited
https://github.com/llvm/llvm-project/pull/66958
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@@ -8335,6 +8335,26 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
return MF.getFunction().hasMinSize();
}
+void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
bwendling wrote:
I added more context to the commit m
@@ -8335,6 +8335,26 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
return MF.getFunction().hasMinSize();
}
+void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
bwendling wrote:
I added more context to the commit m
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/67193
>From 6db37f7f76347a7821d9a95c0fdac4e250df2e78 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Fri, 22 Sep 2023 12:35:09 -0700
Subject: [PATCH 1/2] [CodeGen] Avoid potential sideeffects from XOR
XOR may cha
https://github.com/bwendling resolved
https://github.com/llvm/llvm-project/pull/67193
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@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -574,8 +574,8 @@ class X86InstrInfo final : public X86GenInstrInfo {
outliner::Candidate &C) const override;
void buildClearRegister(Register Reg, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator Iter,
-
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -9796,27 +9796,34 @@ X86InstrInfo::insertOutlinedCall(Module &M,
MachineBasicBlock &MBB,
return It;
}
-void X86InstrInfo::buildClearRegister(Register Reg,
- MachineBasicBlock &MBB,
+void X86InstrInfo::buildClearRegister(Register Reg,
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -574,8 +574,8 @@ class X86InstrInfo final : public X86GenInstrInfo {
outliner::Candidate &C) const override;
void buildClearRegister(Register Reg, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator Iter,
-
@@ -574,8 +574,8 @@ class X86InstrInfo final : public X86GenInstrInfo {
outliner::Candidate &C) const override;
void buildClearRegister(Register Reg, MachineBasicBlock &MBB,
- MachineBasicBlock::iterator Iter,
-
https://github.com/bwendling edited
https://github.com/llvm/llvm-project/pull/67193
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>From 6db37f7f76347a7821d9a95c0fdac4e250df2e78 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Fri, 22 Sep 2023 12:35:09 -0700
Subject: [PATCH 1/4] [CodeGen] Avoid potential sideeffects from XOR
XOR may cha
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/67193
>From 6db37f7f76347a7821d9a95c0fdac4e250df2e78 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Fri, 22 Sep 2023 12:35:09 -0700
Subject: [PATCH 1/4] [CodeGen] Avoid potential sideeffects from XOR
XOR may cha
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/67193
>From 6db37f7f76347a7821d9a95c0fdac4e250df2e78 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Fri, 22 Sep 2023 12:35:09 -0700
Subject: [PATCH 1/5] [CodeGen] Avoid potential sideeffects from XOR
XOR may cha
@@ -9066,21 +9066,23 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -2088,12 +2088,12 @@ class TargetInstrInfo : public MCInstrInfo {
}
/// Insert an architecture-specific instruction to clear a register. If you
- /// need to avoid sideeffects (e.g. XOR on x86), set \p NoSideEffects to \p
- /// true.
+ /// need to avoid sideeffects (
@@ -9066,21 +9066,23 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
Yes, I mean to do it as a direct follow-up. 😊
-bw
On Tue, Oct 3, 2023, 6:31 AM Aaron Ballman via Phabricator <
revi...@reviews.llvm.org> wrote:
> aaron.ballman added inline comments.
>
>
>
> Comment at: clang/lib/Sema/SemaDeclAttr.cpp:8420-8428
> +if (Result.getResultKind()
https://github.com/bwendling approved this pull request.
https://github.com/llvm/llvm-project/pull/67772
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Author: Bill Wendling
Date: 2023-10-04T18:26:15-07:00
New Revision: 9a954c693573281407f6ee3f4eb1b16cc545033d
URL:
https://github.com/llvm/llvm-project/commit/9a954c693573281407f6ee3f4eb1b16cc545033d
DIFF:
https://github.com/llvm/llvm-project/commit/9a954c693573281407f6ee3f4eb1b16cc545033d.diff
https://github.com/bwendling created
https://github.com/llvm/llvm-project/pull/68750
The 'counted_by' attribute is used on flexible array members. The argument for
the attribute is the name of the field member in the same structure holding the
count of elements in the flexible array. This info
bwendling wrote:
This is identical to the original change
(9a954c693573281407f6ee3f4eb1b16cc545033d), but with a fix for the issue
@alexfh discovered
(https://github.com/llvm/llvm-project/commit/9a954c693573281407f6ee3f4eb1b16cc545033d#commitcomment-129529574).
The change is on lines 473-475
bwendling wrote:
And @AaronBallman, I haven't forgotten my promise to change the diagnostics.
I've been on vacation, and it's become trickier to get them to work the other
way than I had first thought. The change is coming soon though.
https://github.com/llvm/llvm-project/pull/68750
__
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/68750
>From b7b0c40542589e9c54c21140dbb5b163dd8ffc7b Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 4 Oct 2023 17:55:49 -0700
Subject: [PATCH 1/2] [Clang] Implement the 'counted_by' attribute
The 'counted_b
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/68750
>From b7b0c40542589e9c54c21140dbb5b163dd8ffc7b Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 4 Oct 2023 17:55:49 -0700
Subject: [PATCH 1/3] [Clang] Implement the 'counted_by' attribute
The 'counted_b
bwendling wrote:
@AaronBallman I just added a patch that modifies the diagnostics to be more in
line with what you wanted. PTAL.
https://github.com/llvm/llvm-project/pull/68750
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>From b7b0c40542589e9c54c21140dbb5b163dd8ffc7b Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 4 Oct 2023 17:55:49 -0700
Subject: [PATCH 1/4] [Clang] Implement the 'counted_by' attribute
The 'counted_b
bwendling wrote:
@nickdesaulniers and @alexfh Any comments? :-)
https://github.com/llvm/llvm-project/pull/68750
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>From 6db37f7f76347a7821d9a95c0fdac4e250df2e78 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Fri, 22 Sep 2023 12:35:09 -0700
Subject: [PATCH 1/5] [CodeGen] Avoid potential sideeffects from XOR
XOR may cha
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
@@ -9066,21 +9066,18 @@ bool
AArch64InstrInfo::shouldOutlineFromFunctionByDefault(
void AArch64InstrInfo::buildClearRegister(Register Reg, MachineBasicBlock &MBB,
MachineBasicBlock::iterator Iter,
-
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bwendling wrote:
>From the feedback, I think this change may be a bit premature. As I mentioned,
>there's already a way to zero the stack upon entry to the function.
What I *really* want to do is zero out the register that held the stack guard
value, like in the GCC patch @nickdesaulniers poin
https://github.com/bwendling closed
https://github.com/llvm/llvm-project/pull/65461
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https://github.com/bwendling created
https://github.com/llvm/llvm-project/pull/66339:
Minimize the headers included in header files to reduce the number of files
that need recompiled after a change.
>From fafc158270aa454253d885111c297ab0aaaca7dc Mon Sep 17 00:00:00 2001
From: Bill Wendling
Da
https://github.com/bwendling review_requested
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Author: Bill Wendling
Date: 2023-09-01T15:23:46-07:00
New Revision: 671365225ccce00b063f7becfee4388aa7ab013a
URL:
https://github.com/llvm/llvm-project/commit/671365225ccce00b063f7becfee4388aa7ab013a
DIFF:
https://github.com/llvm/llvm-project/commit/671365225ccce00b063f7becfee4388aa7ab013a.diff
Author: Bill Wendling
Date: 2023-09-05T13:12:01-07:00
New Revision: b0cbf3a0dac51d426dd38c307f745e74f409aed7
URL:
https://github.com/llvm/llvm-project/commit/b0cbf3a0dac51d426dd38c307f745e74f409aed7
DIFF:
https://github.com/llvm/llvm-project/commit/b0cbf3a0dac51d426dd38c307f745e74f409aed7.diff
Author: Bill Wendling
Date: 2023-09-05T13:12:00-07:00
New Revision: 7d6283fd09016fda711a3ad211be7d25336dabc6
URL:
https://github.com/llvm/llvm-project/commit/7d6283fd09016fda711a3ad211be7d25336dabc6
DIFF:
https://github.com/llvm/llvm-project/commit/7d6283fd09016fda711a3ad211be7d25336dabc6.diff
Author: Bill Wendling
Date: 2023-09-05T16:18:20-07:00
New Revision: 3e19b10b02a72c21c3961fbfd3a0aa86dbe60c70
URL:
https://github.com/llvm/llvm-project/commit/3e19b10b02a72c21c3961fbfd3a0aa86dbe60c70
DIFF:
https://github.com/llvm/llvm-project/commit/3e19b10b02a72c21c3961fbfd3a0aa86dbe60c70.diff
Author: Bill Wendling
Date: 2022-12-02T15:05:29-08:00
New Revision: 768107d77993f3e84517cef8fd8f0c2f5d7c41c7
URL:
https://github.com/llvm/llvm-project/commit/768107d77993f3e84517cef8fd8f0c2f5d7c41c7
DIFF:
https://github.com/llvm/llvm-project/commit/768107d77993f3e84517cef8fd8f0c2f5d7c41c7.diff
Author: Bill Wendling
Date: 2020-02-24T18:51:29-08:00
New Revision: 50cac248773c3a023e8f6ceb9938bdd5e9f15da2
URL:
https://github.com/llvm/llvm-project/commit/50cac248773c3a023e8f6ceb9938bdd5e9f15da2
DIFF:
https://github.com/llvm/llvm-project/commit/50cac248773c3a023e8f6ceb9938bdd5e9f15da2.diff
Okay. I'll take a look at it. Sorry about the failure.
On Tue, Feb 25, 2020 at 1:37 AM Yvan Roux wrote:
> Hi Bill,
>
> This commit broke AArch64 bots, logs are available here:
>
> http://lab.llvm.org:8011/builders/clang-cmake-aarch64-quick/builds/22291/steps/ninja%20check%201/logs/FAIL%3A%20Clan
Author: Bill Wendling
Date: 2020-02-25T11:48:23-08:00
New Revision: e11f9fb4508534d31b09d2ba6cd22428ccc75f65
URL:
https://github.com/llvm/llvm-project/commit/e11f9fb4508534d31b09d2ba6cd22428ccc75f65
DIFF:
https://github.com/llvm/llvm-project/commit/e11f9fb4508534d31b09d2ba6cd22428ccc75f65.diff
Hi Vlad,
I just submitted a fix for this: e11f9fb4508534d31b09d2ba6cd22428ccc75f65
On Tue, Feb 25, 2020 at 11:42 AM Vlad Vereschaka via Phabricator <
revi...@reviews.llvm.org> wrote:
> vvereschaka added a comment.
>
> Hello @void ,
>
> this commit breaks Aarch64 builder with failed
> `Clang::uni
Author: Bill Wendling
Date: 2020-02-25T12:31:53-08:00
New Revision: 6d0d1a63f2a6c120f206a83e7c1ddae9fa5a569a
URL:
https://github.com/llvm/llvm-project/commit/6d0d1a63f2a6c120f206a83e7c1ddae9fa5a569a
DIFF:
https://github.com/llvm/llvm-project/commit/6d0d1a63f2a6c120f206a83e7c1ddae9fa5a569a.diff
I had to re-do the patch. It works for me now...Sorry about the failure!
On Tue, Feb 25, 2020 at 12:10 PM Leonard Chan via Phabricator <
revi...@reviews.llvm.org> wrote:
> leonardchan added a comment.
>
> Woops, sorry. Didn't see you sent out
> https://reviews.llvm.org/rGe11f9fb4508534d31b09d2ba6
Author: Bill Wendling
Date: 2019-11-05T13:15:55-08:00
New Revision: ee10d93449eccfd3b6e6ae8f02551b1a03a4
URL:
https://github.com/llvm/llvm-project/commit/ee10d93449eccfd3b6e6ae8f02551b1a03a4
DIFF:
https://github.com/llvm/llvm-project/commit/ee10d93449eccfd3b6e6ae8f02551b1a03a4.diff
Author: Bill Wendling
Date: 2019-11-22T12:35:43-08:00
New Revision: 9180f8a57436da0ce91d9d4885702a10f89571bc
URL:
https://github.com/llvm/llvm-project/commit/9180f8a57436da0ce91d9d4885702a10f89571bc
DIFF:
https://github.com/llvm/llvm-project/commit/9180f8a57436da0ce91d9d4885702a10f89571bc.diff
Author: Bill Wendling
Date: 2019-11-22T12:51:41-08:00
New Revision: 2b795637b9024d76e53cd303ad74ac02ba22da5b
URL:
https://github.com/llvm/llvm-project/commit/2b795637b9024d76e53cd303ad74ac02ba22da5b
DIFF:
https://github.com/llvm/llvm-project/commit/2b795637b9024d76e53cd303ad74ac02ba22da5b.diff
Author: Bill Wendling
Date: 2019-12-02T14:09:21-08:00
New Revision: 936de1c5bc2dfbec25318985cddb7345d989a7ee
URL:
https://github.com/llvm/llvm-project/commit/936de1c5bc2dfbec25318985cddb7345d989a7ee
DIFF:
https://github.com/llvm/llvm-project/commit/936de1c5bc2dfbec25318985cddb7345d989a7ee.diff
Author: Bill Wendling
Date: 2020-03-10T13:48:48-07:00
New Revision: 72aa619a7fe0e2f90959b0614f6388c09aba8913
URL:
https://github.com/llvm/llvm-project/commit/72aa619a7fe0e2f90959b0614f6388c09aba8913
DIFF:
https://github.com/llvm/llvm-project/commit/72aa619a7fe0e2f90959b0614f6388c09aba8913.diff
Author: Bill Wendling
Date: 2020-03-10T15:26:03-07:00
New Revision: 218dd339541f574f76d7310f6c3269bfe3262d08
URL:
https://github.com/llvm/llvm-project/commit/218dd339541f574f76d7310f6c3269bfe3262d08
DIFF:
https://github.com/llvm/llvm-project/commit/218dd339541f574f76d7310f6c3269bfe3262d08.diff
Author: Bill Wendling
Date: 2023-03-02T12:09:29-08:00
New Revision: 554ba996956559acdab777d18999b9985d95be4c
URL:
https://github.com/llvm/llvm-project/commit/554ba996956559acdab777d18999b9985d95be4c
DIFF:
https://github.com/llvm/llvm-project/commit/554ba996956559acdab777d18999b9985d95be4c.diff
Author: Bill Wendling
Date: 2023-04-05T15:46:40-07:00
New Revision: bfee6f1142368e522d09551930ef90f4e6be1f42
URL:
https://github.com/llvm/llvm-project/commit/bfee6f1142368e522d09551930ef90f4e6be1f42
DIFF:
https://github.com/llvm/llvm-project/commit/bfee6f1142368e522d09551930ef90f4e6be1f42.diff
Author: Bill Wendling
Date: 2023-04-07T11:37:05-07:00
New Revision: 2cbf5127d58553fd6224a1ec809536bccc5b8510
URL:
https://github.com/llvm/llvm-project/commit/2cbf5127d58553fd6224a1ec809536bccc5b8510
DIFF:
https://github.com/llvm/llvm-project/commit/2cbf5127d58553fd6224a1ec809536bccc5b8510.diff
Author: Bill Wendling
Date: 2023-02-07T12:59:17-08:00
New Revision: 3c07db5f58e9852f35202f0fffed50fc7506f37b
URL:
https://github.com/llvm/llvm-project/commit/3c07db5f58e9852f35202f0fffed50fc7506f37b
DIFF:
https://github.com/llvm/llvm-project/commit/3c07db5f58e9852f35202f0fffed50fc7506f37b.diff
Author: Bill Wendling
Date: 2023-04-18T13:48:08-07:00
New Revision: b51a03e1bbe7ea8868ffb24472fc532d0c00943c
URL:
https://github.com/llvm/llvm-project/commit/b51a03e1bbe7ea8868ffb24472fc532d0c00943c
DIFF:
https://github.com/llvm/llvm-project/commit/b51a03e1bbe7ea8868ffb24472fc532d0c00943c.diff
Author: Bill Wendling
Date: 2024-02-21T12:21:35-08:00
New Revision: 7fa8585fdefd98dd73940c74165aa55da1175f02
URL:
https://github.com/llvm/llvm-project/commit/7fa8585fdefd98dd73940c74165aa55da1175f02
DIFF:
https://github.com/llvm/llvm-project/commit/7fa8585fdefd98dd73940c74165aa55da1175f02.diff
https://github.com/bwendling approved this pull request.
https://github.com/llvm/llvm-project/pull/82432
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https://github.com/bwendling closed
https://github.com/llvm/llvm-project/pull/82432
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https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/86858
>From 31af119d614ef2108b5404f9c9387ec45aa1bfef Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Thu, 21 Mar 2024 15:07:31 -0700
Subject: [PATCH 1/8] [Clang][objectsize] Generate object size calculation for
s
bwendling wrote:
That last commit message was a mistake. :-/ This is almost ready for another
look. Please stay tunded.
https://github.com/llvm/llvm-project/pull/86858
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https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/86858
>From 31af119d614ef2108b5404f9c9387ec45aa1bfef Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Thu, 21 Mar 2024 15:07:31 -0700
Subject: [PATCH 1/8] [Clang][objectsize] Generate object size calculation for
s
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/86858
>From 31af119d614ef2108b5404f9c9387ec45aa1bfef Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Thu, 21 Mar 2024 15:07:31 -0700
Subject: [PATCH 01/10] [Clang][objectsize] Generate object size calculation
for
https://github.com/bwendling created
https://github.com/llvm/llvm-project/pull/107300
Refactor attribute parsing so that the main code parsing an attribute can be
called by a separate code path that doesn't start with the '__attribute'
keyword.
>From c30c6c11686cc95ba20eb7000d210b17757fbfe3 M
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/107300
>From c30c6c11686cc95ba20eb7000d210b17757fbfe3 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 4 Sep 2024 12:49:04 -0700
Subject: [PATCH 1/2] [Parser][NFC] Move the core parsing of an attribute into
a
@@ -2943,6 +2943,9 @@ class Parser : public CodeCompletionHandler {
return false;
}
+ bool ParseGNUSingleAttribute(ParsedAttributes &Attrs, SourceLocation &EndLoc,
bwendling wrote:
> Ah, I see. The WG14 specified one is __builtin_has_c_attribute, corre
https://github.com/bwendling updated
https://github.com/llvm/llvm-project/pull/107300
>From c30c6c11686cc95ba20eb7000d210b17757fbfe3 Mon Sep 17 00:00:00 2001
From: Bill Wendling
Date: Wed, 4 Sep 2024 12:49:04 -0700
Subject: [PATCH 1/3] [Parser][NFC] Move the core parsing of an attribute into
a
https://github.com/bwendling closed
https://github.com/llvm/llvm-project/pull/107300
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@@ -4248,6 +4248,22 @@ bool CompilerInvocation::ParseLangArgs(LangOptions
&Opts, ArgList &Args,
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
}
+ if (auto *A = Args.getLastArg(OPT_fsanitize_overflow_pattern_exclusion_EQ)) {
+for (int i
@@ -0,0 +1,83 @@
+// Check for potential false positives from patterns that _almost_ match
classic overflow-dependent or overflow-prone code patterns
bwendling wrote:
In general, I think it's expected the RUN lines will be first and any comments
about the test
@@ -555,6 +570,11 @@ class LangOptions : public LangOptionsBase {
/// The default stream kind used for HIP kernel launching.
GPUDefaultStreamKind GPUDefaultStream;
+ /// Which overflow patterns should be excluded from sanitizer instrumentation
+ int OverflowPatternExclus
@@ -2877,6 +2888,17 @@ ScalarExprEmitter::EmitScalarPrePostIncDec(const
UnaryOperator *E, LValue LV,
} else if (type->isIntegerType()) {
QualType promotedType;
bool canPerformLossyDemotionCheck = false;
+
+// Is the pattern "while (i--)" and overflow exclusion?
+
@@ -293,6 +293,40 @@ To silence reports from unsigned integer overflow, you can
set
``-fsanitize-recover=unsigned-integer-overflow``, is particularly useful for
providing fuzzing signal without blowing up logs.
+Disabling instrumentation for common overflow patterns
+
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