[llvm-branch-commits] [llvm] DAG: Handle AssertNoFPClass in computeKnownBits (PR #167289)

https://github.com/arsenm ready_for_review https://github.com/llvm/llvm-project/pull/167289 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] DAG: Handle AssertNoFPClass in computeKnownBits (PR #167289)

arsenm wrote: > [!WARNING] > This pull request is not mergeable via GitHub because a downstack PR is > open. Once all requirements are satisfied, merge this PR as a stack href="https://app.graphite.com/github/pr/llvm/llvm-project/167289?utm_source=stack-comment-downstack-mergeability-warning";

[llvm-branch-commits] [llvm] DAG: Handle AssertNoFPClass in computeKnownBits (PR #167289)

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/167289 It's possible to determine the sign bit if the value is known one of the positive/negative classes and not-nan. >From bb863b1346b9be8b77d79d566eba6105873b8293 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date:

[llvm-branch-commits] [llvm] [SpecialCaseList] Add backward compatible dot-slash handling (PR #162511)

https://github.com/vitalybuka edited https://github.com/llvm/llvm-project/pull/162511 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] WIP: DotSlash backward compartible (PR #162511)

https://github.com/vitalybuka edited https://github.com/llvm/llvm-project/pull/162511 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [SpecialCaseList] Switch to Version 3. (PR #167283)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes The difference from Version 2 is that file path will be matched twice: as is and after removing leading "./". --- Full diff: https://github.com/llvm/llvm-project/pull/167283.diff 2 Files Affected:

[llvm-branch-commits] [NFC][SpecialCaseList] Precommit Version 4 tests (PR #167282)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes At the moment the behavior is no different from Version 3. --- Full diff: https://github.com/llvm/llvm-project/pull/167282.diff 1 Files Affected: - (modified) llvm/unittests/Support/SpecialCaseLi

[llvm-branch-commits] [NFC][SpecialCaseList] Convert `preprocess` into `LazyInit` (PR #167281)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes Currently SpecialCaseList created at least twice, one on by `Driver`, for diagnostics only, and then the real one by the `ASTContext`. Also, deppending on enabled sanitizers, not all sections will be

[llvm-branch-commits] [NFC][SpecialCaseList] Move most of implementation in cpp file (PR #167280)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes This commit moves the `RegexMatcher`, `GlobMatcher`, `Matcher` and `Section` classes into an anonymous namespace within `SpecialCaseList.cpp`. These classes are implementation details of `SpecialCaseL

[llvm-branch-commits] [NFC][SpecialCaseList] Store SectionStr as StringRef (PR #167278)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes The SectionStr is already copied in addSection, so there is no need to copy it again in the Section constructor. --- Full diff: https://github.com/llvm/llvm-project/pull/167278.diff 2 Files Affect

[llvm-branch-commits] [SpecialCaseList] Switch to Version 3. (PR #167283)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167283 The difference from Version 2 is that file path will be matched twice: as is and after removing leading "./". ___ llvm-branch-commits mailing list llvm-branch-com

[llvm-branch-commits] [NFC][SpecialCaseList] Rename `Section::SectionStr` to `Name` (PR #167279)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes --- Full diff: https://github.com/llvm/llvm-project/pull/167279.diff 1 Files Affected: - (modified) llvm/include/llvm/Support/SpecialCaseList.h (+4-4) ``diff diff --git a/llvm/include/

[llvm-branch-commits] [llvm] WIP: DotSlash backward compartible (PR #162511)

https://github.com/vitalybuka edited https://github.com/llvm/llvm-project/pull/162511 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] WIP: DotSlash backward compartible (PR #162511)

https://github.com/vitalybuka updated https://github.com/llvm/llvm-project/pull/162511 >From 8122ad974f18892e829843710958fbd4bac0926e Mon Sep 17 00:00:00 2001 From: Vitaly Buka Date: Wed, 8 Oct 2025 09:41:04 -0700 Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20change?= =?U

[llvm-branch-commits] [NFC][SpecialCaseList] Refactor error handling (PR #167277)

llvmbot wrote: @llvm/pr-subscribers-llvm-support Author: Vitaly Buka (vitalybuka) Changes Will help in future patches. --- Full diff: https://github.com/llvm/llvm-project/pull/167277.diff 1 Files Affected: - (modified) llvm/lib/Support/SpecialCaseList.cpp (+7-5) ``diff diff

[llvm-branch-commits] [NFC][SpecialCaseList] Convert `preprocess` into `LazyInit` (PR #167281)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167281 Currently SpecialCaseList created at least twice, one on by `Driver`, for diagnostics only, and then the real one by the `ASTContext`. Also, deppending on enabled sanitizers, not all sections will be used. I

[llvm-branch-commits] [NFC][SpecialCaseList] Hide Section internal in private section (PR #167276)

llvmbot wrote: @llvm/pr-subscribers-clang Author: Vitaly Buka (vitalybuka) Changes Preparing to moving most of implementation out of the header file. --- Full diff: https://github.com/llvm/llvm-project/pull/167276.diff 5 Files Affected: - (modified) clang/lib/Basic/Diagnostic.cpp (+1-

[llvm-branch-commits] [NFC][SpecialCaseList] Precommit Version 4 tests (PR #167282)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167282 At the moment the behavior is no different from Version 3. ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/

[llvm-branch-commits] [NFC][Support] Remove unused getLongestMatch from SpecialCaseList (PR #167193)

https://github.com/vitalybuka updated https://github.com/llvm/llvm-project/pull/167193 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [llvm] [clang] Switch warning suppression multi-match rule to "last match takes precedence" (PR #162237)

https://github.com/vitalybuka updated https://github.com/llvm/llvm-project/pull/162237 >From b0aa1c4f6462bba4700a7b72804370bd9fddc453 Mon Sep 17 00:00:00 2001 From: Vitaly Buka Date: Tue, 7 Oct 2025 00:56:26 -0700 Subject: [PATCH 1/2] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20ch?= =?U

[llvm-branch-commits] [NFC][Support] Remove unused getLongestMatch from SpecialCaseList (PR #167193)

https://github.com/vitalybuka updated https://github.com/llvm/llvm-project/pull/167193 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [llvm] [clang] Switch warning suppression multi-match rule to "last match takes precedence" (PR #162237)

https://github.com/vitalybuka edited https://github.com/llvm/llvm-project/pull/162237 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [NFC][SpecialCaseList] Move most of implementation in cpp file (PR #167280)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167280 This commit moves the `RegexMatcher`, `GlobMatcher`, `Matcher` and `Section` classes into an anonymous namespace within `SpecialCaseList.cpp`. These classes are implementation details of `SpecialCaseList` and

[llvm-branch-commits] [NFC][SpecialCaseList] Rename `Section::SectionStr` to `Name` (PR #167279)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167279 None ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [NFC][SpecialCaseList] Store SectionStr as StringRef (PR #167278)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167278 The SectionStr is already copied in addSection, so there is no need to copy it again in the Section constructor. ___ llvm-branch-commits mailing list llvm-branch-

[llvm-branch-commits] [NFC][SpecialCaseList] Refactor error handling (PR #167277)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167277 Will help in future patches. ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-c

[llvm-branch-commits] [NFC][SpecialCaseList] Hide Section internal in private section (PR #167276)

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/167276 Preparing to moving most of implementation out of the header file. ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/

[llvm-branch-commits] [llvm] DAG: Fold copysign with a known signmask to a disjoint or (PR #167266)

llvmbot wrote: @llvm/pr-subscribers-backend-amdgpu Author: Matt Arsenault (arsenm) Changes If the sign bit is a computed sign mask (i.e., we know it's either +0 or -0), turn this into a disjoint or. This pattern appears in the pow implementations. We also need to know the sign bit of the

[llvm-branch-commits] [llvm] AMDGPU: Add baseline tests for copysign with known signmask input (PR #167265)

llvmbot wrote: @llvm/pr-subscribers-backend-amdgpu Author: Matt Arsenault (arsenm) Changes --- Full diff: https://github.com/llvm/llvm-project/pull/167265.diff 2 Files Affected: - (modified) llvm/test/CodeGen/AMDGPU/copysign-simplify-demanded-bits.ll (+108) - (added) llvm/test/CodeGe

[llvm-branch-commits] [llvm] AMDGPU: Add baseline tests for copysign with known signmask input (PR #167265)

llvmbot wrote: @llvm/pr-subscribers-llvm-selectiondag Author: Matt Arsenault (arsenm) Changes --- Full diff: https://github.com/llvm/llvm-project/pull/167265.diff 2 Files Affected: - (modified) llvm/test/CodeGen/AMDGPU/copysign-simplify-demanded-bits.ll (+108) - (added) llvm/test/Cod

[llvm-branch-commits] [llvm] DAG: Fold copysign with a known signmask to a disjoint or (PR #167266)

https://github.com/arsenm ready_for_review https://github.com/llvm/llvm-project/pull/167266 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] DAG: Fold copysign with a known signmask to a disjoint or (PR #167266)

https://github.com/arsenm edited https://github.com/llvm/llvm-project/pull/167266 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] AMDGPU: Add baseline tests for copysign with known signmask input (PR #167265)

arsenm wrote: > [!WARNING] > This pull request is not mergeable via GitHub because a downstack PR is > open. Once all requirements are satisfied, merge this PR as a stack href="https://app.graphite.com/github/pr/llvm/llvm-project/167265?utm_source=stack-comment-downstack-mergeability-warning";

[llvm-branch-commits] [llvm] DAG: Fold copysign with a known signmask to a disjoint or (PR #167266)

arsenm wrote: > [!WARNING] > This pull request is not mergeable via GitHub because a downstack PR is > open. Once all requirements are satisfied, merge this PR as a stack href="https://app.graphite.com/github/pr/llvm/llvm-project/167266?utm_source=stack-comment-downstack-mergeability-warning";

[llvm-branch-commits] [llvm] AMDGPU: Add baseline tests for copysign with known signmask input (PR #167265)

https://github.com/arsenm ready_for_review https://github.com/llvm/llvm-project/pull/167265 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] DAG: Fold copysign with a known signmask to a disjoint or (PR #167266)

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/167266 DAG: Fold copysign with a known signmask to a disjoint or If the sign bit is a computed sign mask (i.e., we know it's either +0 or -0), turn this into a disjoint or. This pattern appears in the pow implementation

[llvm-branch-commits] [llvm] AMDGPU: Add baseline tests for copysign with known signmask input (PR #167265)

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/167265 None >From 0effb2d4cefc121ac929ba8aea4af82e052d4d3f Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Fri, 7 Nov 2025 22:20:41 -0800 Subject: [PATCH] AMDGPU: Add baseline tests for copysign with known signmask

[llvm-branch-commits] [llvm] DAG: Add AssertNoFPClass from call return attributes (PR #167264)

llvmbot wrote: @llvm/pr-subscribers-llvm-selectiondag Author: Matt Arsenault (arsenm) Changes This defends against regressions in future patches. This excludes the target intrinsic case for now; I'm worried introducing an intermediate AssertNoFPClass is likely to break combines. --- Full

[llvm-branch-commits] [llvm] DAG: Add AssertNoFPClass from call return attributes (PR #167264)

https://github.com/arsenm ready_for_review https://github.com/llvm/llvm-project/pull/167264 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] DAG: Add AssertNoFPClass from call return attributes (PR #167264)

arsenm wrote: > [!WARNING] > This pull request is not mergeable via GitHub because a downstack PR is > open. Once all requirements are satisfied, merge this PR as a stack href="https://app.graphite.com/github/pr/llvm/llvm-project/167264?utm_source=stack-comment-downstack-mergeability-warning";

[llvm-branch-commits] [llvm] DAG: Add AssertNoFPClass from call return attributes (PR #167264)

https://github.com/arsenm created https://github.com/llvm/llvm-project/pull/167264 This defends against regressions in future patches. This excludes the target intrinsic case for now; I'm worried introducing an intermediate AssertNoFPClass is likely to break combines. >From 0696fe61de175a41ac8a

[llvm-branch-commits] [llvm] [LoongArch][DAGCombiner] Combine vand (vnot ..) to vandn (PR #161037)

ylzsx wrote: ping https://github.com/llvm/llvm-project/pull/161037 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] release/21.x: [LoongArch] Add `isSafeToMove` hook to prevent unsafe instruction motion (#163725) (PR #166936)

https://github.com/wangleiat approved this pull request. LGTM, thanks. https://github.com/llvm/llvm-project/pull/166936 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-

[llvm-branch-commits] [llvm] [BPF] Add CLI option to enable misaligned memory access (PR #167013)

clairechingching wrote: Hey @yonghong-song I tried moving the `-bpf-allow-misaligned-mem-access` option into BPFSubtarget, but realized that the parameters managed there are mostly about CPU instruction-set features. It seems more consistent to keep `-bpf-allow-misaligned-mem-access` where it

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/Xazax-hun approved this pull request. https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 updated https://github.com/llvm/llvm-project/pull/167245 >From 8e0d7d89d011eb5b3ddc76c3a4d6fc32ad9abe54 Mon Sep 17 00:00:00 2001 From: Utkarsh Saxena Date: Sun, 9 Nov 2025 20:23:40 + Subject: [PATCH] lifetime-safety-paren --- clang/lib/Analysis/LifetimeSafety/Orig

[llvm-branch-commits] [RFC][Clang] Allow plugins to hook into back-end (PR #165257)

aengelke wrote: ping -- are there further opinions or any objections to this direction? https://github.com/llvm/llvm-project/pull/165257 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/list

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

llvmbot wrote: @llvm/pr-subscribers-clang-analysis Author: Utkarsh Saxena (usx95) Changes Add support for handling parenthesized expressions in lifetime safety analysis. Modified the `OriginManager::get` method to ignore parentheses when retrieving origins by recursively calling itself o

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 edited https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 ready_for_review https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 edited https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 edited https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 edited https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] [LifetimeSafety] Ignore parentheses when tracking expressions (PR #167245)

https://github.com/usx95 edited https://github.com/llvm/llvm-project/pull/167245 ___ llvm-branch-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [clang] lifetime-safety-paren (PR #167245)

https://github.com/usx95 updated https://github.com/llvm/llvm-project/pull/167245 >From 818b350b41924d477abe93643180cc45f9f33566 Mon Sep 17 00:00:00 2001 From: Utkarsh Saxena Date: Sun, 9 Nov 2025 20:23:40 + Subject: [PATCH] lifetime-safety-paren --- clang/lib/Analysis/LifetimeSafety/Orig

[llvm-branch-commits] [clang] lifetime-safety-paren (PR #167245)

usx95 wrote: > [!WARNING] > This pull request is not mergeable via GitHub because a downstack PR is > open. Once all requirements are satisfied, merge this PR as a stack href="https://app.graphite.com/github/pr/llvm/llvm-project/167245?utm_source=stack-comment-downstack-mergeability-warning"; >

[llvm-branch-commits] [clang] lifetime-safety-paren (PR #167245)

https://github.com/usx95 created https://github.com/llvm/llvm-project/pull/167245 None >From 0daf4537eafb50fd313c9ee520087231350e2df1 Mon Sep 17 00:00:00 2001 From: Utkarsh Saxena Date: Sun, 9 Nov 2025 20:23:40 + Subject: [PATCH] lifetime-safety-paren --- clang/lib/Analysis/LifetimeSafet