[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-14 Thread via llvm-branch-commits
AtariDreams wrote: Fixed issue where incorrect code is generated on AArch64 when the source code has multiple different comparisons with the same two values. https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-bra

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-14 Thread Tom Stellard via llvm-branch-commits
tstellar wrote: @AtariDreams (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix. When you are done, please add the release:note label to this PR. https://g

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-14 Thread Tom Stellard via llvm-branch-commits
https://github.com/tstellar closed https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-14 Thread Tom Stellard via llvm-branch-commits
https://github.com/tstellar updated https://github.com/llvm/llvm-project/pull/91151 >From 47b6dc45e39aea5369308c602f0d6341a054aca2 Mon Sep 17 00:00:00 2001 From: Weihang Fan <134108011+weihangf-ap...@users.noreply.github.com> Date: Sun, 5 May 2024 04:01:13 -0700 Subject: [PATCH] [AArch64][Select

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-14 Thread David Green via llvm-branch-commits
davemgreen wrote: LGTM, I believe this should be safe to merge, if there are people asking for it. https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/ma

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-13 Thread Tom Stellard via llvm-branch-commits
tstellar wrote: @davemgreen What do you think about backporting this? https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-co

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-09 Thread via llvm-branch-commits
https://github.com/AtariDreams updated https://github.com/llvm/llvm-project/pull/91151 >From b3d50315c9cda097b881d06e23c1e71e945658f6 Mon Sep 17 00:00:00 2001 From: Weihang Fan <134108011+weihangf-ap...@users.noreply.github.com> Date: Sun, 5 May 2024 04:01:13 -0700 Subject: [PATCH] [AArch64][Sel

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-06 Thread via llvm-branch-commits
AtariDreams wrote: Actually there may be a better solution I'm gonna look into it first https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/list

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-05 Thread Nikita Popov via llvm-branch-commits
https://github.com/nikic milestoned https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-05 Thread via llvm-branch-commits
llvmbot wrote: @llvm/pr-subscribers-backend-aarch64 Author: AtariDreams (AtariDreams) Changes In DAGCombiner, the `performCONDCombine` function attempts to remove AND instructions in front of SUBS (cmp) instructions for which the AND is transparent. The rules for that are correct, but it

[llvm-branch-commits] [llvm] release/18.x: [AArch64][SelectionDAG] Mask for SUBS with multiple users cannot be elided (#90911) (PR #91151)

2024-05-05 Thread via llvm-branch-commits
https://github.com/AtariDreams edited https://github.com/llvm/llvm-project/pull/91151 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits