[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] Driver, CodeGen: Handle -falign-functions, -fno-align-functions and -falign-functions=1 correctly. (PR #149445)

MaskRay wrote: Can use some description what is the correct behavior. Perhaps https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#index-falign-functions > If n is not specified or is zero, use a machine-dependent default. https://github.com/llvm/llvm-project/pull/149445 _

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

@@ -230,22 +230,24 @@ uint64_t MCAssembler::computeFragmentSize(const MCFragment &F) const { case MCFragment::FT_Align: { unsigned Offset = F.Offset + F.getFixedSize(); unsigned Size = offsetToAlignment(Offset, F.getAlignment()); - -// Insert extra Nops for code

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

@@ -433,42 +434,44 @@ static void writeFragment(raw_ostream &OS, const MCAssembler &Asm, const auto &EF = cast(F); OS << StringRef(EF.getContents().data(), EF.getContents().size()); OS << StringRef(EF.getVarContents().data(), EF.getVarContents().size()); -if (F

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

@@ -992,7 +965,30 @@ void MCAssembler::layoutSection(MCSection &Sec) { uint64_t Offset = 0; for (MCFragment &F : Sec) { F.Offset = Offset; -Offset += computeFragmentSize(F); +if (F.getKind() == MCFragment::FT_Align) { + Offset += F.getFixedSize(); + un

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

MaskRay wrote: Next steps: * Allocate the fixed content as trailing data of the MCFragment by utilizing a special bump allocator (gnulib obstack) * Delete MCFixup member variables from MCFragment. Instead, add a MCFragment pointer to MCFixup. https://github.com/llvm/llvm-project/pull/149465 _

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay edited https://github.com/llvm/llvm-project/pull/149465 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/149465 ___ 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] [lld] [llvm] release/21.x: [Hexagon][llvm-objdump] Improve disassembly of Hexagon bundles (#145807) (PR #149578)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/149578 ___ 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] 7e3e2e1 - MCParser: Add SMLoc to expressions

Author: Fangrui Song Date: 2025-07-04T00:58:07-07:00 New Revision: 7e3e2e1b8c6ff21e68782a56164139cca334fcf3 URL: https://github.com/llvm/llvm-project/commit/7e3e2e1b8c6ff21e68782a56164139cca334fcf3 DIFF: https://github.com/llvm/llvm-project/commit/7e3e2e1b8c6ff21e68782a56164139cca334fcf3.diff

[llvm-branch-commits] [llvm] ARM: Move sjlj libcall configuration to RuntimeLibcalls (PR #147227)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/147227 ___ 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] SafeStack: Emit __safestack_pointer_address call through RuntimeLibcalls (PR #147916)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/147916 ___ 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] SafeStack: Check if __safestack_pointer_address is available (PR #147917)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/147917 ___ 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] SafeStack: Emit call to __stack_chk_fail through RuntimeLibcalls (PR #147915)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/147915 ___ 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] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay created https://github.com/llvm/llvm-project/pull/149465 Previously, two MCAsmBackend hooks were used, with shouldInsertFixupForCodeAlign calling getWriter().recordRelocation directly, bypassing generic code. This patch: * Introduces MCAsmBackend::relaxAlign to repla

[llvm-branch-commits] ELF: Add --preferred-function-alignment flag. (PR #149448)

MaskRay wrote: I haven't had the chance to review this patch in detail, but I’m concerned about the number of linker options required for the CFI feature. While I recognize its benefits, the complexity seems excessive. https://github.com/llvm/llvm-project/pull/149448 __

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

@@ -230,22 +230,24 @@ uint64_t MCAssembler::computeFragmentSize(const MCFragment &F) const { case MCFragment::FT_Align: { unsigned Offset = F.Offset + F.getFixedSize(); unsigned Size = offsetToAlignment(Offset, F.getAlignment()); - -// Insert extra Nops for code

[llvm-branch-commits] MC: Refactor FT_Align fragments when linker relaxation is enabled (PR #149465)

https://github.com/MaskRay edited https://github.com/llvm/llvm-project/pull/149465 ___ 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] IR: Introduce !elf_section_properties for setting section properties. (PR #149260)

@@ -53,3 +53,4 @@ LLVM_FIXED_MD_KIND(MD_DIAssignID, "DIAssignID", 38) LLVM_FIXED_MD_KIND(MD_coro_outside_frame, "coro.outside.frame", 39) LLVM_FIXED_MD_KIND(MD_mmra, "mmra", 40) LLVM_FIXED_MD_KIND(MD_noalias_addrspace, "noalias.addrspace", 41) +LLVM_FIXED_MD_KIND(MD_elf_section

[llvm-branch-commits] [clang] [flang] release/21.x: [SPARC][Driver] Move feature mode selection to Arch/Sparc.cpp (#149652) (PR #149756)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/149756 ___ 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/20.x: [RelLookupTableConverter] Drop unnamed_addr to avoid generating GOTPCREL relocations (#142304) (PR #142311)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/142311 ___ 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] Move relocation specifier constants to AArch64:: (PR #144633)

https://github.com/MaskRay created https://github.com/llvm/llvm-project/pull/144633 Rename these relocation specifier constants, aligning with the naming convention used by other targets (`S_` instead of `VK_`). * ELF/COFF: AArch64MCExpr::VK_ => AArch64::S_ (VK_ABS/VK_PAGE_ABS are also used b

[llvm-branch-commits] [llvm] [GOFF] Emit symbols for functions. (PR #144437)

@@ -41,6 +44,61 @@ void MCGOFFStreamer::changeSection(MCSection *Section, uint32_t Subsection) { MCObjectStreamer::changeSection(Section, Subsection); } +void MCGOFFStreamer::emitLabel(MCSymbol *Symbol, SMLoc Loc) { + MCObjectStreamer::emitLabel(Symbol, Loc); + cast(Symbo

[llvm-branch-commits] [llvm] [GOFF] Emit symbols for functions. (PR #144437)

https://github.com/MaskRay edited https://github.com/llvm/llvm-project/pull/144437 ___ 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] [GOFF] Emit symbols for functions. (PR #144437)

https://github.com/MaskRay commented: LGTM! But I will delegated to a GOFF expert for approval... https://github.com/llvm/llvm-project/pull/144437 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/ma

[llvm-branch-commits] Move relocation specifier constants to AArch64:: (PR #144633)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/144633 ___ 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] Move relocation specifier constants to AArch64:: (PR #144633)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/144633 ___ 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] [llvm-objdump] Support --symbolize-operand on AArch64 (PR #145009)

@@ -0,0 +1,67 @@ +# RUN: yaml2obj %s -o %t +# RUN: llvm-objdump %t -d --symbolize-operands --no-show-raw-insn --no-leading-addr | \ +# RUN: FileCheck %s --match-full-lines -DABS_ADRP_VAL=0x6000 +# RUN: llvm-objdump %t -d --symbolize-operands --no-show-raw-insn --no-leading-add

[llvm-branch-commits] [llvm] [llvm-objdump] Support --symbolize-operand on AArch64 (PR #145009)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/145009 ___ 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-objdump] Support --symbolize-operand on AArch64 (PR #145009)

https://github.com/MaskRay commented: Looks good, but I'd check whether @jh7370 has opinions on the test. (We need an executable for testing. llvm/test cannot use lld, so we have to resort to hexadecimal bytes...) https://github.com/llvm/llvm-project/pull/145009

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -0,0 +1,94 @@ +//===- TargetImpl.h -*- C++ -*-===// +// +// 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: Apa

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -0,0 +1,98 @@ +# REQUIRES: x86 + +## Test that the branch-to-branch optimization follows the links +## from f1 -> f2 -> f3 and updates all references to point to f3. + +# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o +# RUN: ld.lld %t.o -o %t --branch-to-branch

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -0,0 +1,92 @@ +//===- TargetImpl.h -*- C++ -*-===// +// +// 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: Apa

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -0,0 +1,94 @@ +//===- TargetImpl.h -*- C++ -*-===// MaskRay wrote: `//===--===//` for new file per https://llvm.org/docs/CodingStandards.html#file

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

MaskRay wrote: > [pcc](https://github.com/pcc) wants to merge 1 commit into > [users/pcc/spr/main.elf-add-branch-to-branch-optimization](https://github.com/llvm/llvm-project/tree/users/pcc/spr/main.elf-add-branch-to-branch-optimization) > from > [users/pcc/spr/elf-add-branch-to-branch-optimiza

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -975,6 +977,62 @@ void AArch64::relocateAlloc(InputSectionBase &sec, uint8_t *buf) const { } } +static std::optional getControlTransferAddend(InputSection &is, +Relocation &r) { + // Identify a control transfer rel

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

MaskRay wrote: Perhaps you'll need to change the base branch to `main` and force push to users/pcc/spr/elf-add-branch-to-branch-optimization? https://github.com/llvm/llvm-project/pull/138366 ___ llvm-branch-commits mailing list llvm-branch-commits@lis

[llvm-branch-commits] [lld] ELF: Add branch-to-branch optimization. (PR #138366)

@@ -0,0 +1,94 @@ +//===- TargetImpl.h -*- C++ -*-===// +// +// 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: Apa

[llvm-branch-commits] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

@@ -26,19 +26,15 @@ GOFFObjectWriter &MCGOFFStreamer::getWriter() { return static_cast(getAssembler().getWriter()); } -// Make sure that all section are registered in the correct order. -static void registerSectionHierarchy(MCAssembler &Asm, MCSectionGOFF *Section) { - if

[llvm-branch-commits] [lld] release/21.x: [lld] Add thunks for hexagon (#111217) (PR #149723)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/149723 ___ 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] [lld] release/21.x: [lld] [hexagon] guard allocateAux: only if idx nonzero (#149690) (PR #149733)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/149733 ___ 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] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/150183 ___ 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] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/150183 ___ 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] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/150183 ___ 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] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

https://github.com/MaskRay updated https://github.com/llvm/llvm-project/pull/150183 ___ 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] [clang] [DTLTO] Add Clang release note for LLVM 21 (PR #150172)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150172 ___ 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] [NFC][ELF] Don't duplicate DynamicReloc constructor (PR #150811)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150811 ___ 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] [NFCI][ELF][Mips] Replace MipsMultiGotPage with new RE_MIPS_OSEC_LOCAL_PAGE (PR #150810)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150810 ___ 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] [NFCI][ELF][Mips] Replace MipsMultiGotPage with new RE_MIPS_OSEC_LOCAL_PAGE (PR #150810)

@@ -470,7 +461,6 @@ class DynamicReloc { void computeRaw(Ctx &, SymbolTableBaseSection *symt); Symbol *sym; - const OutputSection *outputSec = nullptr; MaskRay wrote: Thanks for removing `outputSec`! https://github.com/llvm/llvm-project/pull/150810

[llvm-branch-commits] [NFC][ELF] Replace DynamicReloc::Kind with the equivalent bool in APIs (PR #150813)

MaskRay wrote: Is this the last change in the patch series? The use of booleans is a good move to prevent the complexity of MIPS-style dynamic relocations (which I haven’t fully analyzed). Thanks for tidying this up! https://github.com/llvm/llvm-project/pull/150813

[llvm-branch-commits] [NFC][ELF] Replace DynamicReloc::Kind with the equivalent bool in APIs (PR #150813)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150813 ___ 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] MC: Add ELF section and directive for specifying a section's preferred alignment. (PR #150151)

MaskRay wrote: There are some discussions on a codegen patch #149444 that I did not follow. Could you summarize the motivation in this patch's description? https://github.com/llvm/llvm-project/pull/150151 ___ llvm-branch-commits mailing list llvm-bran

[llvm-branch-commits] [NFCI][ELF] Merge AgainstSymbol and AgainstSymbolWithTargetVA (PR #150798)

https://github.com/MaskRay approved this pull request. When DynamicReloc::Kind was introduced, I was concerned of the many Kinds, but that was still better than the previous state. Thanks for the simplification. https://github.com/llvm/llvm-project/pull/150798 __

[llvm-branch-commits] [NFCI][ELF][Mips] Refactor MipsGotSection to avoid explicit writes (PR #150730)

MaskRay wrote: > The current code is quite crusty and divergent from non-MIPS in API use, but > fixing it up like this is quite high-risk, especially given how weird the > MIPS GOT is when it comes to the required initial memory state. Is anyone > using LLD for MIPS these days who can test thi

[llvm-branch-commits] [NFCI][ELF][Mips] Refactor MipsGotSection to avoid explicit writes (PR #150730)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150730 ___ 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] [NFCI][ELF] Introduce explicit Computed state for DynamicReloc (PR #150799)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150799 ___ 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] [lld] [llvm] release/21.x: [DTLTO][LLD][ELF] Support bitcode members of thin archives (#149425) (PR #151674)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/151674 ___ 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] [lld] release/21.x: [lld] Add thunks for hexagon (#111217) (PR #149723)

MaskRay wrote: > > @androm3da The hexagon-thunks-packets.s test added by this change is > > failing on our s390x builds. > > See > > [download.copr.fedorainfracloud.org/results/@fedora-llvm-team/llvm21/fedora-rawhide-s390x/09365945-llvm/builder-live.log.gz](https://download.copr.fedorainfraclou

[llvm-branch-commits] [lld] release/21.x: [ELF][Hexagon] Fix host endianness assumption (PR #151886)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/151886 ___ 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] GOFF: Only register sections within MCObjectStreamer::changeSection (PR #150183)

https://github.com/MaskRay created https://github.com/llvm/llvm-project/pull/150183 registerSection should only be called by MCObjectStreamer::changeSection. This will be utilized by a pending change to move initial fragment allocation from MCContext::createSection to MCStreamer::changeSection,

[llvm-branch-commits] [NFCI][ELF] Merge AddendOnly and AddendOnlyWithTargetVA (PR #150797)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150797 ___ 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] [NFCI][ELF] Store DynamicReloc Kind as two bools (PR #150812)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/150812 ___ 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] [GOFF] Add writing of text records (PR #137235)

@@ -50,26 +53,26 @@ class MCSectionGOFF final : public MCSection { friend class MCContext; friend class MCSymbolGOFF; - MCSectionGOFF(StringRef Name, SectionKind K, GOFF::SDAttr SDAttributes, -MCSectionGOFF *Parent) - : MCSection(SV_GOFF, Name, K.isTe

[llvm-branch-commits] MC: Emit symbols for R_X86_64_PLT32 relocation pointing to symbols with non-zero values. (PR #138795)

MaskRay wrote: The goal is to differentiate two scenarios when a symbol is referenced by a potential R_X86_64_PLT32 relocation: * `.4byte foo@plt - .` (LLVM assembly extension, not supported in GNU assembler): No redirection to a thunk. References foo or its PLT entry. * `jmp foo; .section .te

[llvm-branch-commits] [llvm] [GOFF] Add writing of section symbols (PR #133799)

MaskRay wrote: > @MaskRay Sorry, your comment is basically empty. I guess a GitHub problem? Sorry... Could be my accidentally pushing a comment to a wrong PR.. https://github.com/llvm/llvm-project/pull/133799 ___ llvm-branch-commits mailing list llvm

[llvm-branch-commits] MC: Emit symbols for R_X86_64_PLT32 relocation pointing to symbols with non-zero values. (PR #138795)

MaskRay wrote: I've read https://github.com/llvm/llvm-project/pull/138366#issuecomment-2855889424 but I am still not following. What is invalid? Note that range extension thunks track both the symbol and the addend (e.g. https://reviews.llvm.org/D70637 (AArch64)). So we could add a thunk for

[llvm-branch-commits] [clang] [KeyInstr][Clang] Agg init atom (PR #134635)

@@ -0,0 +1,39 @@ + MaskRay wrote: Use `clang/test/CodeGen/debug-info-*.c`? We use `%clang_cc1` in almost all non-driver tests https://github.com/llvm/llvm-project/pull/134635 ___ llvm-branch-commits mailing list llvm-

[llvm-branch-commits] ELF: Add a -z glibc-228-compat flag for working around an old glibc bug. (PR #133532)

https://github.com/MaskRay requested changes to this pull request. While at Google, I encountered this issue co-authored the glibc commit b5c45e83753b27dc538dff2d55d4410c385cf3a4. I don’t believe this is relevant for upstream LLD, so I haven’t pursued submitting a linker patch. The piece of LLD

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

@@ -0,0 +1,7 @@ +// RUN: llvm-mc -triple aarch64-elf -filetype=obj %s -o - | llvm-objdump -r - | FileCheck %s + +// Test that PATCHINST appears after JUMP26. +// CHECK: R_AARCH64_JUMP26 +// CHECK-NEXT: R_AARCH64_PATCHINST +.reloc ., R_AARCH64_PATCHINST, ds +b f1

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

@@ -0,0 +1,87 @@ +# RUN: rm -rf %t && split-file %s %t MaskRay wrote: consider adding `&& cd %t` so that we can remove `%t/` below, which clutter up the commands... https://github.com/llvm/llvm-project/pull/133534 ___

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

https://github.com/MaskRay edited https://github.com/llvm/llvm-project/pull/133534 ___ 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] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

https://github.com/MaskRay approved this pull request. The assembler part (BinaryFormat / Target/AArch64 changes) look good. The linker change should be made separate. But thank for combining this in a single PR, making the full picture clear:) https://github.com/llvm/llvm-project/pull/133534

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

@@ -61,6 +61,7 @@ ELF_RELOC(R_AARCH64_LD64_GOT_LO12_NC,0x138) ELF_RELOC(R_AARCH64_LD64_GOTPAGE_LO15, 0x139) ELF_RELOC(R_AARCH64_PLT32, 0x13a) ELF_RELOC(R_AARCH64_GOTPCREL32, 0x13b) +ELF_RELOC(R_AARCH64

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

MaskRay wrote: > The R_AARCH64_PATCHINST relocation type is to support deactivation symbols. > For more information, see the RFC: > [discourse.llvm.org/t/rfc-deactivation-symbols/85556](https://discourse.llvm.org/t/rfc-deactivation-symbols/85556) > > An AArch64 psABI extension proposal has bee

[llvm-branch-commits] ELF: Introduce R_AARCH64_PATCHINST relocation type. (PR #133534)

MaskRay wrote: Need an aarch64 maintainer's signoff on the llvm part. https://github.com/llvm/llvm-project/pull/133534 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch

[llvm-branch-commits] [llvm] [RISCV] Track Linker Relaxable through Assembly Relaxation (#152602) (PR #153670)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/153670 ___ 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] [RISCV] Track Linker Relaxable through Assembly Relaxation (#152602) (PR #153670)

@@ -361,6 +361,10 @@ static void attemptToFoldSymbolOffsetDifference(const MCAssembler *Asm, if (BBeforeRelax && AAfterRelax) return; } + const auto *RF = dyn_cast(F); + if (RF && RF->isLinkerRelaxable()) { +return; Ma

[llvm-branch-commits] [llvm] [RISCV] Track Linker Relaxable through Assembly Relaxation (PR #153670)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/153670 ___ 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] [not] Update disable-symbolization.test to work with internal shell (PR #157236)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/157236 ___ 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] [lld] Make lld tests use lit internal shell by default (PR #156538)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/156538 ___ 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] [MC] Rewrite stdin.s to use python (PR #157232)

MaskRay wrote: The previous, uglified lld tests, and this, make me believe that we should revisit the lit feature. I am not sure I agree with this test rewriting. https://github.com/llvm/llvm-project/pull/157232 ___ llvm-branch-commits mailing list ll

[llvm-branch-commits] [lld] Make cache-warning* tests work with internal shell (PR #156537)

https://github.com/MaskRay approved this pull request. LGTM. It's good to get rid of `$(($(cat %t.size.txt) + 5))` https://github.com/llvm/llvm-project/pull/156537 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.l

[llvm-branch-commits] [lld] CodeGen: Emit .prefalign directives based on the prefalign attribute. (PR #155529)

@@ -330,6 +325,18 @@ bool MachineFunction::shouldSplitStack() const { return getFunction().hasFnAttribute("split-stack"); } +Align MachineFunction::getPreferredAlignment() const { + Align PrefAlignment = Align(1); MaskRay wrote: Instead of reassigning to t

[llvm-branch-commits] ELF: Rename RandomizePaddingSection to PaddingSection. (PR #155540)

MaskRay wrote: This looks good regardless of the CFI jump table usage. https://github.com/llvm/llvm-project/pull/155540 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch

[llvm-branch-commits] IR: Introduce !elf_section_properties for setting section properties. (PR #149260)

MaskRay wrote: The property, if we decide to introduce, does not need to be too extensible. That is because within the section header type `Elf64_Shdr`, `sh_name, sh_offset, sh_size, sh_link, sh_info` can already be controlled. This patch makes sh_type/sh_entsize customiable. I wonder whether

[llvm-branch-commits] [lld] ELF: Introduce R_AARCH64_FUNCINIT64 relocation type. (PR #133531)

https://github.com/MaskRay edited https://github.com/llvm/llvm-project/pull/133531 ___ 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] [lld] ELF: Introduce R_AARCH64_FUNCINIT64 relocation type. (PR #133531)

https://github.com/MaskRay commented: The lld part should be extracted to a separate patch. The patch has a base branch. Is it still used? https://github.com/llvm/llvm-project/pull/133531 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.

[llvm-branch-commits] [lld] ELF: Introduce R_AARCH64_FUNCINIT64 relocation type. (PR #133531)

@@ -0,0 +1,18 @@ +# REQUIRES: aarch64 + +# RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o +# RUN: not ld.lld %t.o -o %t 2>&1 | FileCheck --check-prefix=ERR %s + +.rodata +# ERR: relocation R_AARCH64_FUNCINIT64 cannot be used against local symbol MaskRay wro

[llvm-branch-commits] [lld] ELF: Introduce R_AARCH64_FUNCINIT64 relocation type. (PR #133531)

@@ -0,0 +1,19 @@ +# REQUIRES: aarch64 + +# RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o +# RUN: ld.lld %t.o -o %t +# RUN: llvm-readelf -s -r %t | FileCheck %s +# RUN: ld.lld %t.o -o %t -pie +# RUN: llvm-readelf -s -r %t | FileCheck %s +# RUN: not ld.lld %t.o -o %t -shared

[llvm-branch-commits] [llvm] release/21.x: MC: Better handle backslash-escaped symbols (PR #159420)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/159420 ___ 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] [lld] release/21.x: [ELF] -r/--emit-relocs: Fix crash when processing .rela.text before .text (#156354) (PR #159948)

https://github.com/MaskRay approved this pull request. https://github.com/llvm/llvm-project/pull/159948 ___ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits

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