[all-commits] [llvm/llvm-project] c4c0de: [AArch64][clang][llvm] Add support for Armv9.7-A l...

Mon Apr 13 06:19:39 PDT 2026

  Branch: refs/heads/users/jthackray/acle_lut_intrinsic
  Home:   https://github.com/llvm/llvm-project
  Commit: c4c0de236750eecce0c8aac9a6389d4d506dc6e3
      https://github.com/llvm/llvm-project/commit/c4c0de236750eecce0c8aac9a6389d4d506dc6e3
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sme.td
    M clang/include/clang/Basic/arm_sve.td
    M clang/lib/Basic/Targets/AArch64.cpp
    M clang/lib/Basic/Targets/AArch64.h
    A clang/test/CodeGen/AArch64/sme2p3-intrinsics/acle_sme2p3_luti6.c
    A clang/test/CodeGen/AArch64/sve2p3-intrinsics/acle_sve2p3_luti6.c
    M clang/test/Preprocessor/aarch64-target-features.c
    A clang/test/Sema/aarch64-sme2p3-intrinsics/acle_sme2p3_imm.c
    A clang/test/Sema/aarch64-sme2p3-intrinsics/acle_sme2p3_target.c
    A clang/test/Sema/aarch64-sme2p3-intrinsics/acle_sme2p3_target_lane.c
    A clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_imm.cpp
    A clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target.c
    A clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target_lane.c
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SMEInstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/CodeGen/AArch64/sme2p3-intrinsics-luti6.ll
    A llvm/test/CodeGen/AArch64/sve2p3-intrinsics-luti6.ll
    A llvm/test/Verifier/AArch64/luti6-intrinsics.ll

  Log Message:
  -----------
  [AArch64][clang][llvm] Add support for Armv9.7-A lookup table intrinsics

Add support for the following Armv9.7-A Lookup Table (lut)
instruction intrinsics:

SVE2.3
```c
  // Variant is  also available for: _u8 _mf8
  svint8_t svluti6[_s8](svint8x2_t table, svuint8_t indices);
```

SVE2.3 and SME2.3
``` c
  // Variants are also available for _u16_x2 and _f16_x2.
  svint16_t svluti6_lane[_s16_x2](svint16x2_t table, svuint8_t indices, uint64_t imm_idx);
```

SME2.3
```c
  // Variant are also available for: _u16, _f16 and _bf16.
  svint16x4_t svluti6_lane_s16_x4[_s16_x2](svint16x2_t table, svuint8x2_t indices, uint64_t imm_idx);

  // Variants are also available for: _u8 and _mf8.
  svint8x4_t svluti6_zt_s8_x4(uint64_t zt0, svuint8x3_t zn) __arm_streaming __arm_in("zt0");

  // Variants are also available for: _u8 and _mf8.
  svint8_t svluti6_zt_s8(uint64_t zt0, svuint8_t zn) __arm_streaming __arm_in("zt0");
```

  Commit: 6aa59fa09ca04146abd69530d96e1687dccb0257
      https://github.com/llvm/llvm-project/commit/6aa59fa09ca04146abd69530d96e1687dccb0257
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/lib/Basic/Targets/AArch64.cpp
    M clang/lib/Basic/Targets/AArch64.h
    M clang/test/Preprocessor/aarch64-target-features.c
    M llvm/lib/Target/AArch64/AArch64SMEInstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SMEInstrFormats.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td

  Log Message:
  -----------
  fixup! Address PR comments

  Commit: 5cc9caaf5412a36cbb0ad73bd4eda7a6ee7fc4f3
      https://github.com/llvm/llvm-project/commit/5cc9caaf5412a36cbb0ad73bd4eda7a6ee7fc4f3
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp

  Log Message:
  -----------
  fixup! Reuse SelectMultiVectorLuti()

  Commit: ff5d3f9885a371c3cab343de9cd282019e5beba7
      https://github.com/llvm/llvm-project/commit/ff5d3f9885a371c3cab343de9cd282019e5beba7
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp

  Log Message:
  -----------
  fixup! Add overloaded AArch64DAGToDAGISel::EmitMultiVectorLutiLane() for reuse

  Commit: 2e36a94983dcc08e5e8055537507d50d0ffd6f1b
      https://github.com/llvm/llvm-project/commit/2e36a94983dcc08e5e8055537507d50d0ffd6f1b
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td

  Log Message:
  -----------
  fixup! Address PR comments

  Commit: dcf62767157f701971aaa017ebd4999e50930929
      https://github.com/llvm/llvm-project/commit/dcf62767157f701971aaa017ebd4999e50930929
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sme.td
    M clang/include/clang/Basic/arm_sve.td
    M clang/lib/Sema/SemaARM.cpp
    M clang/test/CodeGen/AArch64/sme2p3-intrinsics/acle_sme2p3_luti6.c
    M clang/test/CodeGen/AArch64/sve2p3-intrinsics/acle_sve2p3_luti6.c
    M clang/test/Sema/aarch64-sme2p3-intrinsics/acle_sme2p3_target_lane.c
    M clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target_lane.c
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
    M llvm/lib/Target/AArch64/SVEInstrFormats.td

  Log Message:
  -----------
  fixup! Address more PR comments

  Commit: 45d7c0aff1e5b56a081ce3f63092aecdbb2fd47e
      https://github.com/llvm/llvm-project/commit/45d7c0aff1e5b56a081ce3f63092aecdbb2fd47e
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    M clang/test/CodeGen/AArch64/sve2p3-intrinsics/acle_sve2p3_luti6.c
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    M llvm/test/Verifier/AArch64/luti6-intrinsics.ll

  Log Message:
  -----------
  fixup! Fix final PR comments for now

  Commit: a452e688c4a5baf601eef500fa70d1e0b76a43af
      https://github.com/llvm/llvm-project/commit/a452e688c4a5baf601eef500fa70d1e0b76a43af
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    M clang/lib/Sema/SemaARM.cpp
    M clang/test/Sema/aarch64-sme2p3-intrinsics/acle_sme2p3_target_lane.c
    M clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target_lane.c

  Log Message:
  -----------
  fixup! Address more PR comments

  Commit: 4042968a201f13642c788245c2eecfe0ff36e9fc
      https://github.com/llvm/llvm-project/commit/4042968a201f13642c788245c2eecfe0ff36e9fc
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
    M llvm/test/CodeGen/AArch64/sme2p3-intrinsics-luti6.ll
    M llvm/test/CodeGen/AArch64/sve2p3-intrinsics-luti6.ll
    M llvm/test/Verifier/AArch64/luti6-intrinsics.ll

  Log Message:
  -----------
  fixup! Fix PR comments

  Commit: 4fa8ad0188d261768ca00398eac9f6d7b1079fed
      https://github.com/llvm/llvm-project/commit/4fa8ad0188d261768ca00398eac9f6d7b1079fed
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    M clang/lib/Sema/SemaARM.cpp
    M clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target_lane.c
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
    M llvm/test/CodeGen/AArch64/sme2p3-intrinsics-luti6.ll
    M llvm/test/CodeGen/AArch64/sve2p3-intrinsics-luti6.ll
    R llvm/test/Verifier/AArch64/luti6-intrinsics.ll

  Log Message:
  -----------
  fixup! More small PR fixes

  Commit: 7ece3e1f33f78d993d714c518434c85349f31889
      https://github.com/llvm/llvm-project/commit/7ece3e1f33f78d993d714c518434c85349f31889
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sme.td
    M clang/include/clang/Basic/arm_sve.td
    M clang/test/CodeGen/AArch64/sme2p3-intrinsics/acle_sme2p3_luti6.c
    M llvm/include/llvm/IR/IntrinsicsAArch64.td

  Log Message:
  -----------
  fixup! Fix more PR comments

  Commit: cf6a48067284b81a0e70e4b5192cd8a4ee23b025
      https://github.com/llvm/llvm-project/commit/cf6a48067284b81a0e70e4b5192cd8a4ee23b025
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/include/clang/Basic/arm_sme.td
    M clang/include/clang/Basic/arm_sve.td
    M clang/test/CodeGen/AArch64/sme2p3-intrinsics/acle_sme2p3_luti6.c
    M clang/test/CodeGen/AArch64/sve2p3-intrinsics/acle_sve2p3_luti6.c
    A clang/test/CodeGen/AArch64/sve2p3-intrinsics/acle_sve2p3_luti6_lane_x2.c

  Log Message:
  -----------
  fixup! Adjust `def`s and split out tests

  Commit: d10c0e21599442652183ced4bf44ddbc68b5efff
      https://github.com/llvm/llvm-project/commit/d10c0e21599442652183ced4bf44ddbc68b5efff
  Author: Jonathan Thackray <jonathan.thackray at arm.com>
  Date:   2026-04-13 (Mon, 13 Apr 2026)

  Changed paths:
    M clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_imm.cpp
    M clang/test/Sema/aarch64-sve2p3-intrinsics/acle_sve2p3_target_lane.c
    M llvm/test/CodeGen/AArch64/sve2p3-intrinsics-luti6.ll

  Log Message:
  -----------
  fixup! Add some more _bf16 tests

Compare: https://github.com/llvm/llvm-project/compare/d61777e4f1ef...d10c0e215994

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