[llvm] [AArch64] Convert concat(uhadd(a,b), uhadd(c,d)) to uhadd(concat(a,c), concat(b,d)) (PR #79464)

[antoine moynault via llvm-commits]

antmox wrote:

Hi @Rin18,

Looks like this commit broke some bots:
- clang-aarch64-global-isel https://lab.llvm.org/buildbot/#/builders/183/builds/19086
- clang-aarch64-sve-vla https://lab.llvm.org/buildbot/#/builders/197/builds/12467
- clang-aarch64-sve-vls https://lab.llvm.org/buildbot/#/builders/184/builds/10020

The compilation of the following tests seems to be stuck (1200s without output):
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_shadd_753.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_shadd_755.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_shadd_757.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_shadd_759.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_srhadd_914.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_srhadd_916.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_srhadd_918.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_uhadd_754.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_uhadd_756.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_uhadd_758.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_umull_867.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_urhadd_915.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_urhadd_917.bc
- test-suite/Bitcode/simd_ops/AArch64_tests/test_op_urhadd_919.bc

Could you please look at this ?


https://github.com/llvm/llvm-project/pull/79464