[all-commits] [llvm/llvm-project] 6f37d4: [AArch64][GlobalISel] Reland Make G_DUP immediate ...

[chuongg3 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6f37d42a33ba09add14a9a1f422cb489ba02336e
      https://github.com/llvm/llvm-project/commit/6f37d42a33ba09add14a9a1f422cb489ba02336e
  Author: chuongg3 <chuong.goh at arm.com>
  Date:   2024-07-25 (Thu, 25 Jul 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64InstructionSelector.cpp
    M llvm/lib/Target/AArch64/GISel/AArch64RegisterBankInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/regbank-dup.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-dup.mir
    M llvm/test/CodeGen/AArch64/arm64-dup.ll
    M llvm/test/CodeGen/AArch64/neon-mov.ll

  Log Message:
  -----------
  [AArch64][GlobalISel] Reland Make G_DUP immediate 32-bits or larger (#96780) (#99014)

Immediate operand gets extended in RegBankSelect to at least 32 bits to
allow for better pattern matching in TableGen

The previous patch was erasing a constant without checking if it has
more than one use

Changes:
 - Does not erase the constant
 - Added @v_dup16_const test



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