[all-commits] [llvm/llvm-project] 0821b7: [AMDGPU] Copy Defs and Uses from Pseudo to Real In...

[Fabian Ritter via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0821b7937c2b7528b1d3a0fa06eb241ae9ce4074
      https://github.com/llvm/llvm-project/commit/0821b7937c2b7528b1d3a0fa06eb241ae9ce4074
  Author: Fabian Ritter <fabian.ritter at amd.com>
  Date:   2024-05-31 (Fri, 31 May 2024)

  Changed paths:
    M llvm/lib/Target/AMDGPU/BUFInstructions.td
    M llvm/lib/Target/AMDGPU/DSInstructions.td
    M llvm/lib/Target/AMDGPU/FLATInstructions.td
    M llvm/lib/Target/AMDGPU/SMInstructions.td
    M llvm/lib/Target/AMDGPU/SOPInstructions.td
    M llvm/lib/Target/AMDGPU/VOPInstructions.td

  Log Message:
  -----------
  [AMDGPU] Copy Defs and Uses from Pseudo to Real Instructions (#93004)

Currently, the tablegen files that generate the instruction definitions
in lib/Target/AMDGPU/AMDGPUGenInstrInfo.inc often only include implicit
operands for the architecture-independent pseudo instructions, but not
for the corresponding real instructions. The missing implicit operands
(most prominently: the EXEC mask) do not affect code generation, since
that operates on pseudo instructions, but they are problematic when
working with real instructions, e.g., as a decoding result from the MC
layer.

This patch copies the implicit Defs and Uses from pseudo instructions to
the corresponding real instructions, so that implicit operands are also
defined for real instructions.

Addresses issue #89830.



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