[all-commits] [llvm/llvm-project] 6ce047: [SDISel] Teach the type legalizer about ADDRSPACEC...

[Quentin Colombet via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6ce04747cff524b4c5c8738e25144659a5cf6691
      https://github.com/llvm/llvm-project/commit/6ce04747cff524b4c5c8738e25144659a5cf6691
  Author: Quentin Colombet <quentin.colombet at gmail.com>
  Date:   2024-05-07 (Tue, 07 May 2024)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/test/CodeGen/NVPTX/addrspacecast.ll

  Log Message:
  -----------
  [SDISel] Teach the type legalizer about ADDRSPACECAST (#90969)

Vectorized ADDRSPACECASTs were not supported by the type legalizer.

This patch adds the support for:
- splitting the vector result: <2 x ptr> => 2 x <1 x ptr>
- scalarization: <1 x ptr> => ptr
- widening: <3 x ptr> => <4 x ptr>

This is all exercised by the added NVPTX tests.



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