[all-commits] [llvm/llvm-project] 06361f: [CIR] Implement most of 'musttail' statement attr ...

[Erich Keane via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 06361fb2efd0a6818800891d9e410615483fce6c
      https://github.com/llvm/llvm-project/commit/06361fb2efd0a6818800891d9e410615483fce6c
  Author: Erich Keane <ekeane at nvidia.com>
  Date:   2026-07-30 (Thu, 30 Jul 2026)

  Changed paths:
    M clang/include/clang/CIR/MissingFeatures.h
    M clang/lib/CIR/CodeGen/CIRGenAtomic.cpp
    M clang/lib/CIR/CodeGen/CIRGenCUDANV.cpp
    M clang/lib/CIR/CodeGen/CIRGenCall.cpp
    M clang/lib/CIR/CodeGen/CIRGenClass.cpp
    M clang/lib/CIR/CodeGen/CIRGenExpr.cpp
    M clang/lib/CIR/CodeGen/CIRGenExprCXX.cpp
    M clang/lib/CIR/CodeGen/CIRGenFunction.h
    M clang/lib/CIR/CodeGen/CIRGenStmt.cpp
    M clang/lib/CIR/CodeGen/CIRGenVTables.cpp
    A clang/test/CIR/CodeGen/attr-musttail.cpp

  Log Message:
  -----------
  [CIR] Implement most of 'musttail' statement attr (#213154)

This implements the basics, and leaves NYI in a few places (particularly
those that require cleanup calculations). There IS some additional work
that needs to be done when the ABI work is put in place as well, and the
thunk 'tail' hint isn't implemented either, and is left as a
missing-feature.

This is necessary for compiling the bytecode interpreter in Clang in a
few places during self-build.



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