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Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/ReleaseNotes.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst index 2fb71e40c3a..3341d4ba3fe 100644 --- a/llvm/docs/ReleaseNotes.rst +++ b/llvm/docs/ReleaseNotes.rst @@ -156,6 +156,12 @@ Changes to the C API interface was made a deprecated no-op in LLVM 5. Use ``LLVMAddSLPVectorizePass`` instead to get the supported SLP vectorizer. +Changes to the DAG infrastructure +--------------------------------- +* ADDC/ADDE/SUBC/SUBE are now deprecated and will default to expand. Backends + that wish to continue to use these opcodes should explicitely request so + using ``setOperationAction`` in their ``TargetLowering``. New backends + should use UADDO/ADDCARRY/USUBO/SUBCARRY instead of the deprecated opcodes. External Open Source Projects Using LLVM 7 ========================================== |
