[all-commits] [llvm/llvm-project] 87cdc8: [LLVM][ConstFolds] Verify a scalar src before atte...

[Paul Walker via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 87cdc8328d6c79da6dcce85eb318296bc5b42e82
      https://github.com/llvm/llvm-project/commit/87cdc8328d6c79da6dcce85eb318296bc5b42e82
  Author: Paul Walker <paul.walker at arm.com>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/lib/IR/ConstantFold.cpp
    M llvm/test/Transforms/InstSimplify/bitcast-vector-fold.ll

  Log Message:
  -----------
  [LLVM][ConstFolds] Verify a scalar src before attempting scalar->vector bitcast transformation. (#111149)

It was previously safe to assume isa<Constant{Int,FP}> meant a scalar
value. This is not true when use-constant-##-for-###-splat are enabled.



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