[llvm] [IR] Store fast-math flags in subclasses of Instruction (PR #191190)

[Alexis Engelke via llvm-commits]

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@@ -813,6 +814,7 @@ CallInst *CallInst::Create(CallInst *CI, ArrayRef<OperandBundleDef> OpB,
   NewCI->setTailCallKind(CI->getTailCallKind());
   NewCI->setCallingConv(CI->getCallingConv());
   NewCI->SubclassOptionalData = CI->SubclassOptionalData;
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aengelke wrote:

Now unused? (Also on other occasions.)

https://github.com/llvm/llvm-project/pull/191190