erichkeane requested changes to this revision.
erichkeane added a comment.
This revision now requires changes to proceed.

The SA tool is incorrect here.



================
Comment at: clang/lib/Sema/SemaExpr.cpp:11119
   if ((OperationKind == ACK_Arithmetic) &&
       ((LHSBuiltinTy && LHSBuiltinTy->isSVEBool()) ||
        (RHSBuiltinTy && RHSBuiltinTy->isSVEBool()))) {
----------------
sdesmalen wrote:
> This doesn't seem like a non-functional change. Here it checks that 
> LHSBuiltinTy is not nullptr before using it, which suggests that it is valid 
> for LHSType/RHSType not to be a builtin type. There is also nothing else 
> guarding that the types are all VLSTBuiltinTypes. Do none of the tests fail?
In fact they DO!  Pre-commit CI found them.  


================
Comment at: clang/lib/Sema/SemaExpr.cpp:11148
   if (LHSType->isVLSTBuiltinType() && RHSType->isVLSTBuiltinType() &&
       Context.getBuiltinVectorTypeInfo(LHSBuiltinTy).EC !=
           Context.getBuiltinVectorTypeInfo(RHSBuiltinTy).EC) {
----------------
This is the only other use of htem, but the 1st part of the 'if' checks if 
these are builtin types.  


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D152197/new/

https://reviews.llvm.org/D152197

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