[clang] [llvm] [AMDGPU][clang][CodeGen][opt] Add late-resolved feature identifying predicates (PR #134016)

[Erich Keane via llvm-commits]

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@@ -13329,6 +13359,9 @@ inline QualType Sema::CheckLogicalOperands(ExprResult &LHS, ExprResult &RHS,
   // The following is safe because we only use this method for
   // non-overloadable operands.
 
+  if (IsAMDGPUPredicateBI(LHS.get()) && IsAMDGPUPredicateBI(RHS.get()))
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erichkeane wrote:

If we want to diagnose this not in the 'right' place we should, though that is going ot be absolutely fraught with problems.  But making it return `void` is not the way to do this.

https://github.com/llvm/llvm-project/pull/134016