[clang] [llvm] [HLSL][DXIL] Implement `refract` intrinsic (PR #147342)

[Sarah Spall via llvm-commits]

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@@ -46,6 +46,59 @@ static bool CheckAllArgsHaveSameType(Sema *S, CallExpr *TheCall) {
   return false;
 }
 
+static bool CheckAllArgTypesAreCorrect(
+    Sema *S, CallExpr *TheCall,
+    llvm::ArrayRef<
+        llvm::function_ref<bool(Sema *, SourceLocation, int, QualType)>>
+        Checks) {
+  unsigned NumArgs = TheCall->getNumArgs();
+  assert(Checks.size() == NumArgs &&
+         "Wrong number of checks for Number of args.");
+  // Apply each check to the corresponding argument
+  for (unsigned I = 0; I < NumArgs; ++I) {
+    Expr *Arg = TheCall->getArg(I);
+    if (Checks[I](S, Arg->getBeginLoc(), I + 1, Arg->getType()))
+      return true;
+  }
+  return false;
+}
+
+static bool CheckAllArgTypesAreCorrect(
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spall wrote:

As we discussed offline, yes you should delete this function since it is unused.

https://github.com/llvm/llvm-project/pull/147342