================
@@ -795,12 +795,29 @@ static void addSanitizers(const Triple &TargetTriple,
PB.registerOptimizerLastEPCallback(SanitizersCallback);
}
- if (LowerAllowCheckPass::IsRequested()) {
+ bool lowerAllowCheck = LowerAllowCheckPass::IsRequested();
----------------
thurstond wrote:
Even after removing the epsilon check, isn't it still more efficient to have
check if any of the cutoffs are non-zero?
If all the cutoffs are zero, CodeGen would not have inserted any
llvm.allow.ubsan.check, hence we don't need to call the lowering pass.
https://github.com/llvm/llvm-project/pull/124857
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