================
@@ -3805,6 +3812,12 @@ void CodeGenFunction::EmitTrapCheck(llvm::Value *Checked,
SanitizerHandler CheckHandlerID) {
llvm::BasicBlock *Cont = createBasicBlock("cont");
+ if (ClSanitizeExpHot) {
+ Checked =
+ Builder.CreateOr(Checked, Builder.CreateCall(CGM.getIntrinsic(
+ llvm::Intrinsic::experimental_hot)));
----------------
jroelofs wrote:
It might be helpful if there were a remark that fired when one of these were
optimized out.
Maybe we could get that with another intrinsic whose semantics are "print the
message in a remark if this gets optimized out", and then stick one of those on
the appropriate side of the condition, with an explanation on where it came
from, and what the threshold was.
https://github.com/llvm/llvm-project/pull/84858
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