Revert "[ubsan] Connect -fsanitize-skip-hot-cutoff to LowerAllowCheckPass<cutoffs>" (#125032)

Reverts llvm/llvm-project#124857 due to buildbot breakage
(https://lab.llvm.org/buildbot/#/builders/46/builds/11310)

1 files changed, 1 insertions, 9 deletions

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index bc32878..3e65eeb 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -795,20 +795,12 @@ static void addSanitizers(const Triple &TargetTriple,
     PB.registerOptimizerLastEPCallback(SanitizersCallback);
   }
 
-  // SanitizeSkipHotCutoffs: doubles with range [0, 1]
-  // Opts.cutoffs: unsigned ints with range [0, 1000000]
-  auto ScaledCutoffs = CodeGenOpts.SanitizeSkipHotCutoffs.getAllScaled(1000000);
-
-  // TODO: remove IsRequested()
-  if (LowerAllowCheckPass::IsRequested() || ScaledCutoffs.has_value()) {
+  if (LowerAllowCheckPass::IsRequested()) {
     // We want to call it after inline, which is about OptimizerEarlyEPCallback.
     PB.registerOptimizerEarlyEPCallback([&](ModulePassManager &MPM,
                                             OptimizationLevel Level,
                                             ThinOrFullLTOPhase Phase) {
       LowerAllowCheckPass::Options Opts;
-      // TODO: after removing IsRequested(), make this unconditional
-      if (ScaledCutoffs.has_value())
-        Opts.cutoffs = ScaledCutoffs.value();
       MPM.addPass(createModuleToFunctionPassAdaptor(LowerAllowCheckPass(Opts)));
     });
   }