[PATCH] D105703: [hwasan] Use stack safety analysis.

[Evgenii Stepanov via Phabricator via cfe-commits]

eugenis accepted this revision.
eugenis added a comment.
This revision is now accepted and ready to land.

LGTM



================
Comment at: clang/lib/CodeGen/BackendUtil.cpp:1174
+            CompileKernel, Recover,
+            /*IsOptNull=*/CodeGenOpts.OptimizationLevel == 0));
       }
----------------
DisableOptimization=


================
Comment at: llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp:407
   bool Recover;
+  bool DisableOptimization;
 };
----------------
fmayer wrote:
> fmayer wrote:
> > eugenis wrote:
> > > No need to pass this down, just look at OptimizeNone function attribute.
> > Interesting, the Aarch64StackTagging code does pass this down, do you know why?
> Also we really should be using this at least in the getAnalysisUsage, which Vitaly's change made unconditional. Correct?
Ah right. Legacy pass needs to declare its analysis dependencies in advance.


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https://reviews.llvm.org/D105703