RKSimon added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1534
} else if (StoreInst *SI = dyn_cast(I)) {
-if (!ClInstrumentWrites || ignoreAccess(SI->getPointerOperand()))
+if (!ClInstrumentWrites || ignoreAccess(LI, SI->getPoi
kstoimenov updated this revision to Diff 384583.
kstoimenov added a comment.
After removing function pass.
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kstoimenov updated this revision to Diff 384587.
kstoimenov added a comment.
Restored StackSafetyAnalysis.h.
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vitalybuka accepted this revision.
vitalybuka added inline comments.
This revision is now accepted and ready to land.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1511
+ if (ClUseStackSafety && SSGI != nullptr && findAllocaForValue(Ptr) &&
+ SSGI->
kstoimenov updated this revision to Diff 384877.
kstoimenov marked 2 inline comments as done.
kstoimenov added a comment.
Fixed tests.
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vitalybuka accepted this revision.
vitalybuka added inline comments.
This revision is now accepted and ready to land.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1328
+ ClUseStackSafety ? &MAM.getResult(M) :
nullptr;
+ AddressSanitizer FunctionSani
kstoimenov updated this revision to Diff 384902.
kstoimenov added a comment.
Moved AddressSanitizer back to the loop.
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This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
kstoimenov marked an inline comment as done.
Closed by commit rG3f1aca58df8f: [ASan] Added stack safety support in address
sanitizer. (authored by kstoimenov).
Reposit
RKSimon added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1534
} else if (StoreInst *SI = dyn_cast(I)) {
-if (!ClInstrumentWrites || ignoreAccess(SI->getPointerOperand()))
+if (!ClInstrumentWrites || ignoreAccess(LI, SI->getPoi
kstoimenov created this revision.
Herald added subscribers: ormris, dexonsmith, dang, hiraditya.
kstoimenov requested review of this revision.
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Herald added subscribers: llvm-commits, cfe-commits, sstefan1.
Herald added projects: clang, LLVM.
Added and implemente
kstoimenov updated this revision to Diff 380829.
kstoimenov added a comment.
Fixed the test to pass.
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fmayer added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1499-1502
+ if (ClUseStackSafety && findAllocaForValue(Ptr)) {
+if (SSI && SSI->stackAccessIsSafe(*Inst)) {
+ return true;
+}
Doesn't need nested if.
vitalybuka added inline comments.
Comment at: clang/include/clang/Basic/CodeGenOptions.def:227
CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator
globals
+CODEGENOPT(SanitizeAddressUseStackSafety, 1, 0) ///< Use stack safety result.
CODEGENOPT(SanitizeM
fmayer added inline comments.
Comment at: clang/test/CodeGen/asan-stack-safety-analysis.c:1
+// REQUIRES: x86-registered-target
+
Should this file be in llvm/test/Instrumentation/ instead? Also consider
porting some of the tests from HWASan
(https://github.com/
fmayer added inline comments.
Comment at: clang/test/CodeGen/asan-stack-safety-analysis.c:1
+// REQUIRES: x86-registered-target
+
fmayer wrote:
> Should this file be in llvm/test/Instrumentation/ instead? Also consider
> porting some of the tests from HWASan
>
kstoimenov updated this revision to Diff 381365.
kstoimenov added a comment.
Removed the top level flag and addressed comments.
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fmayer added a comment.
I think you also want to use `SSI->isSafe(AllocaInst*)` in
`isInterestingAlloca` to prevent use-after-scope instrumentation if all
accesses are safe.
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kstoimenov marked 4 inline comments as done.
kstoimenov added inline comments.
Comment at: clang/test/CodeGen/asan-stack-safety-analysis.c:1
+// REQUIRES: x86-registered-target
+
fmayer wrote:
> fmayer wrote:
> > Should this file be in llvm/test/Instrumentation/
fmayer added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:812
bool runOnFunction(Function &F) override {
+if (ClUseStackSafety) {
+ report_fatal_error("Stack safety analysis is not supported "
kstoimenov wrote:
kstoimenov updated this revision to Diff 381391.
kstoimenov added a comment.
Added support for legacy pass manager and a test for it.
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kstoimenov added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:812
bool runOnFunction(Function &F) override {
+if (ClUseStackSafety) {
+ report_fatal_error("Stack safety analysis is not supported "
fmayer wrote:
kstoimenov added a comment.
This should be good for re-review now. PTAL.
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vitalybuka added inline comments.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:813
+const StackSafetyGlobalInfo *SSI = nullptr;
+if (ClUseStackSafety) {
+ SSI = &getAnalysis().getResult();
usually we don't use {} for one liner
kstoimenov updated this revision to Diff 382481.
kstoimenov marked 2 inline comments as done.
kstoimenov added a comment.
Fixed test.
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kstoimenov updated this revision to Diff 382482.
kstoimenov added a comment.
Added a comment.
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ll
kstoimenov updated this revision to Diff 382483.
kstoimenov added a comment.
Removed {} after if.
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vitalybuka accepted this revision.
vitalybuka added a comment.
This revision is now accepted and ready to land.
Can you please fix in a separate patch llvm::runPassPipeline: it runs
ModulePass after the function pass for -passes=asan-pipeline
Comment at: llvm/lib/Transforms/In
kstoimenov marked 2 inline comments as done.
kstoimenov added a comment.
PTAL.
Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1265
GlobalsMetadata ASanGlobalsMetadataAnalysis::run(Module &M,
ModuleAnalysis
vitalybuka requested changes to this revision.
vitalybuka added inline comments.
This revision now requires changes to proceed.
Comment at: llvm/include/llvm/Analysis/StackSafetyAnalysis.h:93
+ bool invalidate(Module &, const PreservedAnalyses &,
+ ModuleAnalysi
kstoimenov updated this revision to Diff 382486.
kstoimenov added a comment.
s/I/LI/.
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vitalybuka added subscribers: morehouse, pcc, eugenis.
vitalybuka added inline comments.
Comment at: llvm/include/llvm/Analysis/StackSafetyAnalysis.h:93
+ bool invalidate(Module &, const PreservedAnalyses &,
+ ModuleAnalysisManager::Invalidator &) {
+return
eugenis added inline comments.
Comment at: llvm/include/llvm/Analysis/StackSafetyAnalysis.h:93
+ bool invalidate(Module &, const PreservedAnalyses &,
+ ModuleAnalysisManager::Invalidator &) {
+return false;
vitalybuka wrote:
> vitalybuka wro
kstoimenov added inline comments.
Comment at: llvm/include/llvm/Analysis/StackSafetyAnalysis.h:93
+ bool invalidate(Module &, const PreservedAnalyses &,
+ ModuleAnalysisManager::Invalidator &) {
+return false;
eugenis wrote:
> vitalybuka wro
Sorry i just noticed this email. I will take a look next week.
On Sun, Jan 30, 2022, 2:50 AM Simon Pilgrim via Phabricator <
revi...@reviews.llvm.org> wrote:
> RKSimon added inline comments.
>
>
>
> Comment at: llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp:1534
>}
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