ArrayRef<Instruction *> IndirCalls);
bool InjectCoverage(Function &F, ArrayRef<BasicBlock *> AllBlocks,
ArrayRef<Instruction *> IndirCalls);
+ void SetNoSanitizeMetada(Instruction *I);
void InjectCoverageAtBlock(Function &F, BasicBlock &BB, bool UseCalls);
Function *SanCovFunction;
Function *SanCovWithCheckFunction;
}
}
+void SanitizerCoverageModule::SetNoSanitizeMetada(Instruction *I) {
+ I->setMetadata(
+ I->getParent()->getParent()->getParent()->getMDKindID("nosanitize"),
+ MDNode::get(*C, None));
+}
+
void SanitizerCoverageModule::InjectCoverageAtBlock(Function &F, BasicBlock &BB,
bool UseCalls) {
BasicBlock::iterator IP = BB.getFirstInsertionPt(), BE = BB.end();
LoadInst *Load = IRB.CreateLoad(GuardP);
Load->setAtomic(Monotonic);
Load->setAlignment(4);
- Load->setMetadata(F.getParent()->getMDKindID("nosanitize"),
- MDNode::get(*C, None));
+ SetNoSanitizeMetada(Load);
Value *Cmp = IRB.CreateICmpSGE(Constant::getNullValue(Load->getType()), Load);
Instruction *Ins = SplitBlockAndInsertIfThen(
Cmp, IP, false, MDBuilder(*C).createBranchWeights(1, 100000));
IRB.CreatePointerCast(EightBitCounterArray, IntptrTy),
ConstantInt::get(IntptrTy, SanCovFunction->getNumUses() - 1));
P = IRB.CreateIntToPtr(P, IRB.getInt8PtrTy());
- Value *LI = IRB.CreateLoad(P);
+ LoadInst *LI = IRB.CreateLoad(P);
Value *Inc = IRB.CreateAdd(LI, ConstantInt::get(IRB.getInt8Ty(), 1));
- IRB.CreateStore(Inc, P);
+ StoreInst *SI = IRB.CreateStore(Inc, P);
+ SetNoSanitizeMetada(LI);
+ SetNoSanitizeMetada(SI);
}
if (ClExperimentalTracing) {
; test -sanitizer-coverage-8bit-counters=1
; CHECK-8BIT-LABEL: define void @foo
-; CHECK-8BIT: [[V11:%[0-9]*]] = load i8
+; CHECK-8BIT: [[V11:%[0-9]*]] = load i8{{.*}}!nosanitize
; CHECK-8BIT: [[V12:%[0-9]*]] = add i8 [[V11]], 1
-; CHECK-8BIT: store i8 [[V12]]
-; CHECK-8BIT: [[V21:%[0-9]*]] = load i8
+; CHECK-8BIT: store i8 [[V12]]{{.*}}!nosanitize
+; CHECK-8BIT: [[V21:%[0-9]*]] = load i8{{.*}}!nosanitize
; CHECK-8BIT: [[V22:%[0-9]*]] = add i8 [[V21]], 1
-; CHECK-8BIT: store i8 [[V22]]
-; CHECK-8BIT: [[V31:%[0-9]*]] = load i8
+; CHECK-8BIT: store i8 [[V22]]{{.*}}!nosanitize
+; CHECK-8BIT: [[V31:%[0-9]*]] = load i8{{.*}}!nosanitize
; CHECK-8BIT: [[V32:%[0-9]*]] = add i8 [[V31]], 1
-; CHECK-8BIT: store i8 [[V32]]
-; CHECK-8BIT: [[V41:%[0-9]*]] = load i8
+; CHECK-8BIT: store i8 [[V32]]{{.*}}!nosanitize
+; CHECK-8BIT: [[V41:%[0-9]*]] = load i8{{.*}}!nosanitize
; CHECK-8BIT: [[V42:%[0-9]*]] = add i8 [[V41]], 1
-; CHECK-8BIT: store i8 [[V42]]
+; CHECK-8BIT: store i8 [[V42]]{{.*}}!nosanitize
; CHECK-8BIT: ret void