diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp | 1 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/CodeExtractor.cpp | 1 | ||||
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 7 |
3 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp index d10b4f4aaeb..f7cdd416fd8 100644 --- a/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp +++ b/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp @@ -45,6 +45,7 @@ static Attribute::AttrKind parseAttrKind(StringRef Kind) { .Case("nocf_check", Attribute::NoCfCheck) .Case("norecurse", Attribute::NoRecurse) .Case("nounwind", Attribute::NoUnwind) + .Case("optforfuzzing", Attribute::OptForFuzzing) .Case("optnone", Attribute::OptimizeNone) .Case("optsize", Attribute::OptimizeForSize) .Case("readnone", Attribute::ReadNone) diff --git a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp index ef39f21632c..d87eccf4c27 100644 --- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp +++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp @@ -684,6 +684,7 @@ Function *CodeExtractor::constructFunction(const ValueSet &inputs, case Attribute::NonLazyBind: case Attribute::NoRedZone: case Attribute::NoUnwind: + case Attribute::OptForFuzzing: case Attribute::OptimizeNone: case Attribute::OptimizeForSize: case Attribute::SafeStack: diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index 685fdb7ec63..5dc9d2c3b71 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -2273,6 +2273,10 @@ static bool FoldTwoEntryPHINode(PHINode *PN, const TargetTransformInfo &TTI, // dependence information for this check, but simplifycfg can't keep it up // to date, and this catches most of the cases we care about anyway. BasicBlock *BB = PN->getParent(); + const Function *Fn = BB->getParent(); + if (Fn && Fn->hasFnAttribute(Attribute::OptForFuzzing)) + return false; + BasicBlock *IfTrue, *IfFalse; Value *IfCond = GetIfCondition(BB, IfTrue, IfFalse); if (!IfCond || @@ -5799,6 +5803,9 @@ static BasicBlock *allPredecessorsComeFromSameSource(BasicBlock *BB) { bool SimplifyCFGOpt::SimplifyCondBranch(BranchInst *BI, IRBuilder<> &Builder) { BasicBlock *BB = BI->getParent(); + const Function *Fn = BB->getParent(); + if (Fn && Fn->hasFnAttribute(Attribute::OptForFuzzing)) + return false; // Conditional branch if (isValueEqualityComparison(BI)) { |
