diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
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)) { |
