diff options
Diffstat (limited to 'lib/Transforms/ObjCARC/ObjCARCOpts.cpp')
| -rw-r--r-- | lib/Transforms/ObjCARC/ObjCARCOpts.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp index 9c14949877..0410b3bb79 100644 --- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp +++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp @@ -211,6 +211,9 @@ static bool DoesRetainableObjPtrEscape(const User *Ptr) { // These special functions make copies of their pointer arguments. return true; } + case IC_IntrinsicUser: + // Use by the use intrinsic is not an escape. + continue; case IC_User: case IC_None: // Use by an instruction which copies the value is an escape if the @@ -1601,8 +1604,7 @@ ObjCARCOpt::VisitInstructionBottomUp(Instruction *Inst, else S.RRI.ReverseInsertPts.insert(llvm::next(BasicBlock::iterator(Inst))); S.SetSeq(S_Use); - } else if (Seq == S_Release && - (Class == IC_User || Class == IC_CallOrUser)) { + } else if (Seq == S_Release && IsUser(Class)) { // Non-movable releases depend on any possible objc pointer use. S.SetSeq(S_Stop); assert(S.RRI.ReverseInsertPts.empty()); @@ -2392,6 +2394,7 @@ void ObjCARCOpt::OptimizeWeakCalls(Function &F) { goto clobbered; case IC_AutoreleasepoolPush: case IC_None: + case IC_IntrinsicUser: case IC_User: // Weak pointers are only modified through the weak entry points // (and arbitrary calls, which could call the weak entry points). |