diff options
Diffstat (limited to 'include/llvm/Analysis/CaptureTracking.h')
-rw-r--r-- | include/llvm/Analysis/CaptureTracking.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/llvm/Analysis/CaptureTracking.h b/include/llvm/Analysis/CaptureTracking.h index eccf1f8..8b7c7a9 100644 --- a/include/llvm/Analysis/CaptureTracking.h +++ b/include/llvm/Analysis/CaptureTracking.h @@ -18,6 +18,8 @@ namespace llvm { class Value; class Use; + class Instruction; + class DominatorTree; /// PointerMayBeCaptured - Return true if this pointer value may be captured /// by the enclosing function (which is required to exist). This routine can @@ -30,6 +32,20 @@ namespace llvm { bool ReturnCaptures, bool StoreCaptures); + /// PointerMayBeCapturedBefore - Return true if this pointer value may be + /// captured by the enclosing function (which is required to exist). If a + /// DominatorTree is provided, only captures which happen before the given + /// instruction are considered. This routine can be expensive, so consider + /// caching the results. The boolean ReturnCaptures specifies whether + /// returning the value (or part of it) from the function counts as capturing + /// it or not. The boolean StoreCaptures specified whether storing the value + /// (or part of it) into memory anywhere automatically counts as capturing it + /// or not. Captures by the provided instruction are considered if the + /// final parameter is true. + bool PointerMayBeCapturedBefore(const Value *V, bool ReturnCaptures, + bool StoreCaptures, const Instruction *I, + DominatorTree *DT, bool IncludeI = false); + /// This callback is used in conjunction with PointerMayBeCaptured. In /// addition to the interface here, you'll need to provide your own getters /// to see whether anything was captured. |