diff options
| -rw-r--r-- | include/llvm/Analysis/ValueTracking.h | 2 | ||||
| -rw-r--r-- | lib/Analysis/ValueTracking.cpp | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/include/llvm/Analysis/ValueTracking.h b/include/llvm/Analysis/ValueTracking.h index 85c659c631..300f51df37 100644 --- a/include/llvm/Analysis/ValueTracking.h +++ b/include/llvm/Analysis/ValueTracking.h @@ -174,7 +174,7 @@ namespace llvm { /// the correct dominance relationships for the operands and users hold. /// However, this method can return true for instructions that read memory; /// for such instructions, moving them may change the resulting value. - bool isSafeToSpeculativelyExecute(const Instruction *Inst, + bool isSafeToSpeculativelyExecute(const Value *V, const TargetData *TD = 0); } // end namespace llvm diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index 6de4426ab8..6cef42df9a 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -1879,8 +1879,12 @@ bool llvm::onlyUsedByLifetimeMarkers(const Value *V) { return true; } -bool llvm::isSafeToSpeculativelyExecute(const Instruction *Inst, +bool llvm::isSafeToSpeculativelyExecute(const Value *V, const TargetData *TD) { + const Operator *Inst = dyn_cast<Operator>(V); + if (!Inst) + return false; + for (unsigned i = 0, e = Inst->getNumOperands(); i != e; ++i) if (Constant *C = dyn_cast<Constant>(Inst->getOperand(i))) if (C->canTrap()) |