diff options
Diffstat (limited to 'include/llvm/Analysis/ScalarEvolutionExpander.h')
| -rw-r--r-- | include/llvm/Analysis/ScalarEvolutionExpander.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/llvm/Analysis/ScalarEvolutionExpander.h b/include/llvm/Analysis/ScalarEvolutionExpander.h index 7d16f34e54cb1..4578e0da8ab21 100644 --- a/include/llvm/Analysis/ScalarEvolutionExpander.h +++ b/include/llvm/Analysis/ScalarEvolutionExpander.h @@ -27,9 +27,16 @@ namespace llvm { class TargetTransformInfo; /// Return true if the given expression is safe to expand in the sense that - /// all materialized values are safe to speculate. + /// all materialized values are safe to speculate anywhere their operands are + /// defined. bool isSafeToExpand(const SCEV *S, ScalarEvolution &SE); + /// Return true if the given expression is safe to expand in the sense that + /// all materialized values are defined and safe to speculate at the specified + /// location and their operands are defined at this location. + bool isSafeToExpandAt(const SCEV *S, const Instruction *InsertionPoint, + ScalarEvolution &SE); + /// This class uses information about analyze scalars to rewrite expressions /// in canonical form. /// |