Improve descriptions of combiner-alias-analysis and combiner-global-alias-analysis
llvm-svn: 200087
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 3fa2a32..72628ef 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -50,11 +50,11 @@
namespace {
static cl::opt<bool>
CombinerAA("combiner-alias-analysis", cl::Hidden,
- cl::desc("Turn on alias analysis during testing"));
+ cl::desc("Enable DAG combiner alias-analysis heuristics"));
static cl::opt<bool>
CombinerGlobalAA("combiner-global-alias-analysis", cl::Hidden,
- cl::desc("Include global information in alias analysis"));
+ cl::desc("Enable DAG combiner's use of IR alias analysis"));
/// Hidden option to stress test load slicing, i.e., when this option
/// is enabled, load slicing bypasses most of its profitability guards.