STATISTIC(PostIndexedNodes, "Number of post-indexed nodes created");
namespace {
-#ifndef NDEBUG
- static cl::opt<bool>
- ViewDAGCombine1("view-dag-combine1-dags", cl::Hidden,
- cl::desc("Pop up a window to show dags before the first "
- "dag combine pass"));
- static cl::opt<bool>
- ViewDAGCombine2("view-dag-combine2-dags", cl::Hidden,
- cl::desc("Pop up a window to show dags before the second "
- "dag combine pass"));
-#else
- static const bool ViewDAGCombine1 = false;
- static const bool ViewDAGCombine2 = false;
-#endif
-
static cl::opt<bool>
CombinerAA("combiner-alias-analysis", cl::Hidden,
cl::desc("Turn on alias analysis during testing"));
// SelectionDAG::Combine - This is the entry point for the file.
//
void SelectionDAG::Combine(bool RunningAfterLegalize, AliasAnalysis &AA) {
- if (!RunningAfterLegalize && ViewDAGCombine1)
- viewGraph();
- if (RunningAfterLegalize && ViewDAGCombine2)
- viewGraph();
/// run - This is the main entry point to this class.
///
DAGCombiner(*this, AA).Run(RunningAfterLegalize);