diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 2169cee5a6..37fb129e57 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -61,6 +61,7 @@ using namespace llvm; STATISTIC(NumFastIselFailures, "Number of instructions fast isel failed on"); +STATISTIC(NumDAGIselRetries,"Number of times dag isel has to try another path"); static cl::opt<bool> EnableFastISelVerbose("fast-isel-verbose", cl::Hidden, @@ -2198,7 +2199,7 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable, DEBUG(errs() << " Skipped scope entry (due to false predicate) at " << "index " << MatcherIndexOfPredicate << ", continuing at " << FailIndex << "\n"); - + ++NumDAGIselRetries; // Otherwise, we know that this case of the Scope is guaranteed to fail, // move to the next case. @@ -2719,6 +2720,7 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable, // another child to try in the current 'Scope', otherwise pop it until we // find a case to check. DEBUG(errs() << " Match failed at index " << CurrentOpcodeIndex << "\n"); + ++NumDAGIselRetries; while (1) { if (MatchScopes.empty()) { CannotYetSelect(NodeToMatch); |