[llvm-commits] [llvm] r131426 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Jim Grosbach]

Author: grosbach
Date: Mon May 16 16:51:07 2011
New Revision: 131426

URL: http://llvm.org/viewvc/llvm-project?rev=131426&view=rev
Log:
Track how many insns fast-isel successfully selects as well as how many it
misses.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp?rev=131426&r1=131425&r2=131426&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp Mon May 16 16:51:07 2011
@@ -55,6 +55,7 @@
 using namespace llvm;
 
 STATISTIC(NumFastIselFailures, "Number of instructions fast isel failed on");
+STATISTIC(NumFastIselSuccess, "Number of instructions fast isel selected");
 STATISTIC(NumFastIselBlocks, "Number of blocks selected entirely by fast isel");
 STATISTIC(NumDAGBlocks, "Number of blocks selected using DAG");
 STATISTIC(NumDAGIselRetries,"Number of times dag isel has to try another path");
@@ -927,6 +928,7 @@
 
         // Try to select the instruction with FastISel.
         if (FastIS->SelectInstruction(Inst)) {
+          ++NumFastIselSuccess;
           // If fast isel succeeded, skip over all the folded instructions, and
           // then see if there is a load right before the selected instructions.
           // Try to fold the load if so.