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Track how many insns fast-isel successfully selects as well as how many it 

misses.

llvm-svn: 131426
This commit is contained in:
Jim Grosbach 2011-05-16 21:51:07 +00:00
parent c9675152b3
commit e85c0dde7a
1 changed files with 2 additions and 0 deletions
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2
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -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 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
// 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.