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");
+STATISTIC(NumEntryBlocks, "Number of entry blocks encountered");
+STATISTIC(NumFastIselFailLowerArguments,
+ "Number of entry blocks where fast isel failed to lower arguments");
#ifndef NDEBUG
static cl::opt<bool>
EnableFastISelVerbose2("fast-isel-verbose2", cl::Hidden,
cl::desc("Enable extra verbose messages in the \"fast\" "
"instruction selector"));
+
// Terminators
STATISTIC(NumFastIselFailRet,"Fast isel fails on Ret");
STATISTIC(NumFastIselFailBr,"Fast isel fails on Br");
// Emit code for any incoming arguments. This must happen before
// beginning FastISel on the entry block.
if (LLVMBB == &Fn.getEntryBlock()) {
+ ++NumEntryBlocks;
+
// Lower any arguments needed in this block if this is the entry block.
if (!FastIS->LowerArguments()) {
// Fast isel failed to lower these arguments
+ ++NumFastIselFailLowerArguments;
if (EnableFastISelAbortArgs)
llvm_unreachable("FastISel didn't lower all arguments");
FastIS->recomputeInsertPt();
} else {
// Lower any arguments needed in this block if this is the entry block.
- if (LLVMBB == &Fn.getEntryBlock())
+ if (LLVMBB == &Fn.getEntryBlock()) {
+ ++NumEntryBlocks;
LowerArguments(Fn);
+ }
}
if (Begin != BI)