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Disable statistics on Release builds and move tests that depend on -stats.

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Summary:
Statistics are still available in Release+Asserts (any +Asserts builds),
and stats can also be turned on with LLVM_ENABLE_STATS.

Move some of the FastISel stats that were moved under DEBUG()
back out of DEBUG(), since stats are disabled across the board now.

Many tests depend on grepping "-stats" output.  Move those into
a orig_dir/Stats/. so that they can be marked as unsupported
when building without statistics.

Differential Revision: http://llvm-reviews.chandlerc.com/D486

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176733 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jan Wen Voung
2013-03-08 22:56:31 +00:00
parent d25c05efd5
commit fa785cb22d
91 changed files with 143 additions and 21 deletions
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8
lib/CodeGen/SelectionDAG/FastISel.cpp
View File

@@ -63,13 +63,11 @@
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
#ifndef NDEBUG
STATISTIC(NumFastIselSuccessIndependent, "Number of insts selected by "
"target-independent selector");
STATISTIC(NumFastIselSuccessTarget, "Number of insts selected by "
"target-specific selector");
STATISTIC(NumFastIselDead, "Number of dead insts removed on failure");
#endif // NDEBUG
/// startNewBlock - Set the current block to which generated machine
/// instructions will be appended, and clear the local CSE map.
@@ -334,7 +332,7 @@ void FastISel::removeDeadCode(MachineBasicBlock::iterator I,
MachineInstr *Dead = &*I;
++I;
Dead->eraseFromParent();
DEBUG(++NumFastIselDead);
++NumFastIselDead;
}
recomputeInsertPt();
}
@@ -830,7 +828,7 @@ FastISel::SelectInstruction(const Instruction *I) {
// First, try doing target-independent selection.
if (SelectOperator(I, I->getOpcode())) {
DEBUG(++NumFastIselSuccessIndependent);
++NumFastIselSuccessIndependent;
DL = DebugLoc();
return true;
}
@@ -845,7 +843,7 @@ FastISel::SelectInstruction(const Instruction *I) {
// Next, try calling the target to attempt to handle the instruction.
SavedInsertPt = FuncInfo.InsertPt;
if (TargetSelectInstruction(I)) {
DEBUG(++NumFastIselSuccessTarget);
++NumFastIselSuccessTarget;
DL = DebugLoc();
return true;
}

26
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@@ -58,14 +58,13 @@
#include <algorithm>
using namespace llvm;
STATISTIC(NumFastIselBlocks, "Number of blocks selected entirely by fast isel");
STATISTIC(NumDAGBlocks, "Number of blocks selected using DAG");
#ifndef NDEBUG
STATISTIC(NumDAGIselRetries,"Number of times dag isel has to try another path");
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");
#ifndef NDEBUG
static cl::opt<bool>
EnableFastISelVerbose2("fast-isel-verbose2", cl::Hidden,
cl::desc("Enable extra verbose messages in the \"fast\" "
@@ -1090,7 +1089,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
// Try to select the instruction with FastISel.
if (FastIS->SelectInstruction(Inst)) {
--NumFastIselRemaining;
DEBUG(++NumFastIselSuccess);
++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.
@@ -1106,7 +1105,7 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
// If we succeeded, don't re-select the load.
BI = llvm::next(BasicBlock::const_iterator(BeforeInst));
--NumFastIselRemaining;
DEBUG(++NumFastIselSuccess);
++NumFastIselSuccess;
}
continue;
}
@@ -1145,21 +1144,20 @@ void SelectionDAGISel::SelectAllBasicBlocks(const Function &Fn) {
// Recompute NumFastIselRemaining as Selection DAG instruction
// selection may have handled the call, input args, etc.
unsigned RemainingNow = std::distance(Begin, BI);
(void) RemainingNow;
DEBUG(NumFastIselFailures += NumFastIselRemaining - RemainingNow);
DEBUG(NumFastIselRemaining = RemainingNow);
NumFastIselFailures += NumFastIselRemaining - RemainingNow;
NumFastIselRemaining = RemainingNow;
continue;
}
if (isa<TerminatorInst>(Inst) && !isa<BranchInst>(Inst)) {
// Don't abort, and use a different message for terminator misses.
DEBUG(NumFastIselFailures += NumFastIselRemaining);
NumFastIselFailures += NumFastIselRemaining;
if (EnableFastISelVerbose || EnableFastISelAbort) {
dbgs() << "FastISel missed terminator: ";
Inst->dump();
}
} else {
DEBUG(NumFastIselFailures += NumFastIselRemaining);
NumFastIselFailures += NumFastIselRemaining;
if (EnableFastISelVerbose || EnableFastISelAbort) {
dbgs() << "FastISel miss: ";
Inst->dump();
@@ -2357,7 +2355,7 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable,
DEBUG(errs() << " Skipped scope entry (due to false predicate) at "
<< "index " << MatcherIndexOfPredicate
<< ", continuing at " << FailIndex << "\n");
DEBUG(++NumDAGIselRetries);
++NumDAGIselRetries;
// Otherwise, we know that this case of the Scope is guaranteed to fail,
// move to the next case.
@@ -2938,7 +2936,7 @@ 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");
DEBUG(++NumDAGIselRetries);
++NumDAGIselRetries;
while (1) {
if (MatchScopes.empty()) {
CannotYetSelect(NodeToMatch);