Ok, I can't handle it. This is a temporary checkin of a ton of statistics that
i'm using in my work to reduce the bytecode file sizes. These will eventually
be removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Writer/ConstantWriter.cpp b/lib/Bytecode/Writer/ConstantWriter.cpp
index 30d93c9..12043b0 100644
--- a/lib/Bytecode/Writer/ConstantWriter.cpp
+++ b/lib/Bytecode/Writer/ConstantWriter.cpp
@@ -16,15 +16,26 @@
#include "llvm/Constants.h"
#include "llvm/SymbolTable.h"
#include "llvm/DerivedTypes.h"
+#include "Support/Statistic.h"
using namespace llvm;
+static Statistic<>
+TypeBytes("bytecodewriter", "Bytes of types");
+static Statistic<>
+ConstantBytes("bytecodewriter", "Bytes of constants");
+static Statistic<>
+NumConstants("bytecodewriter", "Number of constants");
+
void BytecodeWriter::outputType(const Type *T) {
+ TypeBytes -= Out.size();
output_vbr((unsigned)T->getPrimitiveID(), Out);
// That's all there is to handling primitive types...
- if (T->isPrimitiveType())
+ if (T->isPrimitiveType()) {
+ TypeBytes += Out.size();
return; // We might do this if we alias a prim type: %x = type int
-
+ }
+
switch (T->getPrimitiveID()) { // Handle derived types now.
case Type::FunctionTyID: {
const FunctionType *MT = cast<FunctionType>(T);
@@ -95,12 +106,16 @@
<< " Type '" << T->getDescription() << "'\n";
break;
}
+ TypeBytes += Out.size();
}
bool BytecodeWriter::outputConstant(const Constant *CPV) {
+ ConstantBytes -= Out.size();
assert((CPV->getType()->isPrimitiveType() || !CPV->isNullValue()) &&
"Shouldn't output null constants!");
+ ++NumConstants;
+
// We must check for a ConstantExpr before switching by type because
// a ConstantExpr can be of any type, and has no explicit value.
//
@@ -117,9 +132,10 @@
Slot = Table.getSlot((*OI)->getType());
output_vbr((unsigned)Slot, Out);
}
+ ConstantBytes += Out.size();
return false;
} else {
- output_vbr((unsigned)0, Out); // flag as not a ConstantExpr
+ output_vbr(0U, Out); // flag as not a ConstantExpr
}
switch (CPV->getType()->getPrimitiveID()) {
@@ -169,7 +185,7 @@
int Slot = Table.getSlot(Vals[i]);
assert(Slot != -1 && "Constant used but not available!!");
output_vbr((unsigned)Slot, Out);
- }
+ }
break;
}
@@ -199,5 +215,6 @@
<< " type '" << CPV->getType()->getName() << "'\n";
break;
}
+ ConstantBytes += Out.size();
return false;
}