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Ok, I can't handle it. This is a temporary checkin of a ton of statistics that

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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
This commit is contained in:
Chris Lattner
2004-01-14 16:54:21 +00:00
parent c08912f917
commit d6942d7633
3 changed files with 100 additions and 9 deletions
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25
lib/Bytecode/Writer/ConstantWriter.cpp
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@@ -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 @@ void BytecodeWriter::outputType(const Type *T) {
<< " 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 @@ bool BytecodeWriter::outputConstant(const Constant *CPV) {
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 @@ bool BytecodeWriter::outputConstant(const Constant *CPV) {
int Slot = Table.getSlot(Vals[i]);
assert(Slot != -1 && "Constant used but not available!!");
output_vbr((unsigned)Slot, Out);
}
}
break;
}
@@ -199,5 +215,6 @@ bool BytecodeWriter::outputConstant(const Constant *CPV) {
<< " type '" << CPV->getType()->getName() << "'\n";
break;
}
ConstantBytes += Out.size();
return false;
}