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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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34
lib/Bytecode/Writer/InstructionWriter.cpp
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@@ -22,6 +22,23 @@ using namespace llvm;
static Statistic<>
NumInstrs("bytecodewriter", "Number of instructions");
static Statistic<>
NumOversizedInstrs("bytecodewriter", "Number of oversized instructions");
static Statistic<>
BytesOversizedInstrs("bytecodewriter", "Bytes of oversized instructions");
static Statistic<>
NumHugeOperandInstrs("bytecodewriter", "Number of instructions with > 3 operands");
static Statistic<>
NumOversized1OpInstrs("bytecodewriter", "Number of oversized 1 operand instrs");
static Statistic<>
NumOversized2OpInstrs("bytecodewriter", "Number of oversized 2 operand instrs");
static Statistic<>
NumOversized3OpInstrs("bytecodewriter", "Number of oversized 3 operand instrs");
static Statistic<>
NumOversidedBecauseOfTypes("bytecodewriter", "Number of oversized instructions because of their type");
typedef unsigned char uchar;
@@ -33,6 +50,9 @@ typedef unsigned char uchar;
static void outputInstructionFormat0(const Instruction *I, unsigned Opcode,
const SlotCalculator &Table,
unsigned Type, std::deque<uchar> &Out) {
NumOversizedInstrs++;
BytesOversizedInstrs -= Out.size();
// Opcode must have top two bits clear...
output_vbr(Opcode << 2, Out); // Instruction Opcode ID
output_vbr(Type, Out); // Result type
@@ -58,6 +78,7 @@ static void outputInstructionFormat0(const Instruction *I, unsigned Opcode,
}
align32(Out); // We must maintain correct alignment!
BytesOversizedInstrs += Out.size();
}
@@ -275,6 +296,10 @@ void BytecodeWriter::processInstruction(const Instruction &I) {
outputInstructionFormat1(&I, Opcode, Table, Slots, Type, Out);
return;
}
if (Type >= (1 << 12)-1)
NumOversidedBecauseOfTypes++;
NumOversized1OpInstrs++;
break;
case 2:
@@ -282,6 +307,9 @@ void BytecodeWriter::processInstruction(const Instruction &I) {
outputInstructionFormat2(&I, Opcode, Table, Slots, Type, Out);
return;
}
if (Type >= (1 << 8))
NumOversidedBecauseOfTypes++;
NumOversized2OpInstrs++;
break;
case 3:
@@ -289,6 +317,12 @@ void BytecodeWriter::processInstruction(const Instruction &I) {
outputInstructionFormat3(&I, Opcode, Table, Slots, Type, Out);
return;
}
if (Type >= (1 << 6))
NumOversidedBecauseOfTypes++;
NumOversized3OpInstrs++;
break;
default:
++NumHugeOperandInstrs;
break;
}