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Directly count the number of memory instructions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20766 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-22 03:55:10 +00:00
parent fed1b27d32
commit 6ae7e9837c
1 changed files with 9 additions and 4 deletions
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13
lib/Analysis/InstCount.cpp
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@ -15,13 +15,13 @@
#include "llvm/Function.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/ADT/Statistic.h"
namespace llvm {
using namespace llvm;
namespace {
Statistic<> TotalInsts ("instcount", "Number of instructions (of all types)");
Statistic<> TotalBlocks("instcount", "Number of basic blocks");
Statistic<> TotalFuncs ("instcount", "Number of non-external functions");
Statistic<> TotalMemInst("instcount", "Number of memory instructions");
#define HANDLE_INST(N, OPCODE, CLASS) \
Statistic<> Num##OPCODE##Inst("instcount", "Number of " #OPCODE " insts");
@ -61,8 +61,13 @@ namespace {
// function.
//
bool InstCount::runOnFunction(Function &F) {
unsigned StartMemInsts =
NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
visit(F);
unsigned EndMemInsts =
NumGetElementPtrInst + NumLoadInst + NumStoreInst + NumCallInst +
NumInvokeInst + NumAllocaInst + NumMallocInst + NumFreeInst;
TotalMemInst += EndMemInsts-StartMemInsts;
return false;
}
} // End llvm namespace