Use DenseSet rather than SmallPtrSet for the alive set. Using SmallPtrSet

with a huge "size" parameter is actually quite inefficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53034 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2008-07-02 17:32:04 +00:00
parent 93ee2fd7da
commit 2c04b0da2b

View File

@ -21,7 +21,7 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Support/InstIterator.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallVector.h"
using namespace llvm;
@ -33,7 +33,7 @@ namespace {
static char ID; // Pass identification, replacement for typeid
ADCE() : FunctionPass((intptr_t)&ID) {}
SmallPtrSet<Instruction*, 1024> alive;
DenseSet<Instruction*> alive;
SmallVector<Instruction*, 1024> worklist;
virtual bool runOnFunction(Function& F);