Prune some #includes

Add a statistic for # reloads

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10518 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 89c239678efcec35123737830e69f6b9dcee94ee..9deb3267b1799945fd3e26535e8e48cf01d99163 100644 (file)
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -22,18 +22,16 @@
 #include "llvm/Target/MRegisterInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetRegInfo.h"
 #include "llvm/Support/CFG.h"
 #include "Support/Debug.h"
 #include "Support/DepthFirstIterator.h"
 #include "Support/Statistic.h"
 #include "Support/STLExtras.h"
-#include <iostream>
-
 using namespace llvm;
 
 namespace {
     Statistic<> numSpilled ("ra-linearscan", "Number of registers spilled");
+    Statistic<> numReloaded("ra-linearscan", "Number of registers reloaded");
 
     class RA : public MachineFunctionPass {
     public:
@@ -762,6 +760,7 @@ void RA::loadVirt2PhysReg(unsigned virtReg, unsigned physReg)
     const TargetRegisterClass* rc = mf_->getSSARegMap()->getRegClass(virtReg);
     int frameIndex = getStackSlot(virtReg);
     DEBUG(std::cerr << " from stack slot #" << frameIndex << '\n');
+    ++numReloaded;
     instrAdded_ += mri_->loadRegFromStackSlot(*currentMbb_, currentInstr_,
                                               physReg, frameIndex, rc);
     assignVirt2PhysReg(virtReg, physReg);