Revert r85346 change to control tail merging by CodeGenOpt::Level.
I'm going to redo this using the OptimizeForSize function attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85426 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BranchFolding.h b/lib/CodeGen/BranchFolding.h
index 5d35525..9763e33 100644
--- a/lib/CodeGen/BranchFolding.h
+++ b/lib/CodeGen/BranchFolding.h
@@ -12,7 +12,6 @@
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/Target/TargetMachine.h"
#include <vector>
namespace llvm {
@@ -24,7 +23,7 @@
class BranchFolder {
public:
- explicit BranchFolder(bool defaultEnableTailMerge, CodeGenOpt::Level OL);
+ explicit BranchFolder(bool defaultEnableTailMerge);
bool OptimizeFunction(MachineFunction &MF,
const TargetInstrInfo *tii,
@@ -38,7 +37,6 @@
typedef std::pair<MPIterator, MachineBasicBlock::iterator> SameTailElt;
std::vector<SameTailElt> SameTails;
- CodeGenOpt::Level OptLevel;
bool EnableTailMerge;
const TargetInstrInfo *TII;
const TargetRegisterInfo *TRI;
@@ -75,10 +73,8 @@
public BranchFolder {
public:
static char ID;
- explicit BranchFolderPass(bool defaultEnableTailMerge,
- CodeGenOpt::Level OptLevel)
- : MachineFunctionPass(&ID),
- BranchFolder(defaultEnableTailMerge, OptLevel) {}
+ explicit BranchFolderPass(bool defaultEnableTailMerge)
+ : MachineFunctionPass(&ID), BranchFolder(defaultEnableTailMerge) {}
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual const char *getPassName() const { return "Control Flow Optimizer"; }