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

1 files changed, 6 insertions, 7 deletions

diff --git a/lib/CodeGen/IfConversion.cpp b/lib/CodeGen/IfConversion.cpp
index be9e1f113b..45f08b168a 100644
--- a/lib/CodeGen/IfConversion.cpp
+++ b/lib/CodeGen/IfConversion.cpp
@@ -148,11 +148,9 @@ namespace {
     const TargetInstrInfo *TII;
     bool MadeChange;
     int FnNum;
-    CodeGenOpt::Level OptLevel;
   public:
     static char ID;
-    IfConverter(CodeGenOpt::Level OL) :
-      MachineFunctionPass(&ID), FnNum(-1), OptLevel(OL) {}
+    IfConverter() : MachineFunctionPass(&ID), FnNum(-1) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     virtual const char *getPassName() const { return "If Converter"; }
@@ -221,9 +219,10 @@ namespace {
   char IfConverter::ID = 0;
 }
 
-FunctionPass *llvm::createIfConverterPass(CodeGenOpt::Level OptLevel) {
-  return new IfConverter(OptLevel);
-}
+static RegisterPass<IfConverter>
+X("if-converter", "If Converter");
+
+FunctionPass *llvm::createIfConverterPass() { return new IfConverter(); }
 
 bool IfConverter::runOnMachineFunction(MachineFunction &MF) {
   TLI = MF.getTarget().getTargetLowering();
@@ -363,7 +362,7 @@ bool IfConverter::runOnMachineFunction(MachineFunction &MF) {
   BBAnalysis.clear();
 
   if (MadeChange) {
-    BranchFolder BF(false, OptLevel);
+    BranchFolder BF(false);
     BF.OptimizeFunction(MF, TII,
                         MF.getTarget().getRegisterInfo(),
                         getAnalysisIfAvailable<MachineModuleInfo>());