Remove ProcessImplicitDefs.h which was unused.
The ProcessImplicitDefs class can be local to its implementation file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159041 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp
index 7735fa2..74b0f59 100644
--- a/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -9,12 +9,11 @@
#define DEBUG_TYPE "processimplicitdefs"
-#include "llvm/CodeGen/ProcessImplicitDefs.h"
-
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/LiveVariables.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
@@ -25,6 +24,32 @@
using namespace llvm;
+namespace {
+/// Process IMPLICIT_DEF instructions and make sure there is one implicit_def
+/// for each use. Add isUndef marker to implicit_def defs and their uses.
+class ProcessImplicitDefs : public MachineFunctionPass {
+ const TargetInstrInfo *TII;
+ const TargetRegisterInfo *TRI;
+ MachineRegisterInfo *MRI;
+ LiveVariables *LV;
+
+ bool CanTurnIntoImplicitDef(MachineInstr *MI, unsigned Reg,
+ unsigned OpIdx,
+ SmallSet<unsigned, 8> &ImpDefRegs);
+
+public:
+ static char ID;
+
+ ProcessImplicitDefs() : MachineFunctionPass(ID) {
+ initializeProcessImplicitDefsPass(*PassRegistry::getPassRegistry());
+ }
+
+ virtual void getAnalysisUsage(AnalysisUsage &au) const;
+
+ virtual bool runOnMachineFunction(MachineFunction &fn);
+};
+} // end anonymous namespace
+
char ProcessImplicitDefs::ID = 0;
char &llvm::ProcessImplicitDefsID = ProcessImplicitDefs::ID;