Fix an inline asm pasto from 117667; was preventing

[oota-llvm.git] / lib / CodeGen / ProcessImplicitDefs.cpp

diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp
index 2e31908f9fe2fffcf5427b529e49975c412188f5..a8eb8a571030b0deda12d63fb7d0a1a1624daf53 100644 (file)
--- a/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -26,8 +26,11 @@
 using namespace llvm;
 
 char ProcessImplicitDefs::ID = 0;
-static RegisterPass<ProcessImplicitDefs> X("processimpdefs",
-                                           "Process Implicit Definitions.");
+INITIALIZE_PASS_BEGIN(ProcessImplicitDefs, "processimpdefs",
+                "Process Implicit Definitions.", false, false)
+INITIALIZE_PASS_DEPENDENCY(LiveVariables)
+INITIALIZE_PASS_END(ProcessImplicitDefs, "processimpdefs",
+                "Process Implicit Definitions.", false, false)
 
 void ProcessImplicitDefs::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesCFG();
@@ -46,12 +49,6 @@ ProcessImplicitDefs::CanTurnIntoImplicitDef(MachineInstr *MI,
                                             unsigned Reg, unsigned OpIdx,
                                             const TargetInstrInfo *tii_,
                                             SmallSet<unsigned, 8> &ImpDefRegs) {
-  unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
-  if (tii_->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
-      Reg == SrcReg &&
-      (DstSubReg == 0 || ImpDefRegs.count(DstReg)))
-    return true;
-
   switch(OpIdx) {
   case 1:
     return MI->isCopy() && (MI->getOperand(0).getSubReg() == 0 ||
@@ -75,14 +72,6 @@ static bool isUndefCopy(MachineInstr *MI, unsigned Reg,
       return true;
     return false;
   }
-
-  unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
-  if (tii_->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg)) {
-    if (Reg != SrcReg)
-      return false;
-    if (DstSubReg == 0 || ImpDefRegs.count(DstReg))
-      return true;
-  }
   return false;
 }