//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "Alpha.h"
#include "AlphaInstrInfo.h"
#include "AlphaGenInstrInfo.inc"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
using namespace llvm;
AlphaInstrInfo::AlphaInstrInfo()
- : TargetInstrInfo(AlphaInsts, sizeof(AlphaInsts)/sizeof(AlphaInsts[0])),
+ : TargetInstrInfo(AlphaInsts, array_lengthof(AlphaInsts)),
RI(*this) { }
return false;
}
+ // If the block ends with two Alpha::BRs, handle it. The second one is not
+ // executed, so remove it.
+ if (SecondLastInst->getOpcode() == Alpha::BR &&
+ LastInst->getOpcode() == Alpha::BR) {
+ TBB = SecondLastInst->getOperand(0).getMachineBasicBlock();
+ I = LastInst;
+ I->eraseFromParent();
+ return false;
+ }
+
// Otherwise, can't handle this.
return true;
}