#include "llvm/IntrinsicInst.h"
#include "llvm/Pass.h"
#include "llvm/Type.h"
+#include "llvm/ADT/Statistic.h"
+#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Support/CFG.h"
-#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/Transforms/Utils/Local.h"
#include <map>
using namespace llvm;
Instruction *Inst = BI++;
if (isInstructionTriviallyDead(Inst))
Inst->eraseFromParent();
- else if (Constant *C = ConstantFoldInstruction(Inst)) {
- Inst->replaceAllUsesWith(C);
+ else if (Value *V = SimplifyInstruction(Inst)) {
+ Inst->replaceAllUsesWith(V);
Inst->eraseFromParent();
}
}
#include "llvm/Transforms/Utils/UnrollLoop.h"
#include "llvm/BasicBlock.h"
#include "llvm/ADT/Statistic.h"
-#include "llvm/Analysis/ConstantFolding.h"
+#include "llvm/Analysis/InstructionSimplify.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Support/Debug.h"
if (isInstructionTriviallyDead(Inst))
(*BB)->getInstList().erase(Inst);
- else if (Constant *C = ConstantFoldInstruction(Inst)) {
- Inst->replaceAllUsesWith(C);
- (*BB)->getInstList().erase(Inst);
- }
+ else if (Value *V = SimplifyInstruction(Inst))
+ if (LI->replacementPreservesLCSSAForm(Inst, V)) {
+ Inst->replaceAllUsesWith(V);
+ (*BB)->getInstList().erase(Inst);
+ }
}
NumCompletelyUnrolled += CompletelyUnroll;