[PATCH] Remove unused SCEV functions

[Matt Arsenault]

http://llvm-reviews.chandlerc.com/D1782

Files:
  include/llvm/Analysis/ScalarEvolution.h
  lib/Analysis/ScalarEvolution.cpp

Index: include/llvm/Analysis/ScalarEvolution.h
===================================================================
--- include/llvm/Analysis/ScalarEvolution.h
+++ include/llvm/Analysis/ScalarEvolution.h
@@ -641,20 +641,11 @@
     ///
     const SCEV *getSizeOfExpr(Type *IntTy, Type *AllocTy);
 
-    /// getAlignOfExpr - Return an expression for alignof AllocTy
-    ///
-    const SCEV *getAlignOfExpr(Type *AllocTy);
-
     /// getOffsetOfExpr - Return an expression for offsetof on the given field
     /// with type IntTy
     ///
     const SCEV *getOffsetOfExpr(Type *IntTy, StructType *STy, unsigned FieldNo);
 
-    /// getOffsetOfExpr - Return an expression for offsetof on the given field
-    /// that is type IntTy
-    ///
-    const SCEV *getOffsetOfExpr(Type *IntTy, Type *CTy, Constant *FieldNo);
-
     /// getNegativeSCEV - Return the SCEV object corresponding to -V.
     ///
     const SCEV *getNegativeSCEV(const SCEV *V);
Index: lib/Analysis/ScalarEvolution.cpp
===================================================================
--- lib/Analysis/ScalarEvolution.cpp
+++ lib/Analysis/ScalarEvolution.cpp
@@ -2612,15 +2612,6 @@
   return getTruncateOrZeroExtend(getSCEV(C), Ty);
 }
 
-const SCEV *ScalarEvolution::getAlignOfExpr(Type *AllocTy) {
-  Constant *C = ConstantExpr::getAlignOf(AllocTy);
-  if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
-    if (Constant *Folded = ConstantFoldConstantExpression(CE, TD, TLI))
-      C = Folded;
-  Type *Ty = getEffectiveSCEVType(PointerType::getUnqual(AllocTy));
-  return getTruncateOrZeroExtend(getSCEV(C), Ty);
-}
-
 const SCEV *ScalarEvolution::getOffsetOfExpr(Type *IntTy,
                                              StructType *STy,
                                              unsigned FieldNo) {
@@ -2636,18 +2627,8 @@
   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
     if (Constant *Folded = ConstantFoldConstantExpression(CE, TD, TLI))
       C = Folded;
-  Type *Ty = getEffectiveSCEVType(PointerType::getUnqual(STy));
-  return getTruncateOrZeroExtend(getSCEV(C), Ty);
-}
 
-const SCEV *ScalarEvolution::getOffsetOfExpr(Type *IntTy,
-                                             Type *CTy,
-                                             Constant *FieldNo) {
-  Constant *C = ConstantExpr::getOffsetOf(CTy, FieldNo);
-  if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
-    if (Constant *Folded = ConstantFoldConstantExpression(CE, TD, TLI))
-      C = Folded;
-  Type *Ty = getEffectiveSCEVType(PointerType::getUnqual(CTy));
+  Type *Ty = getEffectiveSCEVType(PointerType::getUnqual(STy));
   return getTruncateOrZeroExtend(getSCEV(C), Ty);
 }
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