[llvm-commits] CVS: llvm/lib/Analysis/ScalarEvolution.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

ScalarEvolution.cpp updated: 1.46 -> 1.47
---
Log message:

Signed shr by a constant is not the same as sdiv by 2^k


---
Diffs of the changes:  (+0 -9)

 ScalarEvolution.cpp |    9 ---------
 1 files changed, 9 deletions(-)


Index: llvm/lib/Analysis/ScalarEvolution.cpp
diff -u llvm/lib/Analysis/ScalarEvolution.cpp:1.46 llvm/lib/Analysis/ScalarEvolution.cpp:1.47
--- llvm/lib/Analysis/ScalarEvolution.cpp:1.46	Fri Mar 31 22:48:52 2006
+++ llvm/lib/Analysis/ScalarEvolution.cpp	Tue Apr  4 01:11:42 2006
@@ -1374,15 +1374,6 @@
       }
       break;
 
-    case Instruction::Shr:
-      if (ConstantUInt *SA = dyn_cast<ConstantUInt>(I->getOperand(1)))
-        if (V->getType()->isSigned()) {
-          Constant *X = ConstantInt::get(V->getType(), 1);
-          X = ConstantExpr::getShl(X, SA);
-          return SCEVSDivExpr::get(getSCEV(I->getOperand(0)), getSCEV(X));
-        }
-      break;
-
     case Instruction::Cast:
       return createNodeForCast(cast<CastInst>(I));