Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295,

PR3296 and PR3302.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62160 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 9 deletions

diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 211f013c25..30df087cef 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -143,15 +143,6 @@ Value *SCEVExpander::visitUDivExpr(SCEVUDivExpr *S) {
   return InsertBinop(Instruction::UDiv, LHS, RHS, InsertPt);
 }
 
-Value *SCEVExpander::visitSDivExpr(SCEVSDivExpr *S) {
-  // Do not fold sdiv into ashr, unless you know that LHS is positive. On
-  // negative values, it rounds the wrong way.
-
-  Value *LHS = expand(S->getLHS());
-  Value *RHS = expand(S->getRHS());
-  return InsertBinop(Instruction::SDiv, LHS, RHS, InsertPt);
-}
-
 Value *SCEVExpander::visitAddRecExpr(SCEVAddRecExpr *S) {
   const Type *Ty = S->getType();
   const Loop *L = S->getLoop();