[llvm-commits] [llvm] r168142 - /llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp

[Nadav Rotem]

Author: nadav
Date: Fri Nov 16 00:51:17 2012
New Revision: 168142

URL: http://llvm.org/viewvc/llvm-project?rev=168142&view=rev
Log:
LoopVectorize: Division reductions generate incorrect code. Remove the part of the code that deals with divs.
Thanks to Paul Redmond for catching this while reviewing the code.


Modified:
    llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp

Modified: llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp?rev=168142&r1=168141&r2=168142&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp (original)
+++ llvm/trunk/lib/Transforms/Vectorize/LoopVectorize.cpp Fri Nov 16 00:51:17 2012
@@ -1671,8 +1671,6 @@
     case Instruction::Sub:
       return Kind == IntegerAdd;
     case Instruction::Mul:
-    case Instruction::UDiv:
-    case Instruction::SDiv:
       return Kind == IntegerMult;
     case Instruction::And:
       return Kind == IntegerAnd;