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LoopVectorize: Division reductions generate incorrect code. Remove the part of the...
author
Nadav Rotem
<nrotem@apple.com>
Fri, 16 Nov 2012 06:51:17 +0000
(06:51 +0000)
committer
Nadav Rotem
<nrotem@apple.com>
Fri, 16 Nov 2012 06:51:17 +0000
(06:51 +0000)
Thanks to Paul Redmond for catching this while reviewing the code.
llvm-svn: 168142
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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diff --git
a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index
12e4db6
..
31e0e86
100644
(file)
--- a/
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@
-1671,8
+1671,6
@@
LoopVectorizationLegality::isReductionInstr(Instruction *I,
case Instruction::Sub:
return Kind == IntegerAdd;
case Instruction::Mul:
- case Instruction::UDiv:
- case Instruction::SDiv:
return Kind == IntegerMult;
case Instruction::And:
return Kind == IntegerAnd;