commit 4be56a5d12730de3d88ed707dff57a11f64cbe7d
author Devang Patel <dpatel@apple.com> Fri Aug 24 06:02:25 2007 +0000
committer Devang Patel <dpatel@apple.com> Fri Aug 24 06:02:25 2007 +0000
tree 4d1aeff0e05daf1ec74e3f3a3fe0c7d0c62aace5
parent 5e46fac6debf7af41ac8233479dfef822146efa8

Reject ICMP_NE as index split condition.

llvm-svn: 41357

llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp

diff --git a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 6b69ece..93d6309 100644
--- a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -338,6 +338,9 @@
     if (!CI || CI == ExitCondition)
       return;
 
+    if (CI->getPredicate() == ICmpInst::ICMP_NE)
+      return;
+
     // If one operand is loop invariant and second operand is SCEVAddRecExpr
     // based on induction variable then CI is a candidate split condition.
     Value *V0 = CI->getOperand(0);