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authorDevang Patel <dpatel@apple.com>2008-09-18 23:45:14 +0000
committerDevang Patel <dpatel@apple.com>2008-09-18 23:45:14 +0000
commitc25be3b2de7d30f45cffc739d65c36f37c5d6005 (patch)
tree5957619af6d89289e77a7a17c9f775718463181c /llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
parent6e005fdc8d354bfcc828f703a936c2119baccfc5 (diff)
downloadbcm5719-llvm-c25be3b2de7d30f45cffc739d65c36f37c5d6005.tar.gz
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splitLoop does not handle split condition EQ.
Fixes PR 2805 llvm-svn: 56321
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp')
-rw-r--r--llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
index 8cafe7424d0..085223cd814 100644
--- a/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1430,6 +1430,12 @@ bool LoopIndexSplit::splitLoop(SplitInfo &SD) {
if (!safeSplitCondition(SD))
return false;
+ // If split condition EQ is not handled.
+ if (ICmpInst *ICMP = dyn_cast<ICmpInst>(SD.SplitCondition)) {
+ if (ICMP->getPredicate() == ICmpInst::ICMP_EQ)
+ return false;
+ }
+
BasicBlock *SplitCondBlock = SD.SplitCondition->getParent();
// Unable to handle triangle loops at the moment.
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