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authorNadav Rotem <nadav.rotem@intel.com>2011-12-05 06:29:09 +0000
committerNadav Rotem <nadav.rotem@intel.com>2011-12-05 06:29:09 +0000
commit1608769abeb1430dc34f31ffac0d9850f99ae36a (patch)
tree7834f9a415e0348f155f2834c40171c3b13d60ed /lib/Transforms/Scalar/IndVarSimplify.cpp
parent8e1b12ae68cd6ae5180cb300a05bae5ddf0c49ae (diff)
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Add support for vectors of pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/IndVarSimplify.cpp')
-rw-r--r--lib/Transforms/Scalar/IndVarSimplify.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index ea083e3..1176cc9 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -178,6 +178,11 @@ bool IndVarSimplify::isValidRewrite(Value *FromVal, Value *ToVal) {
// base of a recurrence. This handles the case in which SCEV expansion
// converts a pointer type recurrence into a nonrecurrent pointer base
// indexed by an integer recurrence.
+
+ // If the GEP base pointer is a vector of pointers, abort.
+ if (!FromPtr->getType()->isPointerTy() || !ToPtr->getType()->isPointerTy())
+ return false;
+
const SCEV *FromBase = SE->getPointerBase(SE->getSCEV(FromPtr));
const SCEV *ToBase = SE->getPointerBase(SE->getSCEV(ToPtr));
if (FromBase == ToBase)