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| author | Nadav Rotem <nadav.rotem@intel.com> | 2011-12-05 06:29:09 +0000 |
|---|---|---|
| committer | Nadav Rotem <nadav.rotem@intel.com> | 2011-12-05 06:29:09 +0000 |
| commit | 1608769abeb1430dc34f31ffac0d9850f99ae36a (patch) | |
| tree | 7834f9a415e0348f155f2834c40171c3b13d60ed /lib/Transforms/Scalar/IndVarSimplify.cpp | |
| parent | 8e1b12ae68cd6ae5180cb300a05bae5ddf0c49ae (diff) | |
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.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp index ea083e36ca..1176cc9a04 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) |