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| author | Micah Villmow <villmow@gmail.com> | 2012-10-15 16:24:29 +0000 |
|---|---|---|
| committer | Micah Villmow <villmow@gmail.com> | 2012-10-15 16:24:29 +0000 |
| commit | 2c39b15073db81d93bb629303915b7d7e5d088dc (patch) | |
| tree | 966e03c76191ad625cf466ea6ccf1238ddc23ed7 /lib/Transforms/Scalar/MemCpyOptimizer.cpp | |
| parent | f35c62bf025411393c7df0803851010cc0e597ba (diff) | |
| download | llvm-2c39b15073db81d93bb629303915b7d7e5d088dc.tar.gz llvm-2c39b15073db81d93bb629303915b7d7e5d088dc.tar.bz2 llvm-2c39b15073db81d93bb629303915b7d7e5d088dc.tar.xz | |
Resubmit the changes to llvm core to update the functions to support different pointer sizes on a per address space basis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165941 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/MemCpyOptimizer.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/MemCpyOptimizer.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp index 517657cf52..97fff9edd6 100644 --- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp +++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp @@ -174,10 +174,11 @@ bool MemsetRange::isProfitableToUseMemset(const DataLayout &TD) const { // this width can be stored. If so, check to see whether we will end up // actually reducing the number of stores used. unsigned Bytes = unsigned(End-Start); - unsigned NumPointerStores = Bytes/TD.getPointerSize(); + unsigned AS = cast<StoreInst>(TheStores[0])->getPointerAddressSpace(); + unsigned NumPointerStores = Bytes/TD.getPointerSize(AS); // Assume the remaining bytes if any are done a byte at a time. - unsigned NumByteStores = Bytes - NumPointerStores*TD.getPointerSize(); + unsigned NumByteStores = Bytes - NumPointerStores*TD.getPointerSize(AS); // If we will reduce the # stores (according to this heuristic), do the // transformation. This encourages merging 4 x i8 -> i32 and 2 x i16 -> i32 |