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| author | Micah Villmow <villmow@gmail.com> | 2012-10-11 17:21:41 +0000 |
|---|---|---|
| committer | Micah Villmow <villmow@gmail.com> | 2012-10-11 17:21:41 +0000 |
| commit | f3840d2c16a4ec4c879a8ded402835746de380f8 (patch) | |
| tree | 705fb3f3aea368f4880d2d672312e6b783528718 /lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | ebba49395c189364c9ef77fb4c432856330ceca1 (diff) | |
Add in the first iteration of support for llvm/clang/lldb to allow variable per address space pointer sizes to be optimized correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165726 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 79cfcdfe0e..183416f3fd 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3449,9 +3449,12 @@ static bool FindOptimalMemOpLowering(std::vector<EVT> &MemOps, EVT VT = TLI.getOptimalMemOpType(Size, DstAlign, SrcAlign, IsZeroVal, MemcpyStrSrc, DAG.getMachineFunction()); + Type *vtType = VT.isExtended() ? VT.getTypeForEVT(*DAG.getContext()) : NULL; + unsigned AS = (vtType && vtType->isPointerTy()) ? + cast<PointerType>(vtType)->getAddressSpace() : 0; if (VT == MVT::Other) { - if (DstAlign >= TLI.getDataLayout()->getPointerPrefAlignment() || + if (DstAlign >= TLI.getDataLayout()->getPointerPrefAlignment(AS) || TLI.allowsUnalignedMemoryAccesses(VT)) { VT = TLI.getPointerTy(); } else { |