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author | tstellar <tstellar@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-09-24 15:51:47 +0000 |
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committer | tstellar <tstellar@91177308-0d34-0410-b5e6-96231b3b80d8> | 2012-09-24 15:51:47 +0000 |
commit | 92e2e7b3ca98861266853fed1a9eb56a99a79b30 (patch) | |
tree | 21e4d80908a98b944995b9962ff56da2e9a5d673 /include | |
parent | f42195f33b780da53eff8c75d01c605b79acc641 (diff) |
Add an MDBuilder utility for creating !tbaa.struct nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/R600/@164505 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/MDBuilder.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/MDBuilder.h b/include/llvm/MDBuilder.h index 2aa48b0b47..1867a63923 100644 --- a/include/llvm/MDBuilder.h +++ b/include/llvm/MDBuilder.h @@ -134,6 +134,27 @@ namespace llvm { } } + struct TBAAStructField { + uint64_t Offset; + uint64_t Size; + MDNode *TBAA; + TBAAStructField(uint64_t Offset, uint64_t Size, MDNode *TBAA) : + Offset(Offset), Size(Size), TBAA(TBAA) {} + }; + + /// \brief Return metadata for a tbaa.struct node with the given + /// struct field descriptions. + MDNode *createTBAAStructNode(ArrayRef<TBAAStructField> Fields) { + SmallVector<Value *, 4> Vals(Fields.size() * 3); + Type *Int64 = IntegerType::get(Context, 64); + for (unsigned i = 0, e = Fields.size(); i != e; ++i) { + Vals[i * 3 + 0] = ConstantInt::get(Int64, Fields[i].Offset); + Vals[i * 3 + 1] = ConstantInt::get(Int64, Fields[i].Size); + Vals[i * 3 + 2] = Fields[i].TBAA; + } + return MDNode::get(Context, Vals); + } + }; } // end namespace llvm |