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| author | Duncan Sands <baldrick@free.fr> | 2008-02-27 17:39:13 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2008-02-27 17:39:13 +0000 |
| commit | 052e976f856fc66fce47d75be893480776906539 (patch) | |
| tree | e7333edfa68243e91a170fdb50d937e69a34e1b6 | |
| parent | 6b0f14b96ae5fdc21904de33c8d07ec02e75d4e3 (diff) | |
Add a FIXME about the VECTOR_SHUFFLE evil hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47676 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp index c0168f0460..f6fdd2b8a3 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeTypesSplit.cpp @@ -547,6 +547,8 @@ SDOperand DAGTypeLegalizer::SplitOp_VECTOR_SHUFFLE(SDNode *N, unsigned OpNo) { // If the element type is not legal, find a larger legal type to use for // the BUILD_VECTOR operands. This is an ugly hack, but seems to work! + // FIXME: The real solution is to change VECTOR_SHUFFLE into a variadic + // node where the shuffle mask is a list of integer operands, #2 .. #2+n. for (MVT::SimpleValueType OpVT = EltVT; OpVT <= MVT::LAST_INTEGER_VALUETYPE; // Integer values types are consecutively numbered. Exploit this. OpVT = MVT::SimpleValueType(OpVT + 1)) { |