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| author | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2017-06-25 13:36:20 +0000 |
|---|---|---|
| committer | Elena Demikhovsky <elena.demikhovsky@intel.com> | 2017-06-25 13:36:20 +0000 |
| commit | 72f991cdedeeabc72d00b3d79ecc55a3a025dd81 (patch) | |
| tree | e5ee038a261847c3b13c3a475b7d1dff381b3f61 /llvm/lib/CodeGen | |
| parent | 70f7512add00ca11f76b49dbeec99874e69850c3 (diff) | |
| download | bcm5719-llvm-72f991cdedeeabc72d00b3d79ecc55a3a025dd81.tar.gz bcm5719-llvm-72f991cdedeeabc72d00b3d79ecc55a3a025dd81.zip | |
AVX-512: Fixed a crash during legalization of <3 x i8> type
The compiler fails with assertion during legalization of SETCC for <3 x i8> operands.
The result is extended to <4 x i8> and then truncated <4 x i1>. It does not happen on AVX2, because the final result of SETCC is <4 x i32>.
Differential Revision: https://reviews.llvm.org/D34503
llvm-svn: 306242
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp index a3ba52a148e..75fec7bd1d4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp @@ -615,9 +615,8 @@ SDValue DAGTypeLegalizer::PromoteIntRes_SETCC(SDNode *N) { SDValue SetCC = DAG.getNode(N->getOpcode(), dl, SVT, LHS, RHS, N->getOperand(2)); - assert(NVT.bitsLE(SVT) && "Integer type overpromoted?"); // Convert to the expected type. - return DAG.getNode(ISD::TRUNCATE, dl, NVT, SetCC); + return DAG.getSExtOrTrunc(SetCC, dl, NVT); } SDValue DAGTypeLegalizer::PromoteIntRes_SHL(SDNode *N) { |
