Author: Manasij Mukherjee Date: 2024-11-19T14:15:13-08:00 New Revision: 02930b87faeb490505b22f588757a18744248b6f
URL: https://github.com/llvm/llvm-project/commit/02930b87faeb490505b22f588757a18744248b6f DIFF: https://github.com/llvm/llvm-project/commit/02930b87faeb490505b22f588757a18744248b6f.diff LOG: [NVPTX] Promote v2i8 to v2i16 (#111189) Promote v2i8 to v2i16, fixes a crash. Re-enable a test in NVPTX/vector-returns.ll Partial cherry-pick of fda2fea w/o the test which does not exist in release/19.x https://github.com/llvm/llvm-project/issues/104864 Added: Modified: llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp Removed: ################################################################################ diff --git a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp index 6975412ce5d35b..b2153a7afe7365 100644 --- a/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp +++ b/llvm/lib/Target/NVPTX/NVPTXISelLowering.cpp @@ -229,6 +229,10 @@ static void ComputePTXValueVTs(const TargetLowering &TLI, const DataLayout &DL, // v*i8 are formally lowered as v4i8 EltVT = MVT::v4i8; NumElts = (NumElts + 3) / 4; + } else if (EltVT.getSimpleVT() == MVT::i8 && NumElts == 2) { + // v2i8 is promoted to v2i16 + NumElts = 1; + EltVT = MVT::v2i16; } for (unsigned j = 0; j != NumElts; ++j) { ValueVTs.push_back(EltVT); _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
