From f4fc01f8dd3a5dfd2060d1ad0df6b90e8351ddf7 Mon Sep 17 00:00:00 2001 From: Graham Hunter Date: Wed, 29 May 2019 12:22:54 +0000 Subject: [SVE][IR] Scalable Vector IR Type * Adds a 'scalable' flag to VectorType * Adds an 'ElementCount' class to VectorType to pass (possibly scalable) vector lengths, with overloaded operators. * Modifies existing helper functions to use ElementCount * Adds support for serializing/deserializing to/from both textual and bitcode IR formats * Extends the verifier to reject global variables of scalable types * Updates documentation See the latest version of the RFC here: http://lists.llvm.org/pipermail/llvm-dev/2018-July/124396.html Reviewers: rengolin, lattner, echristo, chandlerc, hfinkel, rkruppe, samparker, SjoerdMeijer, greened, sebpop Reviewed By: hfinkel, sebpop Differential Revision: https://reviews.llvm.org/D32530 llvm-svn: 361953 --- llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp') diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index b23115b..134ce03 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1758,7 +1758,8 @@ Error BitcodeReader::parseTypeTableBody() { return error("Invalid type"); ResultTy = ArrayType::get(ResultTy, Record[0]); break; - case bitc::TYPE_CODE_VECTOR: // VECTOR: [numelts, eltty] + case bitc::TYPE_CODE_VECTOR: // VECTOR: [numelts, eltty] or + // [numelts, eltty, scalable] if (Record.size() < 2) return error("Invalid record"); if (Record[0] == 0) @@ -1766,7 +1767,8 @@ Error BitcodeReader::parseTypeTableBody() { ResultTy = getTypeByID(Record[1]); if (!ResultTy || !StructType::isValidElementType(ResultTy)) return error("Invalid type"); - ResultTy = VectorType::get(ResultTy, Record[0]); + bool Scalable = Record.size() > 2 ? Record[2] : false; + ResultTy = VectorType::get(ResultTy, Record[0], Scalable); break; } -- cgit v1.1