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refactor(compiler): HLFHE.dot_eint_int: Switch from reference to value semantics

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This changes the semantics of `HLFHE.dot_eint_int` from memref-based
reference semantics to tensor-based value semantics. The former:

  "HLFHE.dot_eint_int"(%arg0, %arg1, %arg2) :
     (memref<Nx!HLFHE.eint<0>>, memref<Nxi32>, memref<!HLFHE.eint<0>>) -> ()

becomes:

  "HLFHE.dot_eint_int"(%arg0, %arg1) :
     (tensor<Nx!HLFHE.eint<0>>, tensor<Nxi32>) -> !HLFHE.eint<0>

As a side effect, data-flow analyses become much easier. With the
previous memref type of the plaintext argument it is difficult to
check whether the plaintext values are statically defined constants or
originate from a memory region changed at execution time (e.g., for
analyses evaluating the impact on noise). Changing the plaintext type
from `memref` to `vector` makes such analyses significantly easier.
This commit is contained in:
Andi Drebes
2021-07-27 10:58:28 +02:00
committed by Quentin Bourgerie
parent cb580f16d2
commit 8b9c9f2da1
7 changed files with 108 additions and 104 deletions
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compiler/src/main.cpp
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@@ -250,6 +250,7 @@ mlir::LogicalResult compilerMain(int argc, char **argv) {
context.getOrLoadDialect<mlir::StandardOpsDialect>();
context.getOrLoadDialect<mlir::memref::MemRefDialect>();
context.getOrLoadDialect<mlir::linalg::LinalgDialect>();
context.getOrLoadDialect<mlir::tensor::TensorDialect>();
context.getOrLoadDialect<mlir::LLVM::LLVMDialect>();
if (cmdline::verifyDiagnostics)