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Change elided large constant syntax to make it more explicit

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When the printer is requested to elide large constant, we emit an opaque
attribute instead. This patch fills the dialect name with
"elided_large_const" instead of "_" to remove some user confusion when
they later try to consume it.

Differential Revision: https://reviews.llvm.org/D117711
This commit is contained in:
Mehdi Amini 2022-01-19 19:57:59 +00:00
parent 5bd38a2826
commit e7ab36f191
4 changed files with 7 additions and 7 deletions
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2
mlir/lib/IR/AsmPrinter.cpp
View File

@ -1607,7 +1607,7 @@ static void printSymbolReference(StringRef symbolRef, raw_ostream &os) {
// accept the string "elided". The first string must be a registered dialect
// name and the latter must be a hex constant.
static void printElidedElementsAttr(raw_ostream &os) {
os << R"(opaque<"_", "0xDEADBEEF">)";
os << R"(opaque<"elided_large_const", "0xDEADBEEF">)";
}
LogicalResult AsmPrinter::Impl::printAlias(Attribute attr) {

2
mlir/test/CAPI/ir.c
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@ -463,7 +463,7 @@ static void printFirstOfEach(MlirContext ctx, MlirOperation operation) {
mlirOperationPrintWithFlags(operation, flags, printToStderr, NULL);
fprintf(stderr, "\n");
// clang-format off
// CHECK: Op print with all flags: %{{.*}} = "arith.constant"() {elts = opaque<"_", "0xDEADBEEF"> : tensor<4xi32>, value = 0 : index} : () -> index loc(unknown)
// CHECK: Op print with all flags: %{{.*}} = "arith.constant"() {elts = opaque<"elided_large_const", "0xDEADBEEF"> : tensor<4xi32>, value = 0 : index} : () -> index loc(unknown)
// clang-format on
mlirOpPrintingFlagsDestroy(flags);

8
mlir/test/IR/pretty-attributes.mlir
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@ -5,17 +5,17 @@
// tensor which passes don't look at directly, this isn't an issue.
// RUN: mlir-opt %s -mlir-elide-elementsattrs-if-larger=2 | mlir-opt
// CHECK: opaque<"_", "0xDEADBEEF"> : tensor<3xi32>
// CHECK: opaque<"elided_large_const", "0xDEADBEEF"> : tensor<3xi32>
"test.dense_attr"() {foo.dense_attr = dense<[1, 2, 3]> : tensor<3xi32>} : () -> ()
// CHECK: dense<[1, 2]> : tensor<2xi32>
"test.non_elided_dense_attr"() {foo.dense_attr = dense<[1, 2]> : tensor<2xi32>} : () -> ()
// CHECK: opaque<"_", "0xDEADBEEF"> : vector<1x1x10xf16>
// CHECK: opaque<"elided_large_const", "0xDEADBEEF"> : vector<1x1x10xf16>
"test.sparse_attr"() {foo.sparse_attr = sparse<[[0, 0, 5]], -2.0> : vector<1x1x10xf16>} : () -> ()
// CHECK: opaque<"_", "0xDEADBEEF"> : tensor<100xf32>
"test.opaque_attr"() {foo.opaque_attr = opaque<"_", "0xEBFE"> : tensor<100xf32> } : () -> ()
// CHECK: opaque<"elided_large_const", "0xDEADBEEF"> : tensor<100xf32>
"test.opaque_attr"() {foo.opaque_attr = opaque<"elided_large_const", "0xEBFE"> : tensor<100xf32> } : () -> ()
// CHECK: dense<1> : tensor<3xi32>
"test.dense_splat"() {foo.dense_attr = dense<1> : tensor<3xi32>} : () -> ()

2
mlir/test/python/ir/operation.py
View File

@ -555,7 +555,7 @@ def testOperationPrint():
print(bytes_value)
# Test get_asm with options.
# CHECK: value = opaque<"_", "0xDEADBEEF"> : tensor<4xi32>
# CHECK: value = opaque<"elided_large_const", "0xDEADBEEF"> : tensor<4xi32>
# CHECK: "std.return"(%arg0) : (i32) -> () -:4:7
module.operation.print(
large_elements_limit=2,