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0ac187d2cf
This patch renames the "Initial" member of WasmLimits to the name used in the spec, "Minimum". In the core WebAssembly specification, the Limits data type has one required "min" member and one optional "max" member, indicating the minimum required size of the corresponding table or memory, and the maximum size, if any. Although the WebAssembly spec does instantiate locally-defined tables and memories with the initial size being equal to the minimum size, it can't impose such a requirement for imports. It doesn't make sense to require an initial size for a memory import, for example. The compiler can only sensibly express the minimum and maximum sizes. See https://github.com/WebAssembly/js-types/blob/master/proposals/js-types/Overview.md#naming-of-size-limits for a related discussion that agrees that the right name of "initial" is "minimum" when querying the type of a table or memory from JavaScript. (Of course it still makes sense for JS to speak in terms of an initial size when it explicitly instantiates memories and tables.) Differential Revision: https://reviews.llvm.org/D99186
124 lines
3.8 KiB
YAML
124 lines
3.8 KiB
YAML
# RUN: yaml2obj %s | obj2yaml | FileCheck %s
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--- !WASM
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FileHeader:
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Version: 0x1
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Sections:
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- Type: TYPE
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Signatures:
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- Index: 0
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ParamTypes: []
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ReturnTypes: []
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- Type: IMPORT
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Imports:
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- Module: env
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Field: table_a
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Kind: TABLE
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Table:
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Index: 0
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ElemType: FUNCREF
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Limits:
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Minimum: 0x0
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- Type: FUNCTION
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FunctionTypes: [ 0 ]
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- Type: TABLE
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Tables:
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- Index: 1
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ElemType: FUNCREF
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Limits:
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Minimum: 0x0
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- Index: 2
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ElemType: EXTERNREF
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Limits:
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Minimum: 0x0
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- Index: 3
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ElemType: FUNCREF
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Limits:
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Flags: [ HAS_MAX ]
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Minimum: 0x3
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Maximum: 0x3
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- Type: EXPORT
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Exports:
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- Name: table_b
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Kind: TABLE
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Index: 1
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- Name: table_c
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Kind: TABLE
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Index: 2
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- Type: ELEM
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Segments:
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- Flags: 2
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TableNumber: 3
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ElemKind: FUNCREF
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Offset:
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Opcode: I32_CONST
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Value: 1
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Functions: [ 0, 0 ]
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- Type: CODE
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Functions:
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- Index: 0
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Locals: []
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Body: 0B
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...
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# CHECK: --- !WASM
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# CHECK-NEXT: FileHeader:
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# CHECK-NEXT: Version: 0x1
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# CHECK-NEXT: Sections:
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# CHECK-NEXT: - Type: TYPE
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# CHECK-NEXT: Signatures:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: ParamTypes: []
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# CHECK-NEXT: ReturnTypes: []
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# CHECK-NEXT: - Type: IMPORT
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# CHECK-NEXT: Imports:
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# CHECK-NEXT: - Module: env
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# CHECK-NEXT: Field: table_a
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# CHECK-NEXT: Kind: TABLE
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# CHECK-NEXT: Table:
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# CHECK-NEXT: Index: 0
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# CHECK-NEXT: ElemType: FUNCREF
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# CHECK-NEXT: Limits:
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# CHECK-NEXT: Minimum: 0x0
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# CHECK-NEXT: - Type: FUNCTION
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# CHECK-NEXT: FunctionTypes: [ 0 ]
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# CHECK-NEXT: - Type: TABLE
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# CHECK-NEXT: Tables:
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# CHECK-NEXT: - Index: 1
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# CHECK-NEXT: ElemType: FUNCREF
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# CHECK-NEXT: Limits:
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# CHECK-NEXT: Minimum: 0x0
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# CHECK-NEXT: - Index: 2
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# CHECK-NEXT: ElemType: EXTERNREF
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# CHECK-NEXT: Limits:
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# CHECK-NEXT: Minimum: 0x0
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# CHECK-NEXT: - Index: 3
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# CHECK-NEXT: ElemType: FUNCREF
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# CHECK-NEXT: Limits:
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# CHECK-NEXT: Flags: [ HAS_MAX ]
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# CHECK-NEXT: Minimum: 0x3
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# CHECK-NEXT: Maximum: 0x3
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# CHECK-NEXT: - Type: EXPORT
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# CHECK-NEXT: Exports:
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# CHECK-NEXT: - Name: table_b
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# CHECK-NEXT: Kind: TABLE
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# CHECK-NEXT: Index: 1
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# CHECK-NEXT: - Name: table_c
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# CHECK-NEXT: Kind: TABLE
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# CHECK-NEXT: Index: 2
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# CHECK-NEXT: - Type: ELEM
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# CHECK-NEXT: Segments:
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# CHECK-NEXT: - Flags: 2
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# CHECK-NEXT: TableNumber: 3
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# CHECK-NEXT: ElemKind: FUNCREF
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 1
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# CHECK-NEXT: Functions: [ 0, 0 ]
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# CHECK-NEXT: - Type: CODE
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# CHECK-NEXT: Functions:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: Locals: []
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# CHECK-NEXT: Body: 0B
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# CHECK-NEXT: ...
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