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4522227204
This adds and optional ", immutable" to the end of a `.globaltype` declaration. I would have prefered to match the `.wat` syntax where immutable is the default and `mut` is the signifier for mutable globals. Sadly changing the default would break backwards compat with existing assembly in the wild so I think its best to stick with this approach. Differential Revision: https://reviews.llvm.org/D87515
86 lines
2.7 KiB
ArmAsm
86 lines
2.7 KiB
ArmAsm
# RUN: llvm-mc -triple=wasm32-unknown-unknown < %s | FileCheck %s
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# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj < %s | obj2yaml | FileCheck -check-prefix=BIN %s
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# Tests creating an accessing actual wasm globals
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.globl read_global
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.globl write_global
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.globaltype foo_global, i32
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.globaltype global2, i64, immutable
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.globaltype global3, f32
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.globaltype global4, f64
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read_global:
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.functype read_global () -> (i32)
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global.get foo_global
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end_function
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write_global:
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.functype write_global (i32) -> ()
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local.get 0
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global.set foo_global
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global.set global2
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global.set global3
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global.set global4
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end_function
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foo_global:
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global2:
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global3:
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global4:
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# CHECK: .globl read_global
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# CNEXT: .globl write_global
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# CHECK: .globaltype foo_global, i32
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# CHECK: foo_global:
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# BIN: - Type: GLOBAL
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# BIN-NEXT: Globals:
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# BIN-NEXT: - Index: 0
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# BIN-NEXT: Type: I32
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# BIN-NEXT: Mutable: true
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# BIN-NEXT: InitExpr:
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# BIN-NEXT: Opcode: I32_CONST
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# BIN-NEXT: Value: 0
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# BIN-NEXT: - Index: 1
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# BIN-NEXT: Type: I64
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# BIN-NEXT: Mutable: false
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# BIN-NEXT: InitExpr:
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# BIN-NEXT: Opcode: I64_CONST
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# BIN-NEXT: Value: 0
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# BIN: - Type: CUSTOM
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# BIN-NEXT: Name: linking
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# BIN-NEXT: Version: 2
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# BIN-NEXT: SymbolTable:
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# BIN-NEXT: - Index: 0
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# BIN-NEXT: Kind: FUNCTION
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# BIN-NEXT: Name: read_global
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# BIN-NEXT: Flags: [ ]
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# BIN-NEXT: Function: 0
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# BIN-NEXT: - Index: 1
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# BIN-NEXT: Kind: FUNCTION
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# BIN-NEXT: Name: write_global
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# BIN-NEXT: Flags: [ ]
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# BIN-NEXT: Function: 1
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# BIN-NEXT: - Index: 2
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# BIN-NEXT: Kind: GLOBAL
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# BIN-NEXT: Name: foo_global
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# BIN-NEXT: Flags: [ BINDING_LOCAL ]
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# BIN-NEXT: Global: 0
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# BIN-NEXT: - Index: 3
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# BIN-NEXT: Kind: GLOBAL
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# BIN-NEXT: Name: global2
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# BIN-NEXT: Flags: [ BINDING_LOCAL ]
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# BIN-NEXT: Global: 1
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# BIN-NEXT: - Index: 4
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# BIN-NEXT: Kind: GLOBAL
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# BIN-NEXT: Name: global3
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# BIN-NEXT: Flags: [ BINDING_LOCAL ]
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# BIN-NEXT: Global: 2
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# BIN-NEXT: - Index: 5
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# BIN-NEXT: Kind: GLOBAL
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# BIN-NEXT: Name: global4
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# BIN-NEXT: Flags: [ BINDING_LOCAL ]
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# BIN-NEXT: Global: 3
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