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Differential D71506

[WebAssembly] Convert MC tests to from bitcode to asm
ClosedPublic

Authored by sbc100 on Dec 13 2019, 7:28 PM.

Details

Reviewers
dschuff
aardappel
Commits
rG8aee6b414a89: [WebAssembly] Convert MC tests to from bitcode to asm
Summary

Now that our .s format is useable we should really convert all our
MC and lld tests over to .s format to match other targets.

This is a first attempt at converting 2 of our MC tests.

Diff Detail

Event Timeline

sbc100 created this revision.Dec 13 2019, 7:28 PM
Herald added a project: Restricted Project. · View Herald TranscriptDec 13 2019, 7:28 PM
Herald added subscribers: llvm-commits, sunfish, aheejin and 2 others. · View Herald Transcript
sbc100 added reviewers: dschuff, aardappel.Dec 13 2019, 7:29 PM
Harbormaster completed remote builds in B42501: Diff 233911.Dec 13 2019, 7:31 PM
sbc100 updated this revision to Diff 234140.Dec 16 2019, 1:46 PM

rebase

Harbormaster completed remote builds in B42597: Diff 234140.Dec 16 2019, 1:49 PM
dschuff accepted this revision.Dec 16 2019, 2:52 PM
dschuff added inline comments.
llvm/test/MC/WebAssembly/weak.s
2

does this need that list of enabled features?

This revision is now accepted and ready to land.Dec 16 2019, 2:52 PM
sbc100 marked an inline comment as done.Dec 16 2019, 3:00 PM
sbc100 updated this revision to Diff 234166.Dec 16 2019, 3:00 PM
  • remove attrs
Harbormaster completed remote builds in B42616: Diff 234166.Dec 16 2019, 3:02 PM
Closed by commit rG8aee6b414a89: [WebAssembly] Convert MC tests to from bitcode to asm (authored by sbc100). · Explain WhyDec 17 2019, 11:36 AM
This revision was automatically updated to reflect the committed changes.
aardappel added a comment.Dec 18 2019, 10:21 AM

Very cool!

Revision Contents

PathSize
llvm/
test/
MC/
WebAssembly/
254 lines
24 lines

Diff 234166

llvm/test/MC/WebAssembly/weak-alias.ll

  • This file was deleted.
; RUN: llc -filetype=obj -wasm-keep-registers %s -o %t.o
; RUN: obj2yaml %t.o | FileCheck %s
; RUN: llvm-objdump -t %t.o | FileCheck --check-prefix=CHECK-SYMS %s
target triple = "wasm32-unknown-unknown"
; 'foo_alias()' is weak alias of function 'foo()'
; 'bar_alias' is weak alias of global variable 'bar'
; Generates two exports of the same function, one of them weak
@bar = global i32 7, align 8
@bar_alias = weak hidden alias i32, i32* @bar
@foo_alias = weak hidden alias i32 (), i32 ()* @foo
@direct_address = global i32()* @foo, align 8
@alias_address = global i32()* @foo_alias, align 8
define hidden i32 @foo() #0 {
entry:
ret i32 0
}
define hidden i32 @call_direct() #0 {
entry:
%call = call i32 @foo()
ret i32 %call
}
define hidden i32 @call_alias() #0 {
entry:
%call = call i32 @foo_alias()
ret i32 %call
}
define hidden i32 @call_direct_ptr() #0 {
entry:
%0 = load i32 ()*, i32 ()** @direct_address, align 8
%call = call i32 %0()
ret i32 %call
}
define hidden i32 @call_alias_ptr() #0 {
entry:
%0 = load i32 ()*, i32 ()** @alias_address, align 8
%call = call i32 %0()
ret i32 %call
}
; CHECK: - Type: TYPE
; CHECK-NEXT: Signatures:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: ParamTypes:
; CHECK-NEXT: ReturnTypes:
; CHECK-NEXT: - I32
; CHECK-NEXT: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __linear_memory
; CHECK-NEXT: Kind: MEMORY
; CHECK-NEXT: Memory:
; CHECK-NEXT: Initial: 0x00000001
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: __indirect_function_table
; CHECK-NEXT: Kind: TABLE
; CHECK-NEXT: Table:
; CHECK-NEXT: ElemType: FUNCREF
; CHECK-NEXT: Limits:
; CHECK-NEXT: Initial: 0x00000001
; CHECK-NEXT: - Type: FUNCTION
; CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 0, 0 ]
; CHECK-NEXT: - Type: ELEM
; CHECK-NEXT: Segments:
; CHECK-NEXT: - Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1
; CHECK-NEXT: Functions: [ 0 ]
; CHECK-NEXT: - Type: DATACOUNT
; CHECK-NEXT: Count: 3
; CHECK-NEXT: - Type: CODE
; CHECK-NEXT: Relocations:
; CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000009
; CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
; CHECK-NEXT: Index: 3
; CHECK-NEXT: Offset: 0x00000012
; CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_LEB
; CHECK-NEXT: Index: 5
; CHECK-NEXT: Offset: 0x0000001E
; CHECK-NEXT: - Type: R_WASM_TYPE_INDEX_LEB
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000024
; CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_LEB
; CHECK-NEXT: Index: 7
; CHECK-NEXT: Offset: 0x00000031
; CHECK-NEXT: - Type: R_WASM_TYPE_INDEX_LEB
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000037
; CHECK-NEXT: Functions:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 41000B
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1080808080000B
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 1080808080000B
; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 410028028880808000118080808000000B
; CHECK-NEXT: - Index: 4
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 410028029080808000118080808000000B
; CHECK-NEXT: - Type: DATA
; CHECK-NEXT: Relocations:
; CHECK-NEXT: - Type: R_WASM_TABLE_INDEX_I32
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x0000000F
; CHECK-NEXT: - Type: R_WASM_TABLE_INDEX_I32
; CHECK-NEXT: Index: 3
; CHECK-NEXT: Offset: 0x00000018
; CHECK-NEXT: Segments:
; CHECK-NEXT: - SectionOffset: 6
; CHECK-NEXT: InitFlags: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0
; CHECK-NEXT: Content: '07000000'
; CHECK-NEXT: - SectionOffset: 15
; CHECK-NEXT: InitFlags: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 8
; CHECK-NEXT: Content: '01000000'
; CHECK-NEXT: - SectionOffset: 24
; CHECK-NEXT: InitFlags: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 16
; CHECK-NEXT: Content: '01000000'
; CHECK-NEXT: - Type: CUSTOM
; CHECK-NEXT: Name: linking
; CHECK-NEXT: Version: 2
; CHECK-NEXT: SymbolTable:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: foo
; CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 0
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: call_direct
; CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 1
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: call_alias
; CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 2
; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: foo_alias
; CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 0
; CHECK-NEXT: - Index: 4
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: call_direct_ptr
; CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 3
; CHECK-NEXT: - Index: 5
; CHECK-NEXT: Kind: DATA
; CHECK-NEXT: Name: direct_address
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: Segment: 1
; CHECK-NEXT: Size: 4
; CHECK-NEXT: - Index: 6
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: call_alias_ptr
; CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 4
; CHECK-NEXT: - Index: 7
; CHECK-NEXT: Kind: DATA
; CHECK-NEXT: Name: alias_address
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: Segment: 2
; CHECK-NEXT: Size: 4
; CHECK-NEXT: - Index: 8
; CHECK-NEXT: Kind: DATA
; CHECK-NEXT: Name: bar
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: Segment: 0
; CHECK-NEXT: Size: 4
; CHECK-NEXT: - Index: 9
; CHECK-NEXT: Kind: DATA
; CHECK-NEXT: Name: bar_alias
; CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN ]
; CHECK-NEXT: Segment: 0
; CHECK-NEXT: Size: 4
; CHECK-NEXT: SegmentInfo:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Name: .data.bar
; CHECK-NEXT: Alignment: 3
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: .data.direct_address
; CHECK-NEXT: Alignment: 3
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Name: .data.alias_address
; CHECK-NEXT: Alignment: 3
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: ...
; CHECK-SYMS: SYMBOL TABLE:
; CHECK-SYMS-NEXT: 00000001 g F CODE .hidden foo
; CHECK-SYMS-NEXT: 00000006 g F CODE .hidden call_direct
; CHECK-SYMS-NEXT: 0000000f g F CODE .hidden call_alias
; CHECK-SYMS-NEXT: 00000001 gw F CODE .hidden foo_alias
; CHECK-SYMS-NEXT: 00000018 g F CODE .hidden call_direct_ptr
; CHECK-SYMS-NEXT: 00000008 g O DATA direct_address
; CHECK-SYMS-NEXT: 0000002b g F CODE .hidden call_alias_ptr
; CHECK-SYMS-NEXT: 00000010 g O DATA alias_address
; CHECK-SYMS-NEXT: 00000000 g O DATA bar
; CHECK-SYMS-NEXT: 00000000 gw O DATA .hidden bar_alias

llvm/test/MC/WebAssembly/weak-alias.s

  • This file was added.
# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -o %t.o < %s
# RUN: obj2yaml %t.o | FileCheck %s
# 'foo_alias()' is weak alias of function 'foo()'
# 'bar_alias' is weak alias of global variable 'bar'
# Generates two exports of the same function, one of them weak
foo:
.hidden foo
.globl foo
.functype foo () -> (i32)
i32.const 0
end_function
call_direct:
.hidden call_direct
.globl call_direct
.functype call_direct () -> (i32)
i32.call foo
end_function
call_alias:
.hidden call_alias
.globl call_alias
.functype call_alias () -> (i32)
i32.call foo_alias
end_function
call_direct_ptr:
.hidden call_direct_ptr
.globl call_direct_ptr
.functype call_direct_ptr () -> (i32)
i32.const 0
i32.load direct_address
call_indirect () -> (i32)
end_function
call_alias_ptr:
.hidden call_alias_ptr
.globl call_alias_ptr
.functype call_alias_ptr () -> (i32)
i32.const 0
i32.load alias_address
call_indirect () -> (i32)
end_function
.section .data.bar,"",@
bar:
.int32 7
.size bar, 4
.globl bar
.p2align 3
.section .data.direct_address,"",@
direct_address:
.int32 foo
.size direct_address, 4
.globl direct_address
.p2align 3
.section .data.alias_address,"",@
alias_address:
.int32 foo_alias
.size alias_address, 4
.globl alias_address
.p2align 3
# Define Aliases
.set foo_alias, foo
.weak foo_alias
.type foo_alias,@function
.hidden foo_alias
.set bar_alias, bar
.weak bar_alias
.hidden bar_alias
# CHECK: - Type: TYPE
# CHECK-NEXT: Signatures:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: ReturnTypes:
# CHECK-NEXT: - I32
# CHECK-NEXT: - Type: IMPORT
# CHECK-NEXT: Imports:
# CHECK-NEXT: - Module: env
# CHECK-NEXT: Field: __linear_memory
# CHECK-NEXT: Kind: MEMORY
# CHECK-NEXT: Memory:
# CHECK-NEXT: Initial: 0x00000001
# CHECK-NEXT: - Module: env
# CHECK-NEXT: Field: __indirect_function_table
# CHECK-NEXT: Kind: TABLE
# CHECK-NEXT: Table:
# CHECK-NEXT: ElemType: FUNCREF
# CHECK-NEXT: Limits:
# CHECK-NEXT: Initial: 0x00000001
# CHECK-NEXT: - Type: FUNCTION
# CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 0, 0 ]
# CHECK-NEXT: - Type: ELEM
# CHECK-NEXT: Segments:
# CHECK-NEXT: - Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1
# CHECK-NEXT: Functions: [ 0 ]
# CHECK-NEXT: - Type: DATACOUNT
# CHECK-NEXT: Count: 3
# CHECK-NEXT: - Type: CODE
# CHECK-NEXT: Relocations:
# CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0x00000009
# CHECK-NEXT: - Type: R_WASM_FUNCTION_INDEX_LEB
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Offset: 0x00000012
# CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_LEB
# CHECK-NEXT: Index: 5
# CHECK-NEXT: Offset: 0x0000001E
# CHECK-NEXT: - Type: R_WASM_TYPE_INDEX_LEB
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0x00000024
# CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_LEB
# CHECK-NEXT: Index: 7
# CHECK-NEXT: Offset: 0x00000031
# CHECK-NEXT: - Type: R_WASM_TYPE_INDEX_LEB
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0x00000037
# CHECK-NEXT: Functions:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 41000B
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 1080808080000B
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 1080808080000B
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 410028028880808000118080808000000B
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 410028029080808000118080808000000B
# CHECK-NEXT: - Type: DATA
# CHECK-NEXT: Relocations:
# CHECK-NEXT: - Type: R_WASM_TABLE_INDEX_I32
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0x00000013
# CHECK-NEXT: - Type: R_WASM_TABLE_INDEX_I32
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Offset: 0x00000020
# CHECK-NEXT: Segments:
# CHECK-NEXT: - SectionOffset: 6
# CHECK-NEXT: InitFlags: 0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 0
# CHECK-NEXT: Content: '0700000000000000'
# CHECK-NEXT: - SectionOffset: 19
# CHECK-NEXT: InitFlags: 0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 8
# CHECK-NEXT: Content: '0100000000000000'
# CHECK-NEXT: - SectionOffset: 32
# CHECK-NEXT: InitFlags: 0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 16
# CHECK-NEXT: Content: '0100000000000000'
# CHECK-NEXT: - Type: CUSTOM
# CHECK-NEXT: Name: linking
# CHECK-NEXT: Version: 2
# CHECK-NEXT: SymbolTable:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: foo
# CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 0
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: call_direct
# CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 1
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: call_alias
# CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 2
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: foo_alias
# CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN, NO_STRIP ]
# CHECK-NEXT: Function: 0
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: call_direct_ptr
# CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 3
# CHECK-NEXT: - Index: 5
# CHECK-NEXT: Kind: DATA
# CHECK-NEXT: Name: direct_address
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: Segment: 1
# CHECK-NEXT: Size: 4
# CHECK-NEXT: - Index: 6
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: call_alias_ptr
# CHECK-NEXT: Flags: [ VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 4
# CHECK-NEXT: - Index: 7
# CHECK-NEXT: Kind: DATA
# CHECK-NEXT: Name: alias_address
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: Segment: 2
# CHECK-NEXT: Size: 4
# CHECK-NEXT: - Index: 8
# CHECK-NEXT: Kind: DATA
# CHECK-NEXT: Name: bar
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: Segment: 0
# CHECK-NEXT: Size: 4
# CHECK-NEXT: - Index: 9
# CHECK-NEXT: Kind: DATA
# CHECK-NEXT: Name: bar_alias
# CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN, NO_STRIP ]
# CHECK-NEXT: Segment: 0
# CHECK-NEXT: Size: 4
# CHECK-NEXT: SegmentInfo:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: .data.bar
# CHECK-NEXT: Alignment: 3
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Name: .data.direct_address
# CHECK-NEXT: Alignment: 3
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Name: .data.alias_address
# CHECK-NEXT: Alignment: 3
# CHECK-NEXT: Flags: [ ]
# CHECK-NEXT: ...
# CHECK-SYMS: SYMBOL TABLE:
# CHECK-SYMS-NEXT: 00000001 g F CODE .hidden foo
# CHECK-SYMS-NEXT: 00000006 g F CODE .hidden call_direct
# CHECK-SYMS-NEXT: 0000000f g F CODE .hidden call_alias
# CHECK-SYMS-NEXT: 00000001 gw F CODE .hidden foo_alias
# CHECK-SYMS-NEXT: 00000018 g F CODE .hidden call_direct_ptr
# CHECK-SYMS-NEXT: 00000008 g O DATA direct_address
# CHECK-SYMS-NEXT: 0000002b g F CODE .hidden call_alias_ptr
# CHECK-SYMS-NEXT: 00000010 g O DATA alias_address
# CHECK-SYMS-NEXT: 00000000 g O DATA bar
# CHECK-SYMS-NEXT: 00000000 gw O DATA .hidden bar_alias

llvm/test/MC/WebAssembly/weak.ll

  • This file was deleted.
; RUN: llc -filetype=obj %s -o - | obj2yaml | FileCheck %s
target triple = "wasm32-unknown-unknown"
; Weak external data reference
@weak_external_data = extern_weak global i32, align 4
; Weak function definition
define weak hidden i32 @weak_function() local_unnamed_addr #0 {
entry:
%0 = load i32, i32* @weak_external_data, align 4
ret i32 %0
}
; CHECK: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK: - Module: env
; CHECK-NEXT: Field: __linear_memory
; CHECK: - Module: env
; CHECK-NEXT: Field: __indirect_function_table
; CHECK: SymbolTable:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Name: weak_function
; CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN ]
; CHECK-NEXT: Function: 0
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Kind: DATA
; CHECK-NEXT: Name: weak_external_data
; CHECK-NEXT: Flags: [ BINDING_WEAK, UNDEFINED ]
; CHECK-NEXT: ...

llvm/test/MC/WebAssembly/weak.s

  • This file was added.
# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -o %t.o < %s
# RUN: obj2yaml %t.o | FileCheck %s
dschuffUnsubmitted
Done
ReplyInline Actions

does this need that list of enabled features?

dschuff: does this need that list of enabled features?
weak_function:
.functype weak_function () -> (i32)
.hidden weak_function
.weak weak_function
i32.const 0
i32.load weak_external_data
end_function
.weak weak_external_data
# CHECK: SymbolTable:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Name: weak_function
# CHECK-NEXT: Flags: [ BINDING_WEAK, VISIBILITY_HIDDEN ]
# CHECK-NEXT: Function: 0
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Kind: DATA
# CHECK-NEXT: Name: weak_external_data
# CHECK-NEXT: Flags: [ BINDING_WEAK, UNDEFINED ]
# CHECK-NEXT: ...
llvm/test/MC/WebAssembly/weak-alias.s