llvm/test/MC/WebAssembly/weak-alias.ll
Sam Clegg 14598cb5be [WebAssembly] Add version to object file metadata
Summary: See https://github.com/WebAssembly/tool-conventions/issues/54

Subscribers: jfb, dschuff, jgravelle-google, aheejin, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D46069

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@330969 91177308-0d34-0410-b5e6-96231b3b80d8
2018-04-26 18:15:32 +00:00

223 lines
9.0 KiB
LLVM

; RUN: llc -filetype=obj %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-wasm"
; '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: ReturnType: I32
; CHECK-NEXT: ParamTypes:
; 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: ANYFUNC
; 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: CODE
; CHECK-NEXT: Relocations:
; CHECK-NEXT: - Type: R_WEBASSEMBLY_FUNCTION_INDEX_LEB
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000009
; CHECK-NEXT: - Type: R_WEBASSEMBLY_FUNCTION_INDEX_LEB
; CHECK-NEXT: Index: 3
; CHECK-NEXT: Offset: 0x00000012
; CHECK-NEXT: - Type: R_WEBASSEMBLY_MEMORY_ADDR_LEB
; CHECK-NEXT: Index: 5
; CHECK-NEXT: Offset: 0x0000001E
; CHECK-NEXT: - Type: R_WEBASSEMBLY_TYPE_INDEX_LEB
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x00000024
; CHECK-NEXT: - Type: R_WEBASSEMBLY_MEMORY_ADDR_LEB
; CHECK-NEXT: Index: 7
; CHECK-NEXT: Offset: 0x00000031
; CHECK-NEXT: - Type: R_WEBASSEMBLY_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_WEBASSEMBLY_TABLE_INDEX_I32
; CHECK-NEXT: Index: 0
; CHECK-NEXT: Offset: 0x0000000F
; CHECK-NEXT: - Type: R_WEBASSEMBLY_TABLE_INDEX_I32
; CHECK-NEXT: Index: 3
; CHECK-NEXT: Offset: 0x00000018
; CHECK-NEXT: Segments:
; CHECK-NEXT: - SectionOffset: 6
; CHECK-NEXT: MemoryIndex: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0
; CHECK-NEXT: Content: '07000000'
; CHECK-NEXT: - SectionOffset: 15
; CHECK-NEXT: MemoryIndex: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 8
; CHECK-NEXT: Content: '01000000'
; CHECK-NEXT: - SectionOffset: 24
; CHECK-NEXT: MemoryIndex: 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: 1
; 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: 8
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: .data.direct_address
; CHECK-NEXT: Alignment: 8
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Name: .data.alias_address
; CHECK-NEXT: Alignment: 8
; CHECK-NEXT: Flags: [ ]
; CHECK-NEXT: ...
; CHECK-SYMS: SYMBOL TABLE:
; CHECK-SYMS-NEXT: 00000000 g F CODE .hidden foo
; CHECK-SYMS-NEXT: 00000001 g F CODE .hidden call_direct
; CHECK-SYMS-NEXT: 00000002 g F CODE .hidden call_alias
; CHECK-SYMS-NEXT: 00000000 gw F CODE .hidden foo_alias
; CHECK-SYMS-NEXT: 00000003 g F CODE .hidden call_direct_ptr
; CHECK-SYMS-NEXT: 00000008 g DATA direct_address
; CHECK-SYMS-NEXT: 00000004 g F CODE .hidden call_alias_ptr
; CHECK-SYMS-NEXT: 00000010 g DATA alias_address
; CHECK-SYMS-NEXT: 00000000 g DATA bar
; CHECK-SYMS-NEXT: 00000000 gw DATA .hidden bar_alias