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160 lines
5.9 KiB
160 lines
5.9 KiB
; RUN: llc -filetype=obj %s -o %t.o
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; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/call-indirect.s -o %t2.o
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; RUN: wasm-ld --export-dynamic -o %t.wasm %t2.o %t.o
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; RUN: obj2yaml %t.wasm | FileCheck %s
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; bitcode generated from the following C code:
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; int foo(void) { return 1; }
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; int (*indirect_func)(void) = &foo;
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; void _start(void) { indirect_func(); }
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target triple = "wasm32-unknown-unknown"
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@indirect_func = local_unnamed_addr global i32 ()* @foo, align 4
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; Function Attrs: norecurse nounwind readnone
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define i32 @foo() #0 {
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entry:
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ret i32 2
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}
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; Function Attrs: nounwind
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define void @_start() local_unnamed_addr #1 {
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entry:
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%0 = load i32 ()*, i32 ()** @indirect_func, align 4
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%call = call i32 %0() #2
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ret void
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}
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; Indirect function call where no function actually has this type.
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; Ensures that the type entry is still created in this case.
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define void @call_ptr(i64 (i64)* %arg) {
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%1 = call i64 %arg(i64 1)
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ret void
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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: - I64
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: ReturnTypes:
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; CHECK-NEXT: - I32
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: - I64
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; CHECK-NEXT: ReturnTypes:
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; CHECK-NEXT: - I64
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: ReturnTypes: []
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; CHECK-NEXT: - Index: 4
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: - I32
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; CHECK-NEXT: ReturnTypes: []
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; CHECK-NEXT: - Type: FUNCTION
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; CHECK-NEXT: FunctionTypes: [ 0, 3, 1, 3, 4 ]
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; CHECK-NEXT: - Type: TABLE
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; CHECK-NEXT: Tables:
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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: Flags: [ HAS_MAX ]
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; CHECK-NEXT: Initial: 0x3
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; CHECK-NEXT: Maximum: 0x3
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; CHECK-NEXT: - Type: MEMORY
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; CHECK-NEXT: Memories:
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; CHECK-NEXT: - Initial: 0x2
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; CHECK-NEXT: - Type: GLOBAL
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; CHECK-NEXT: Globals:
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: true
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 66576
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Type: I32
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; CHECK-NEXT: Mutable: false
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; CHECK-NEXT: InitExpr:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1032
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; CHECK-NEXT: - Type: EXPORT
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; CHECK-NEXT: Exports:
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; CHECK-NEXT: - Name: memory
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; CHECK-NEXT: Kind: MEMORY
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; CHECK-NEXT: Index: 0
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; CHECK-NEXT: - Name: bar
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 0
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; CHECK-NEXT: - Name: call_bar_indirect
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 1
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; CHECK-NEXT: - Name: foo
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 2
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; CHECK-NEXT: - Name: _start
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 3
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; CHECK-NEXT: - Name: indirect_func
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: Index: 1
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; CHECK-NEXT: - Name: call_ptr
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 4
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; CHECK-NEXT: - Type: ELEM
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; CHECK-NEXT: Segments:
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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, 2 ]
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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: 42010B
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 28028088808000118080808000001A28028488808000118180808000001A0B
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 41020B
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 410028028888808000118180808000001A0B
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; CHECK-NEXT: - Index: 4
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 42012000118280808000001A0B
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; CHECK-NEXT: - Type: DATA
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; CHECK-NEXT: Segments:
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; CHECK-NEXT: - SectionOffset: 7
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; CHECK-NEXT: InitFlags: 0
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; CHECK-NEXT: Offset:
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; CHECK-NEXT: Opcode: I32_CONST
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; CHECK-NEXT: Value: 1024
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; CHECK-NEXT: Content: '010000000200000002000000'
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; CHECK-NEXT: - Type: CUSTOM
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; CHECK-NEXT: Name: name
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; CHECK-NEXT: FunctionNames:
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: Name: bar
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Name: call_bar_indirect
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Name: foo
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: Name: _start
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; CHECK-NEXT: - Index: 4
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; CHECK-NEXT: Name: call_ptr
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; CHECK-NEXT: GlobalNames:
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; CHECK-NEXT: - Index: 0
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; CHECK-NEXT: Name: __stack_pointer
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; CHECK-NEXT: ...
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