2017-11-18 02:14:09 +08:00
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; RUN: llc -mtriple wasm32-unknown-unknown-wasm -filetype=obj -o %t.o %s
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; RUN: llc -mtriple=wasm32-unknown-unknown-wasm -filetype=obj %S/Inputs/weak-alias.ll -o %t2.o
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; RUN: lld -flavor wasm %t.o %t2.o -o %t.wasm
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; RUN: obj2yaml %t.wasm | FileCheck %s
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; Test that weak aliases (bar is a weak alias of foo) are linked correctly
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declare i32 @bar() local_unnamed_addr #1
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; Function Attrs: nounwind uwtable
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define i32 @_start() local_unnamed_addr #1 {
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entry:
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%call = tail call i32 @bar() #2
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ret i32 %call
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}
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; CHECK: --- !WASM
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; CHECK-NEXT: FileHeader:
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; CHECK-NEXT: Version: 0x00000001
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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: ReturnType: I32
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; CHECK-NEXT: ParamTypes:
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; CHECK-NEXT: - Type: FUNCTION
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; CHECK-NEXT: FunctionTypes: [ 0, 0, 0 ]
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; CHECK-NEXT: - Type: TABLE
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; CHECK-NEXT: Tables:
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; CHECK-NEXT: - ElemType: ANYFUNC
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; CHECK-NEXT: Limits:
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; CHECK-NEXT: Flags: 0x00000001
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; CHECK-NEXT: Initial: 0x00000001
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; CHECK-NEXT: Maximum: 0x00000001
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; CHECK-NEXT: - Type: MEMORY
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; CHECK-NEXT: Memories:
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; CHECK-NEXT: - Initial: 0x00000002
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; CHECK-NEXT: - Type: GLOBAL
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; CHECK-NEXT: Globals:
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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: 66560
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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: _start
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 0
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2017-12-02 06:37:25 +08:00
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; CHECK-NEXT: - Name: bar
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 1
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2017-11-18 02:14:09 +08:00
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; CHECK-NEXT: - Name: foo
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 1
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; CHECK-NEXT: - Name: call_bar
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; CHECK-NEXT: Kind: FUNCTION
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; CHECK-NEXT: Index: 2
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; CHECK-NEXT: - Type: CODE
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; CHECK-NEXT: Functions:
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; CHECK-NEXT: - Locals:
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; CHECK-NEXT: Body: 1081808080000B
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; CHECK-NEXT: - Locals:
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; CHECK-NEXT: Body: 41000B
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; CHECK-NEXT: - Locals:
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; CHECK-NEXT: Body: 1081808080000B
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; CHECK-NEXT: - Type: CUSTOM
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; CHECK-NEXT: Name: linking
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; CHECK-NEXT: DataSize: 0
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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: _start
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Name: foo
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Name: call_bar
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; CHECK-NEXT: ...
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