47e2b6b29e
This matches the behavior of the ELF linker where -u/--undefined means symbols will get pulled in from archives but won't result in link error if they are missing. Also, don't actually great symbol table entries for the undefined symbols, again matching more closely the ELF linker. This also results in simplification of the code. Differential Revision: https://reviews.llvm.org/D50279 llvm-svn: 338938
67 lines
2.3 KiB
LLVM
67 lines
2.3 KiB
LLVM
; RUN: llc -filetype=obj %s -o %t.o
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; RUN: wasm-ld --demangle -o %t_demangle.wasm %t.o
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; RUN: obj2yaml %t_demangle.wasm | FileCheck %s
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; RUN: wasm-ld --no-demangle -o %t_nodemangle.wasm %t.o
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; RUN: obj2yaml %t_nodemangle.wasm | FileCheck %s
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target triple = "wasm32-unknown-unknown"
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; Check that the EXPORT name is still mangled, but that the "name" custom
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; section contains the unmangled name.
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define void @_Z3fooi(i32 %arg) {
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ret void
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}
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declare extern_weak void @_Z3bari(i32 %arg)
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define void @_start() {
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call void @_Z3fooi(i32 1)
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call void @_Z3bari(i32 1)
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ret void
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}
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; CHECK: - 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: __heap_base
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: Index: 1
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; CHECK-NEXT: - Name: __data_end
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: Index: 2
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; CHECK-NEXT: - Name: _Z3fooi
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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: - 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: 0B
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 000B
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 0B
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: Locals:
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; CHECK-NEXT: Body: 410110828080800041011081808080000B
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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: __wasm_call_ctors
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; CHECK-NEXT: - Index: 1
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; CHECK-NEXT: Name: 'undefined function bar(int)'
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; CHECK-NEXT: - Index: 2
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; CHECK-NEXT: Name: 'foo(int)'
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; CHECK-NEXT: - Index: 3
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; CHECK-NEXT: Name: _start
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; CHECK-NEXT: ...
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