llvm-project/lld/test/wasm/export.ll

60 lines
1.9 KiB
LLVM

; Test in default mode
; RUN: llc -filetype=obj %s -o %t.o
; RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
; RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
; RUN: obj2yaml %t.wasm | FileCheck %s
; Now test in Emscripten mode
; RUN: llc -filetype=obj %s -o %t.o -mtriple=wasm32-unknown-emscripten
; RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
; RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
; RUN: obj2yaml %t.wasm | FileCheck %s --check-prefixes=CHECK,EMSCRIPTEN
target triple = "wasm32-unknown-unknown"
@llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @used_function to i8*)], section "llvm.metadata"
; Not exported by default, but forced via commandline
define hidden i32 @hidden_function() local_unnamed_addr {
entry:
ret i32 0
}
; Not exported by default
define i32 @default_function() local_unnamed_addr {
entry:
ret i32 0
}
; Exported because its part of llvm.used
define i32 @used_function() local_unnamed_addr {
entry:
ret i32 0
}
; Exported by default
define void @_start() local_unnamed_addr {
entry:
ret void
}
; CHECK-ERROR: error: symbol exported via --export not found: missing
; CHECK-NOT: - Name: default_function
; CHECK: - Type: EXPORT
; CHECK-NEXT: Exports:
; CHECK-NEXT: - Name: memory
; CHECK-NEXT: Kind: MEMORY
; CHECK-NEXT: Index: 0
; CHECK-NEXT: - Name: hidden_function
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Index: 0
; EMSCRIPTEN-NEXT: - Name: used_function
; EMSCRIPTEN-NEXT: Kind: FUNCTION
; EMSCRIPTEN-NEXT: Index: 1
; CHECK-NEXT: - Name: _start
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Index: 2
; CHECK-NEXT: - Type: CODE