lld/test/wasm/load-undefined.test

   1 ; Verify that the -u / --undefined option is able to pull in symbols from
   2 ; an archive, and doesn't error when uses to pull in a symbol already loaded.
   3 ;
   4 ; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret64.s -o %t.o
   5 ; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t2.o
   6 ; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/start.s -o %t.start.o
   7 ; RUN: rm -f %t2.a
   8 ; RUN: llvm-ar rcs %t2.a %t2.o
   9 ; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t.wasm -u ret32 --undefined ret64
  10 ; RUN: obj2yaml %t.wasm | FileCheck %s
  11 ; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t2.wasm
  12 ; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=NO-LOAD
  13
  14 ; CHECK:         Name:            name
  15 ; CHECK-NEXT:    FunctionNames:
  16 ; CHECK-NEXT:      - Index:           0
  17 ; CHECK-NEXT:        Name:            __wasm_call_ctors
  18 ; CHECK-NEXT:      - Index:           1
  19 ; CHECK-NEXT:        Name:            _start
  20 ; CHECK-NEXT:      - Index:           2
  21 ; CHECK-NEXT:        Name:            ret64
  22 ; CHECK-NEXT:      - Index:           3
  23 ; CHECK-NEXT:        Name:            ret32
  24 ; CHECK-NEXT:     GlobalNames:
  25 ; CHECK-NEXT:       - Index:           0
  26 ; CHECK-NEXT:         Name:            __stack_pointer
  27 ; CHECK-NEXT: ...
  28
  29 ; NO-LOAD:         Name:            name
  30 ; NO-LOAD-NEXT:    FunctionNames:
  31 ; NO-LOAD-NEXT:      - Index:           0
  32 ; NO-LOAD-NEXT:        Name:            __wasm_call_ctors
  33 ; NO-LOAD-NEXT:      - Index:           1
  34 ; NO-LOAD-NEXT:        Name:            _start
  35 ; NO-LOAD-NEXT:      - Index:           2
  36 ; NO-LOAD-NEXT:        Name:            ret64
  37 ; NO-LOAD-NEXT:     GlobalNames:
  38 ; NO-LOAD-NEXT:       - Index:           0
  39 ; NO-LOAD-NEXT:         Name:            __stack_pointer
  40 ; NO-LOAD-NEXT: ...
  41
  42 ; Verify that referencing a symbol that is not found doesn't result in a link
  43 ; failure.  This matches the behaviour of the ELF linker.
  44 ; RUN: wasm-ld %t.start.o -o %t.wasm -u symboldoesnotexist