; Verify that the -u / --undefined option is able to pull in symbols from
; an archive, and doesn't error when uses to pull in a symbol already loaded.
;
; RUN: llc -filetype=obj %S/Inputs/ret64.ll -o %t.o
; RUN: llc -filetype=obj %S/Inputs/ret32.ll -o %t2.o
; RUN: llc -filetype=obj %S/Inputs/start.ll -o %t.start.o
; RUN: llvm-ar rcs %t2.a %t2.o
; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t.wasm -u ret32 --undefined ret64
; RUN: obj2yaml %t.wasm | FileCheck %s
; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t2.wasm
; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=NO-LOAD

; CHECK:         Name:            name
; CHECK-NEXT:    FunctionNames:   
; CHECK-NEXT:      - Index:           0
; CHECK-NEXT:        Name:            __wasm_call_ctors
; CHECK-NEXT:      - Index:           1
; CHECK-NEXT:        Name:            _start
; CHECK-NEXT:      - Index:           2
; CHECK-NEXT:        Name:            ret32
; CHECK-NEXT:      - Index:           3
; CHECK-NEXT:        Name:            ret64
; CHECK-NEXT: ...

; NO-LOAD:         Name:            name
; NO-LOAD-NEXT:    FunctionNames:   
; NO-LOAD-NEXT:      - Index:           0
; NO-LOAD-NEXT:        Name:            __wasm_call_ctors
; NO-LOAD-NEXT:      - Index:           1
; NO-LOAD-NEXT:        Name:            _start
; NO-LOAD-NEXT:      - Index:           2
; NO-LOAD-NEXT:        Name:            ret64
; NO-LOAD-NEXT: ...

; Verify that referencing a symbol that doesn't exist won't work
; RUN: not wasm-ld %t.start.o -o %t.wasm -u symboldoesnotexist 2>&1 | FileCheck -check-prefix=CHECK-UNDEFINED1 %s
; CHECK-UNDEFINED1: error: undefined symbol: symboldoesnotexist

; RUN: not wasm-ld %t.start.o -o %t.wasm --undefined symboldoesnotexist --allow-undefined 2>&1 | FileCheck -check-prefix=CHECK-UNDEFINED2 %s
; CHECK-UNDEFINED2: symbol forced with --undefined not found: symboldoesnotexist