1 files changed, 93 insertions, 0 deletions
diff --git a/test/wasm/weak-symbols.ll b/test/wasm/weak-symbols.ll
new file mode 100644
index 000000000000..c282d005623f
--- /dev/null
+++ b/test/wasm/weak-symbols.ll
@@ -0,0 +1,93 @@
+; RUN: llc -filetype=obj -mtriple=wasm32-unknown-uknown-wasm %p/Inputs/weak-symbol1.ll -o %t1.o
+; RUN: llc -filetype=obj -mtriple=wasm32-unknown-uknown-wasm %p/Inputs/weak-symbol2.ll -o %t2.o
+; RUN: llc -filetype=obj -mtriple=wasm32-unknown-uknown-wasm %s -o %t.o
+; RUN: lld -flavor wasm -o %t.wasm %t.o %t1.o %t2.o
+; RUN: obj2yaml %t.wasm | FileCheck %s
+
+declare i32 @weakFn() local_unnamed_addr
+
+define void @_start() local_unnamed_addr {
+entry:
+  %call = call i32 @weakFn()
+  ret void
+}
+
+; CHECK:      --- !WASM
+; CHECK-NEXT: FileHeader:
+; CHECK-NEXT:   Version:         0x00000001
+; CHECK-NEXT: Sections:
+; CHECK-NEXT:   - Type:            TYPE
+; CHECK-NEXT:     Signatures:
+; CHECK-NEXT:       - Index:           0
+; CHECK-NEXT:         ReturnType:      NORESULT
+; CHECK-NEXT:         ParamTypes:
+; CHECK-NEXT:       - Index:           1
+; CHECK-NEXT:         ReturnType:      I32
+; CHECK-NEXT:         ParamTypes:
+; CHECK-NEXT:   - Type:            FUNCTION
+; CHECK-NEXT:     FunctionTypes:   [ 0, 1, 1, 1, 1 ]
+; CHECK-NEXT:   - Type:            TABLE
+; CHECK-NEXT:     Tables:
+; CHECK-NEXT:       - ElemType:        ANYFUNC
+; CHECK-NEXT:         Limits:
+; CHECK-NEXT:           Flags:           [ HAS_MAX ]
+; CHECK-NEXT:           Initial:         0x00000002
+; CHECK-NEXT:           Maximum:         0x00000002
+; CHECK-NEXT:   - Type:            MEMORY
+; CHECK-NEXT:     Memories:
+; CHECK-NEXT:       - Initial:         0x00000002
+; CHECK-NEXT:   - Type:            GLOBAL
+; CHECK-NEXT:     Globals:
+; CHECK-NEXT:       - Type:            I32
+; CHECK-NEXT:         Mutable:         true
+; CHECK-NEXT:         InitExpr:
+; CHECK-NEXT:           Opcode:          I32_CONST
+; CHECK-NEXT:           Value:           66560
+; CHECK-NEXT:   - Type:            EXPORT
+; CHECK-NEXT:     Exports:
+; CHECK-NEXT:       - Name:            memory
+; CHECK-NEXT:         Kind:            MEMORY
+; CHECK-NEXT:         Index:           0
+; CHECK-NEXT:       - Name:            _start
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           0
+; CHECK-NEXT:       - Name:            weakFn
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           1
+; CHECK-NEXT:       - Name:            exportWeak1
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           2
+; CHECK-NEXT:       - Name:            exportWeak2
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           4
+; CHECK-NEXT:   - Type:            ELEM
+; CHECK-NEXT:     Segments:
+; CHECK-NEXT:       - Offset:
+; CHECK-NEXT:           Opcode:          I32_CONST
+; CHECK-NEXT:           Value:           1
+; CHECK-NEXT:         Functions:       [ 1 ]
+; CHECK-NEXT:   - Type:            CODE
+; CHECK-NEXT:     Functions:
+; CHECK-NEXT:       - Locals:
+; CHECK-NEXT:         Body:            1081808080001A0B
+; CHECK-NEXT:       - Locals:
+; CHECK-NEXT:         Body:            41010B
+; CHECK-NEXT:       - Locals:
+; CHECK-NEXT:         Body:            4181808080000B
+; CHECK-NEXT:       - Locals:
+; CHECK-NEXT:         Body:            41020B
+; CHECK-NEXT:       - Locals:
+; CHECK-NEXT:         Body:            4181808080000B
+; CHECK-NEXT:   - Type:            CUSTOM
+; CHECK-NEXT:     Name:            linking
+; CHECK-NEXT:     DataSize:        0
+; CHECK-NEXT:   - Type:            CUSTOM
+; CHECK-NEXT:     Name:            name
+; CHECK-NEXT:     FunctionNames:
+; CHECK-NEXT:       - Index:           0
+; CHECK-NEXT:         Name:            _start
+; CHECK-NEXT:       - Index:           2
+; CHECK-NEXT:         Name:            exportWeak1
+; CHECK-NEXT:       - Index:           4
+; CHECK-NEXT:         Name:            exportWeak2
+; CHECK-NEXT: ...