forked from OSchip/llvm-project
121 lines
4.7 KiB
LLVM
121 lines
4.7 KiB
LLVM
; RUN: llc -filetype=obj %s -o %t.o
|
|
; RUN: wasm-ld --entry=callWeakFuncs --print-gc-sections %t.o \
|
|
; RUN: -o %t.wasm 2>&1 | FileCheck -check-prefix=CHECK-GC %s
|
|
; RUN: obj2yaml %t.wasm | FileCheck %s
|
|
|
|
; Check that calling an undefined weak function generates an appropriate stub
|
|
; that will fail at runtime with "unreachable".
|
|
|
|
target triple = "wasm32-unknown-unknown"
|
|
|
|
declare extern_weak void @weakFunc1()
|
|
declare extern_weak void @weakFunc2() ; same signature
|
|
declare extern_weak void @weakFunc3(i32 %arg) ; different
|
|
declare extern_weak void @weakFunc4() ; should be GC'd as not called
|
|
|
|
; CHECK-GC: removing unused section {{.*}}:(weakFunc4)
|
|
|
|
define i32 @callWeakFuncs() {
|
|
call void @weakFunc1()
|
|
call void @weakFunc2()
|
|
call void @weakFunc3(i32 2)
|
|
%addr1 = ptrtoint void ()* @weakFunc1 to i32
|
|
%addr4 = ptrtoint void ()* @weakFunc4 to i32
|
|
%sum = add i32 %addr1, %addr4
|
|
ret i32 %sum
|
|
}
|
|
|
|
; 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: NORESULT
|
|
; CHECK-NEXT: ParamTypes:
|
|
; CHECK-NEXT: - I32
|
|
; CHECK-NEXT: - Index: 2
|
|
; CHECK-NEXT: ReturnType: I32
|
|
; CHECK-NEXT: ParamTypes:
|
|
; CHECK-NEXT: - Type: FUNCTION
|
|
; CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 1, 2 ]
|
|
; CHECK-NEXT: - Type: TABLE
|
|
; CHECK-NEXT: Tables:
|
|
; CHECK-NEXT: - ElemType: ANYFUNC
|
|
; CHECK-NEXT: Limits:
|
|
; CHECK-NEXT: Flags: [ HAS_MAX ]
|
|
; CHECK-NEXT: Initial: 0x00000001
|
|
; CHECK-NEXT: Maximum: 0x00000001
|
|
; CHECK-NEXT: - Type: MEMORY
|
|
; CHECK-NEXT: Memories:
|
|
; CHECK-NEXT: - Initial: 0x00000002
|
|
; CHECK-NEXT: - Type: GLOBAL
|
|
; CHECK-NEXT: Globals:
|
|
; CHECK-NEXT: - Index: 0
|
|
; CHECK-NEXT: Type: I32
|
|
; CHECK-NEXT: Mutable: true
|
|
; CHECK-NEXT: InitExpr:
|
|
; CHECK-NEXT: Opcode: I32_CONST
|
|
; CHECK-NEXT: Value: 66560
|
|
; CHECK-NEXT: - Index: 1
|
|
; CHECK-NEXT: Type: I32
|
|
; CHECK-NEXT: Mutable: false
|
|
; CHECK-NEXT: InitExpr:
|
|
; CHECK-NEXT: Opcode: I32_CONST
|
|
; CHECK-NEXT: Value: 66560
|
|
; CHECK-NEXT: - Index: 2
|
|
; CHECK-NEXT: Type: I32
|
|
; CHECK-NEXT: Mutable: false
|
|
; CHECK-NEXT: InitExpr:
|
|
; CHECK-NEXT: Opcode: I32_CONST
|
|
; CHECK-NEXT: Value: 1024
|
|
; CHECK-NEXT: - Type: EXPORT
|
|
; CHECK-NEXT: Exports:
|
|
; CHECK-NEXT: - Name: memory
|
|
; CHECK-NEXT: Kind: MEMORY
|
|
; CHECK-NEXT: Index: 0
|
|
; CHECK-NEXT: - Name: __heap_base
|
|
; CHECK-NEXT: Kind: GLOBAL
|
|
; CHECK-NEXT: Index: 1
|
|
; CHECK-NEXT: - Name: __data_end
|
|
; CHECK-NEXT: Kind: GLOBAL
|
|
; CHECK-NEXT: Index: 2
|
|
; CHECK-NEXT: - Name: callWeakFuncs
|
|
; CHECK-NEXT: Kind: FUNCTION
|
|
; CHECK-NEXT: Index: 4
|
|
; CHECK-NEXT: - Type: CODE
|
|
; CHECK-NEXT: Functions:
|
|
; CHECK-NEXT: - Index: 0
|
|
; CHECK-NEXT: Locals:
|
|
; CHECK-NEXT: Body: 0B
|
|
; CHECK-NEXT: - Index: 1
|
|
; CHECK-NEXT: Locals:
|
|
; CHECK-NEXT: Body: 000B
|
|
; CHECK-NEXT: - Index: 2
|
|
; CHECK-NEXT: Locals:
|
|
; CHECK-NEXT: Body: 000B
|
|
; CHECK-NEXT: - Index: 3
|
|
; CHECK-NEXT: Locals:
|
|
; CHECK-NEXT: Body: 000B
|
|
; CHECK-NEXT: - Index: 4
|
|
; CHECK-NEXT: Locals:
|
|
; CHECK-NEXT: Body: 10818080800010828080800041021083808080004180808080004180808080006A0B
|
|
; CHECK-NEXT: - Type: CUSTOM
|
|
; CHECK-NEXT: Name: name
|
|
; CHECK-NEXT: FunctionNames:
|
|
; CHECK-NEXT: - Index: 0
|
|
; CHECK-NEXT: Name: __wasm_call_ctors
|
|
; CHECK-NEXT: - Index: 1
|
|
; CHECK-NEXT: Name: undefined function weakFunc1
|
|
; CHECK-NEXT: - Index: 2
|
|
; CHECK-NEXT: Name: undefined function weakFunc2
|
|
; CHECK-NEXT: - Index: 3
|
|
; CHECK-NEXT: Name: undefined function weakFunc3
|
|
; CHECK-NEXT: - Index: 4
|
|
; CHECK-NEXT: Name: callWeakFuncs
|
|
; CHECK-NEXT: ...
|