Sam Clegg 65d6380cd6 [WebAssembly] Allow signautre of entry function to be flexible
Since we a no longer using this function for the wasm start
section we don't actually care what its signature is.

Differential Revision: https://reviews.llvm.org/D46594

llvm-svn: 332308
2018-05-14 23:01:16 +00:00

51 lines
1.9 KiB
LLVM

; RUN: llc -filetype=obj %s -o %t.o
target triple = "wasm32-unknown-unknown"
define hidden void @entry() local_unnamed_addr #0 {
entry:
ret void
}
; RUN: wasm-ld -e entry -o %t1.wasm %t.o
; RUN: obj2yaml %t1.wasm | FileCheck %s
; RUN: wasm-ld --entry=entry -o %t2.wasm %t.o
; RUN: obj2yaml %t2.wasm | FileCheck %s
; CHECK: - 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: entry
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: Index: 1
; CHECK-NEXT: - Type:
; The __wasm_call_ctors is somewhat special since its created by the linker.
; Make sure we can use it as the entry point if we choose
; RUN: wasm-ld --entry=__wasm_call_ctors -o %t3.wasm %t.o
; RUN: obj2yaml %t3.wasm | FileCheck %s -check-prefix=CHECK-CTOR
; CHECK-CTOR: - Type: EXPORT
; CHECK-CTOR-NEXT: Exports:
; CHECK-CTOR-NEXT: - Name: memory
; CHECK-CTOR-NEXT: Kind: MEMORY
; CHECK-CTOR-NEXT: Index: 0
; CHECK-CTOR-NEXT: - Name: __wasm_call_ctors
; CHECK-CTOR-NEXT: Kind: FUNCTION
; CHECK-CTOR-NEXT: Index: 0
; CHECK-CTOR-NEXT: - Name: __heap_base
; CHECK-CTOR-NEXT: Kind: GLOBAL
; CHECK-CTOR-NEXT: Index: 1
; CHECK-CTOR-NEXT: - Name: __data_end
; CHECK-CTOR-NEXT: Kind: GLOBAL
; CHECK-CTOR-NEXT: Index: 2
; CHECK-CTOR-NEXT: - Type: