llvm-project/lld/test/wasm/lto/undef.ll

37 lines
1.1 KiB
LLVM

; RUN: llvm-as %s -o %t.o
; RUN: wasm-ld %t.o -o %t.wasm --allow-undefined
; RUN: obj2yaml %t.wasm | FileCheck %s
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
declare i32 @bar()
; Symbols such as foo which are only called indirectly are handled slightly
; differently with resepect to signature checking.
declare i32 @foo()
@ptr = global i8* bitcast (i32 ()* @foo to i8*), align 8
; Ensure access to ptr is not inlined below, even under LTO
@llvm.used = appending global [1 x i8**] [i8** @ptr], section "llvm.metadata"
define void @_start() {
call i32 @bar()
%addr = load i32 ()*, i32 ()** bitcast (i8** @ptr to i32 ()**), align 8
call i32 %addr()
ret void
}
; CHECK: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: bar
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: SigIndex: 0
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: foo
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: SigIndex: 0