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

44 lines
1.2 KiB
LLVM

; RUN: llc %s -o %t.o -filetype=obj
; RUN: llvm-as %S/Inputs/used.ll -o %t1.o
; RUN: wasm-ld %t.o %t1.o -o %t.wasm
; RUN: obj2yaml %t.wasm | FileCheck %s
; Verify that symbols references from regular objects are preserved by LTO
target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
declare void @bar()
@foo = external global i32
define void @_start() {
%val = load i32, i32* @foo, align 4
%tobool = icmp ne i32 %val, 0
br i1 %tobool, label %callbar, label %return
callbar:
call void @bar()
br label %return
return:
ret void
}
; CHECK: - Type: DATA
; CHECK-NEXT: Segments:
; CHECK-NEXT: - SectionOffset: 7
; CHECK-NEXT: InitFlags: 0
; CHECK-NEXT: Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1024
; CHECK-NEXT: Content: '01000000'
; CHECK: - Type: CUSTOM
; CHECK-NEXT: Name: name
; CHECK-NEXT: FunctionNames:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Name: _start
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: bar