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; Test that LTO objects build with TLS and threading support can be linked into
; a single threaded binary. Specifically the references to `__tls_base` that
; can be generated at LTO-time need to trigger the creation of the internal/fake
; `__tls_base` symbol in the linker.
; RUN: llvm-as %s -o %t1.o
; RUN: wasm-ld --export=tls_int --export=get_tls %t1.o -o %t
; RUN: obj2yaml %t | FileCheck %s
target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-f128:64-n32:64-S128-ni:1:10:20"
target triple = "wasm32-unknown-emscripten"
@tls_int = dso_local thread_local global i32 99
define i32 @get_tls() #0 {
%val = load i32, i32* @tls_int
ret i32 %val
}
define void @_start() #0 {
ret void
}
attributes #0 = { noinline nounwind optnone "target-features"="+atomics,+bulk-memory,+mutable-globals,+sign-ext" }
; CHECK: - 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: 66576
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1024
; CHECK: GlobalNames:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Name: __stack_pointer
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: __tls_base
|
