1; Test that LTO objects build with TLS and threading support can be linked into 2; a single threaded binary. Specifically the references to `__tls_base` that 3; can be generated at LTO-time need to trigger the creation of the internal/fake 4; `__tls_base` symbol in the linker. 5 6; RUN: llvm-as %s -o %t1.o 7; RUN: wasm-ld --export=tls_int --export=get_tls %t1.o -o %t 8; RUN: obj2yaml %t | FileCheck %s 9 10target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-f128:64-n32:64-S128-ni:1:10:20" 11target triple = "wasm32-unknown-emscripten" 12 13@tls_int = dso_local thread_local global i32 99 14 15define i32 @get_tls() #0 { 16 %val = load i32, ptr @tls_int 17 ret i32 %val 18} 19 20define void @_start() #0 { 21 ret void 22} 23 24attributes #0 = { noinline nounwind optnone "target-features"="+atomics,+bulk-memory,+mutable-globals,+sign-ext" } 25 26; CHECK: - Type: GLOBAL 27; CHECK-NEXT: Globals: 28; CHECK-NEXT: - Index: 0 29; CHECK-NEXT: Type: I32 30; CHECK-NEXT: Mutable: true 31; CHECK-NEXT: InitExpr: 32; CHECK-NEXT: Opcode: I32_CONST 33; CHECK-NEXT: Value: 66576 34; CHECK-NEXT: - Index: 1 35; CHECK-NEXT: Type: I32 36; CHECK-NEXT: Mutable: false 37; CHECK-NEXT: InitExpr: 38; CHECK-NEXT: Opcode: I32_CONST 39; CHECK-NEXT: Value: 1024 40 41; CHECK: GlobalNames: 42; CHECK-NEXT: - Index: 0 43; CHECK-NEXT: Name: __stack_pointer 44; CHECK-NEXT: - Index: 1 45; CHECK-NEXT: Name: __tls_base 46