46 lines · plain
1; Test that LTO objects build with TLS and threading support can be linked into2; a single threaded binary. Specifically the references to `__tls_base` that3; can be generated at LTO-time need to trigger the creation of the internal/fake4; `__tls_base` symbol in the linker.5 6; RUN: llvm-as %s -o %t1.o7; RUN: wasm-ld --export=tls_int --export=get_tls %t1.o -o %t8; RUN: obj2yaml %t | FileCheck %s9 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 9914 15define i32 @get_tls() #0 {16 %val = load i32, ptr @tls_int17 ret i32 %val18}19 20define void @_start() #0 {21 ret void22}23 24attributes #0 = { noinline nounwind optnone "target-features"="+atomics,+bulk-memory,+mutable-globals,+sign-ext" }25 26; CHECK: - Type: GLOBAL27; CHECK-NEXT: Globals:28; CHECK-NEXT: - Index: 029; CHECK-NEXT: Type: I3230; CHECK-NEXT: Mutable: true31; CHECK-NEXT: InitExpr:32; CHECK-NEXT: Opcode: I32_CONST33; CHECK-NEXT: Value: 6553634; CHECK-NEXT: - Index: 135; CHECK-NEXT: Type: I3236; CHECK-NEXT: Mutable: false37; CHECK-NEXT: InitExpr:38; CHECK-NEXT: Opcode: I32_CONST39; CHECK-NEXT: Value: 6553640 41; CHECK: GlobalNames:42; CHECK-NEXT: - Index: 043; CHECK-NEXT: Name: __stack_pointer44; CHECK-NEXT: - Index: 145; CHECK-NEXT: Name: __tls_base46