1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 2; RUN: llc -mtriple=x86_64 -verify-machineinstrs -relocation-model=pic < %s | FileCheck %s 3 4; Passing a pointer to thread-local storage to a function can be problematic 5; since computing such addresses requires a function call that is introduced 6; very late in instruction selection. We need to ensure that we don't introduce 7; nested call sequence markers if this function call happens in a call sequence. 8 9@TLS = internal thread_local global i64 zeroinitializer, align 8 10declare void @bar(ptr) 11define internal void @foo() { 12; CHECK-LABEL: foo: 13; CHECK: # %bb.0: 14; CHECK-NEXT: pushq %rbx 15; CHECK-NEXT: .cfi_def_cfa_offset 16 16; CHECK-NEXT: .cfi_offset %rbx, -16 17; CHECK-NEXT: leaq TLS@TLSLD(%rip), %rdi 18; CHECK-NEXT: callq __tls_get_addr@PLT 19; CHECK-NEXT: leaq TLS@DTPOFF(%rax), %rbx 20; CHECK-NEXT: movq %rbx, %rdi 21; CHECK-NEXT: callq bar@PLT 22; CHECK-NEXT: movq %rbx, %rdi 23; CHECK-NEXT: callq bar@PLT 24; CHECK-NEXT: popq %rbx 25; CHECK-NEXT: .cfi_def_cfa_offset 8 26; CHECK-NEXT: retq 27 call void @bar(ptr @TLS) 28 call void @bar(ptr @TLS) 29 ret void 30} 31