1*afa23ea0SFabian Ritter; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 2*afa23ea0SFabian Ritter; RUN: llc -mtriple=x86_64 -verify-machineinstrs -relocation-model=pic < %s | FileCheck %s 3*afa23ea0SFabian Ritter 4*afa23ea0SFabian Ritter; Passing a pointer to thread-local storage to a function can be problematic 5*afa23ea0SFabian Ritter; since computing such addresses requires a function call that is introduced 6*afa23ea0SFabian Ritter; very late in instruction selection. We need to ensure that we don't introduce 7*afa23ea0SFabian Ritter; nested call sequence markers if this function call happens in a call sequence. 8*afa23ea0SFabian Ritter 9*afa23ea0SFabian Ritter@TLS = internal thread_local global i64 zeroinitializer, align 8 10*afa23ea0SFabian Ritterdeclare void @bar(ptr) 11*afa23ea0SFabian Ritterdefine internal void @foo() { 12*afa23ea0SFabian Ritter; CHECK-LABEL: foo: 13*afa23ea0SFabian Ritter; CHECK: # %bb.0: 14*afa23ea0SFabian Ritter; CHECK-NEXT: pushq %rbx 15*afa23ea0SFabian Ritter; CHECK-NEXT: .cfi_def_cfa_offset 16 16*afa23ea0SFabian Ritter; CHECK-NEXT: .cfi_offset %rbx, -16 17*afa23ea0SFabian Ritter; CHECK-NEXT: leaq TLS@TLSLD(%rip), %rdi 18*afa23ea0SFabian Ritter; CHECK-NEXT: callq __tls_get_addr@PLT 19*afa23ea0SFabian Ritter; CHECK-NEXT: leaq TLS@DTPOFF(%rax), %rbx 20*afa23ea0SFabian Ritter; CHECK-NEXT: movq %rbx, %rdi 21*afa23ea0SFabian Ritter; CHECK-NEXT: callq bar@PLT 22*afa23ea0SFabian Ritter; CHECK-NEXT: movq %rbx, %rdi 23*afa23ea0SFabian Ritter; CHECK-NEXT: callq bar@PLT 24*afa23ea0SFabian Ritter; CHECK-NEXT: popq %rbx 25*afa23ea0SFabian Ritter; CHECK-NEXT: .cfi_def_cfa_offset 8 26*afa23ea0SFabian Ritter; CHECK-NEXT: retq 27*afa23ea0SFabian Ritter call void @bar(ptr @TLS) 28*afa23ea0SFabian Ritter call void @bar(ptr @TLS) 29*afa23ea0SFabian Ritter ret void 30*afa23ea0SFabian Ritter} 31