1; RUN: llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding < %s | FileCheck %s
2; RUN: llc -mtriple=arm64-none-linux-gnu -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
3; RUN: llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding -code-model=tiny < %s | FileCheck %s --check-prefix=CHECK-TINY
4; RUN: llc -mtriple=arm64-none-linux-gnu -filetype=obj < %s -code-model=tiny | llvm-objdump -r - | FileCheck --check-prefix=CHECK-TINY-RELOC %s
5; FIXME: We currently error for the large code model
6; RUN: not --crash llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding -code-model=large < %s 2>&1 | FileCheck %s --check-prefix=CHECK-LARGE
7
8; CHECK-LARGE: ELF TLS only supported in small memory model
9
10@initial_exec_var = external thread_local(initialexec) global i32
11
12define i32 @test_initial_exec() {
13; CHECK-LABEL: test_initial_exec:
14  %val = load i32, i32* @initial_exec_var
15
16; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
17; CHECK: ldr x[[TP_OFFSET:[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var]
18; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0
19; CHECK: ldr w0, [x[[TP]], x[[TP_OFFSET]]]
20
21; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
22; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
23
24; CHECK-TINY: ldr x[[TP_OFFSET:[0-9]+]], :gottprel:initial_exec_var
25; CHECK-TINY: mrs x[[TP:[0-9]+]], TPIDR_EL0
26; CHECK-TINY: ldr w0, [x[[TP]], x[[TP_OFFSET]]]
27
28; CHECK-TINY-RELOC: R_AARCH64_TLSIE_LD_GOTTPREL_PREL19
29
30  ret i32 %val
31}
32
33define i32* @test_initial_exec_addr() {
34; CHECK-LABEL: test_initial_exec_addr:
35  ret i32* @initial_exec_var
36
37; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
38; CHECK: ldr [[TP_OFFSET:x[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var]
39; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0
40; CHECK: add x0, [[TP]], [[TP_OFFSET]]
41
42; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
43; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
44
45; CHECK-TINY: ldr x[[TP_OFFSET:[0-9]+]], :gottprel:initial_exec_var
46; CHECK-TINY: mrs [[TP:x[0-9]+]], TPIDR_EL0
47; CHECK-TINY: add x0, [[TP]], x[[TP_OFFSET]]
48
49; CHECK-TINY-RELOC: R_AARCH64_TLSIE_LD_GOTTPREL_PREL19
50
51}
52