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