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| ; RUN: llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding < %s | FileCheck %s
; RUN: llc -mtriple=arm64-none-linux-gnu -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
; RUN: llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding -code-model=tiny < %s | FileCheck %s --check-prefix=CHECK-TINY
; RUN: llc -mtriple=arm64-none-linux-gnu -filetype=obj < %s -code-model=tiny | llvm-objdump -r - | FileCheck --check-prefix=CHECK-TINY-RELOC %s
; FIXME: We currently error for the large code model
; RUN: not llc -mtriple=arm64-none-linux-gnu -verify-machineinstrs -show-mc-encoding -code-model=large < %s 2>&1 | FileCheck %s --check-prefix=CHECK-LARGE
; CHECK-LARGE: ELF TLS only supported in small memory model
@initial_exec_var = external thread_local(initialexec) global i32
define i32 @test_initial_exec() {
; CHECK-LABEL: test_initial_exec:
%val = load i32, i32* @initial_exec_var
; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
; CHECK: ldr x[[TP_OFFSET:[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var]
; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0
; CHECK: ldr w0, [x[[TP]], x[[TP_OFFSET]]]
; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
; CHECK-TINY: ldr x[[TP_OFFSET:[0-9]+]], :gottprel:initial_exec_var
; CHECK-TINY: mrs x[[TP:[0-9]+]], TPIDR_EL0
; CHECK-TINY: ldr w0, [x[[TP]], x[[TP_OFFSET]]]
; CHECK-TINY-RELOC: R_AARCH64_TLSIE_LD_GOTTPREL_PREL19
ret i32 %val
}
define i32* @test_initial_exec_addr() {
; CHECK-LABEL: test_initial_exec_addr:
ret i32* @initial_exec_var
; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
; CHECK: ldr [[TP_OFFSET:x[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var]
; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0
; CHECK: add x0, [[TP]], [[TP_OFFSET]]
; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
; CHECK-TINY: ldr x[[TP_OFFSET:[0-9]+]], :gottprel:initial_exec_var
; CHECK-TINY: mrs [[TP:x[0-9]+]], TPIDR_EL0
; CHECK-TINY: add x0, [[TP]], x[[TP_OFFSET]]
; CHECK-TINY-RELOC: R_AARCH64_TLSIE_LD_GOTTPREL_PREL19
}
@local_exec_var = thread_local(localexec) global i32 0
define i32 @test_local_exec() {
; CHECK-LABEL: test_local_exec:
%val = load i32, i32* @local_exec_var
; CHECK: mrs x[[R1:[0-9]+]], TPIDR_EL0
; CHECK: add x[[R2:[0-9]+]], x[[R1]], :tprel_hi12:local_exec_var
; CHECK: add x[[R3:[0-9]+]], x[[R2]], :tprel_lo12_nc:local_exec_var
; CHECK: ldr w0, [x[[R3]]]
; CHECK-RELOC: R_AARCH64_TLSLE_ADD_TPREL_HI12
; CHECK-RELOC: R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
; CHECK-TINY: mrs x[[R1:[0-9]+]], TPIDR_EL0
; CHECK-TINY: add x[[R2:[0-9]+]], x[[R1]], :tprel_hi12:local_exec_var
; CHECK-TINY: add x[[R3:[0-9]+]], x[[R2]], :tprel_lo12_nc:local_exec_var
; CHECK-TINY: ldr w0, [x[[R3]]]
; CHECK-TINY-RELOC: R_AARCH64_TLSLE_ADD_TPREL_HI12
; CHECK-TINY-RELOC: R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
ret i32 %val
}
define i32* @test_local_exec_addr() {
; CHECK-LABEL: test_local_exec_addr:
ret i32* @local_exec_var
; CHECK: mrs x[[R1:[0-9]+]], TPIDR_EL0
; CHECK: add x[[R2:[0-9]+]], x[[R1]], :tprel_hi12:local_exec_var
; CHECK: add x0, x[[R2]], :tprel_lo12_nc:local_exec_var
; CHECK: ret
; CHECK-RELOC: R_AARCH64_TLSLE_ADD_TPREL_HI12
; CHECK-RELOC: R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
; CHECK-TINY: mrs x[[R1:[0-9]+]], TPIDR_EL0
; CHECK-TINY: add x[[R2:[0-9]+]], x[[R1]], :tprel_hi12:local_exec_var
; CHECK-TINY: add x0, x[[R2]], :tprel_lo12_nc:local_exec_var
; CHECK-TINY: ret
; CHECK-TINY-RELOC: R_AARCH64_TLSLE_ADD_TPREL_HI12
; CHECK-TINY-RELOC: R_AARCH64_TLSLE_ADD_TPREL_LO12_NC
}
|