| Tim Northover | 00ed996 | 2014-03-29 10:18:08 +0000 | [diff] [blame] | 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 | |
| 4 | @initial_exec_var = external thread_local(initialexec) global i32 |
| 5 | |
| 6 | define i32 @test_initial_exec() { |
| 7 | ; CHECK-LABEL: test_initial_exec: |
| 8 | %val = load i32* @initial_exec_var |
| 9 | |
| 10 | ; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var |
| 11 | ; CHECK: ldr x[[TP_OFFSET:[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var] |
| 12 | ; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0 |
| 13 | ; CHECK: ldr w0, [x[[TP]], x[[TP_OFFSET]]] |
| 14 | |
| 15 | ; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 |
| 16 | ; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC |
| 17 | |
| 18 | ret i32 %val |
| 19 | } |
| 20 | |
| 21 | define i32* @test_initial_exec_addr() { |
| 22 | ; CHECK-LABEL: test_initial_exec_addr: |
| 23 | ret i32* @initial_exec_var |
| 24 | |
| 25 | ; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var |
| 26 | ; CHECK: ldr [[TP_OFFSET:x[0-9]+]], [x[[GOTADDR]], :gottprel_lo12:initial_exec_var] |
| 27 | ; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0 |
| 28 | ; CHECK: add x0, [[TP]], [[TP_OFFSET]] |
| 29 | |
| 30 | ; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 |
| 31 | ; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC |
| 32 | |
| 33 | } |
| 34 | |
| 35 | @local_exec_var = thread_local(localexec) global i32 0 |
| 36 | |
| 37 | define i32 @test_local_exec() { |
| 38 | ; CHECK-LABEL: test_local_exec: |
| 39 | %val = load i32* @local_exec_var |
| 40 | |
| 41 | ; CHECK: movz [[TP_OFFSET:x[0-9]+]], #:tprel_g1:local_exec_var // encoding: [0bAAA{{[01]+}},A,0b101AAAAA,0x92] |
| 42 | ; CHECK: movk [[TP_OFFSET]], #:tprel_g0_nc:local_exec_var |
| 43 | ; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0 |
| 44 | ; CHECK: ldr w0, [x[[TP]], [[TP_OFFSET]]] |
| 45 | |
| 46 | ; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G1 |
| 47 | ; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G0_NC |
| 48 | |
| 49 | ret i32 %val |
| 50 | } |
| 51 | |
| 52 | define i32* @test_local_exec_addr() { |
| 53 | ; CHECK-LABEL: test_local_exec_addr: |
| 54 | ret i32* @local_exec_var |
| 55 | |
| 56 | ; CHECK: movz [[TP_OFFSET:x[0-9]+]], #:tprel_g1:local_exec_var |
| 57 | ; CHECK: movk [[TP_OFFSET]], #:tprel_g0_nc:local_exec_var |
| 58 | ; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0 |
| 59 | ; CHECK: add x0, [[TP]], [[TP_OFFSET]] |
| 60 | |
| 61 | ; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G1 |
| 62 | ; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G0_NC |
| 63 | } |