| ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -verify-machineinstrs < %s | FileCheck %s |
| ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s |
| ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOLD %s |
| ; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-NOLD-RELOC %s |
| |
| @general_dynamic_var = external thread_local global i32 |
| |
| define i32 @test_generaldynamic() { |
| ; CHECK-LABEL: test_generaldynamic: |
| |
| %val = load i32, i32* @general_dynamic_var |
| ret i32 %val |
| |
| ; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var |
| ; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var] |
| ; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var |
| ; CHECK-NEXT: .tlsdesccall general_dynamic_var |
| ; CHECK-NEXT: blr [[CALLEE]] |
| |
| ; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var |
| ; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var] |
| ; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var |
| ; CHECK-NOLD-NEXT: .tlsdesccall general_dynamic_var |
| ; CHECK-NOLD-NEXT: blr [[CALLEE]] |
| |
| |
| ; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0 |
| ; CHECK: ldr w0, [x[[TP]], x0] |
| ; CHECK-NOLD: mrs x[[TP:[0-9]+]], TPIDR_EL0 |
| ; CHECK-NOLD: ldr w0, [x[[TP]], x0] |
| |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_CALL |
| |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL |
| |
| } |
| |
| define i32* @test_generaldynamic_addr() { |
| ; CHECK-LABEL: test_generaldynamic_addr: |
| |
| ret i32* @general_dynamic_var |
| |
| ; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var |
| ; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var] |
| ; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var |
| ; CHECK-NEXT: .tlsdesccall general_dynamic_var |
| ; CHECK-NEXT: blr [[CALLEE]] |
| |
| ; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0 |
| ; CHECK: add x0, [[TP]], x0 |
| |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_CALL |
| |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL |
| |
| } |
| |
| @local_dynamic_var = external thread_local(localdynamic) global i32 |
| |
| define i32 @test_localdynamic() { |
| ; CHECK-LABEL: test_localdynamic: |
| |
| %val = load i32, i32* @local_dynamic_var |
| ret i32 %val |
| |
| ; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_ |
| ; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_] |
| ; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_ |
| ; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_ |
| ; CHECK-NEXT: blr [[CALLEE]] |
| ; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var |
| ; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var |
| ; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0 |
| ; CHECK: ldr w0, [x[[TPIDR]], x[[TPOFF]]] |
| |
| ; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var |
| ; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var] |
| ; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var |
| ; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var |
| ; CHECK-NOLD-NEXT: blr [[CALLEE]] |
| ; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0 |
| ; CHECK-NOLD: ldr w0, [x[[TPIDR]], x0] |
| |
| |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_CALL |
| ; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12 |
| ; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC |
| |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL |
| |
| } |
| |
| define i32* @test_localdynamic_addr() { |
| ; CHECK-LABEL: test_localdynamic_addr: |
| |
| ; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_ |
| ; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_] |
| ; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_ |
| ; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_ |
| ; CHECK-NEXT: blr [[CALLEE]] |
| ; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var |
| ; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var |
| ; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0 |
| ; CHECK: add x0, x[[TPIDR]], x[[TPOFF]] |
| |
| ; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var |
| ; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var] |
| ; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var |
| ; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var |
| ; CHECK-NOLD-NEXT: blr [[CALLEE]] |
| ; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0 |
| ; CHECK-NOLD: add x0, x[[TPIDR]], x0 |
| ret i32* @local_dynamic_var |
| |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-RELOC: R_AARCH64_TLSDESC_CALL |
| ; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12 |
| ; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC |
| |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12 |
| ; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL |
| } |
| |
| ; The entire point of the local-dynamic access model is to have a single call to |
| ; the expensive resolver. Make sure we achieve that goal. |
| |
| @local_dynamic_var2 = external thread_local(localdynamic) global i32 |
| |
| define i32 @test_localdynamic_deduplicate() { |
| ; CHECK-LABEL: test_localdynamic_deduplicate: |
| |
| %val = load i32, i32* @local_dynamic_var |
| %val2 = load i32, i32* @local_dynamic_var2 |
| |
| %sum = add i32 %val, %val2 |
| ret i32 %sum |
| |
| ; CHECK: adrp x[[DTPREL_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_ |
| ; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[DTPREL_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_] |
| ; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE |
| ; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_ |
| ; CHECK-NEXT: blr [[CALLEE]] |
| |
| ; CHECK-NOT: _TLS_MODULE_BASE_ |
| |
| ; CHECK: ret |
| } |
