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e67d8322ba
This reverts commit rGfaff707db82d. A failure found on an ARM 2-stage buildbot. The investigation is needed.
180 lines
7.3 KiB
LLVM
180 lines
7.3 KiB
LLVM
; Verify the call site info. If the call site info is not
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; in the valid state, an assert should be triggered.
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; RUN: llc < %s -debug-entry-values -mtriple=arm64-none-linux-gnu -stop-after=machineverifier -relocation-model=pic -aarch64-elf-ldtls-generation=1 < %s
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; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -verify-machineinstrs < %s | FileCheck %s
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; 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
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; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -verify-machineinstrs < %s | FileCheck --check-prefix=CHECK-NOLD %s
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; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-NOLD-RELOC %s
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; FIXME: We currently produce "small" code for the tiny model
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; RUN: llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -code-model=tiny -verify-machineinstrs < %s | FileCheck %s
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; FIXME: We currently error for the large code model
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; RUN: not --crash llc -mtriple=arm64-none-linux-gnu -relocation-model=pic -aarch64-elf-ldtls-generation=1 -code-model=large -verify-machineinstrs < %s 2>&1 | FileCheck %s --check-prefix=CHECK-LARGE
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; CHECK-LARGE: ELF TLS only supported in small memory model
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@general_dynamic_var = external thread_local global i32
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define i32 @test_generaldynamic() {
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; CHECK-LABEL: test_generaldynamic:
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%val = load i32, i32* @general_dynamic_var
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ret i32 %val
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
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; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
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; CHECK-NEXT: .tlsdesccall general_dynamic_var
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
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; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
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; CHECK-NOLD-NEXT: .tlsdesccall general_dynamic_var
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; CHECK-NOLD-NEXT: blr [[CALLEE]]
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; CHECK: mrs x[[TP:[0-9]+]], TPIDR_EL0
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; CHECK: ldr w0, [x[[TP]], x0]
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; CHECK-NOLD: mrs x[[TP:[0-9]+]], TPIDR_EL0
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; CHECK-NOLD: ldr w0, [x[[TP]], x0]
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
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}
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define i32* @test_generaldynamic_addr() {
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; CHECK-LABEL: test_generaldynamic_addr:
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ret i32* @general_dynamic_var
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:general_dynamic_var
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; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var]
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; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:general_dynamic_var
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; CHECK-NEXT: .tlsdesccall general_dynamic_var
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK: mrs [[TP:x[0-9]+]], TPIDR_EL0
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; CHECK: add x0, [[TP]], x0
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
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}
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@local_dynamic_var = external thread_local(localdynamic) global i32
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define i32 @test_localdynamic() {
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; CHECK-LABEL: test_localdynamic:
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%val = load i32, i32* @local_dynamic_var
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ret i32 %val
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
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; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var
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; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var
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; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
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; CHECK: ldr w0, [x[[TPIDR]], x[[TPOFF]]]
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; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var
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; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var]
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; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var
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; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var
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; CHECK-NOLD-NEXT: blr [[CALLEE]]
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; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
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; CHECK-NOLD: ldr w0, [x[[TPIDR]], x0]
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12
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; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
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}
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define i32* @test_localdynamic_addr() {
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; CHECK-LABEL: test_localdynamic_addr:
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; CHECK: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_
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; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK-NEXT: add x[[TPOFF:[0-9]+]], x0, :dtprel_hi12:local_dynamic_var
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; CHECK-NEXT: add x[[TPOFF]], x[[TPOFF]], :dtprel_lo12_nc:local_dynamic_var
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; CHECK: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
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; CHECK: add x0, x[[TPIDR]], x[[TPOFF]]
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; CHECK-NOLD: adrp x[[TLSDESC_HI:[0-9]+]], :tlsdesc:local_dynamic_var
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; CHECK-NOLD-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var]
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; CHECK-NOLD-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:local_dynamic_var
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; CHECK-NOLD-NEXT: .tlsdesccall local_dynamic_var
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; CHECK-NOLD-NEXT: blr [[CALLEE]]
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; CHECK-NOLD: mrs x[[TPIDR:[0-9]+]], TPIDR_EL0
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; CHECK-NOLD: add x0, x[[TPIDR]], x0
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ret i32* @local_dynamic_var
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-RELOC: R_AARCH64_TLSDESC_CALL
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; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_HI12
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; CHECK-RELOC: R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADR_PAGE21
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_LD64_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_ADD_LO12
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; CHECK-NOLD-RELOC: R_AARCH64_TLSDESC_CALL
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}
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; The entire point of the local-dynamic access model is to have a single call to
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; the expensive resolver. Make sure we achieve that goal.
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@local_dynamic_var2 = external thread_local(localdynamic) global i32
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define i32 @test_localdynamic_deduplicate() {
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; CHECK-LABEL: test_localdynamic_deduplicate:
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%val = load i32, i32* @local_dynamic_var
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%val2 = load i32, i32* @local_dynamic_var2
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%sum = add i32 %val, %val2
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ret i32 %sum
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; CHECK: adrp x[[DTPREL_HI:[0-9]+]], :tlsdesc:_TLS_MODULE_BASE_
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; CHECK-NEXT: ldr [[CALLEE:x[0-9]+]], [x[[DTPREL_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE_]
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; CHECK-NEXT: add x0, x[[TLSDESC_HI]], :tlsdesc_lo12:_TLS_MODULE_BASE
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; CHECK-NEXT: .tlsdesccall _TLS_MODULE_BASE_
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; CHECK-NEXT: blr [[CALLEE]]
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; CHECK-NOT: _TLS_MODULE_BASE_
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; CHECK: ret
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}
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