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64 lines
2.1 KiB
LLVM
64 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=aarch64-none-linux-gnu -verify-machineinstrs -show-mc-encoding < %s | FileCheck %s
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; RUN: llc -mtriple=aarch64-none-linux-gnu -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefix=CHECK-RELOC %s
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@initial_exec_var = external thread_local(initialexec) global i32
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define i32 @test_initial_exec() {
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; CHECK-LABEL: test_initial_exec:
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%val = load i32* @initial_exec_var
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; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
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; CHECK: ldr x[[TP_OFFSET:[0-9]+]], [x[[GOTADDR]], #:gottprel_lo12:initial_exec_var]
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; CHECK: mrs x[[TP:[0-9]+]], tpidr_el0
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; CHECK: ldr w0, [x[[TP]], x[[TP_OFFSET]]]
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; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
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ret i32 %val
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}
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define i32* @test_initial_exec_addr() {
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; CHECK-LABEL: test_initial_exec_addr:
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ret i32* @initial_exec_var
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; CHECK: adrp x[[GOTADDR:[0-9]+]], :gottprel:initial_exec_var
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; CHECK: ldr [[TP_OFFSET:x[0-9]+]], [x[[GOTADDR]], #:gottprel_lo12:initial_exec_var]
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; CHECK: mrs [[TP:x[0-9]+]], tpidr_el0
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; CHECK: add x0, [[TP]], [[TP_OFFSET]]
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; CHECK-RELOC: R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21
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; CHECK-RELOC: R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC
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}
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@local_exec_var = thread_local(initialexec) global i32 0
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define i32 @test_local_exec() {
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; CHECK-LABEL: test_local_exec:
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%val = load i32* @local_exec_var
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; CHECK: movz [[TP_OFFSET:x[0-9]+]], #:tprel_g1:local_exec_var // encoding: [A,A,0xa0'A',0x92'A']
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; CHECK: movk [[TP_OFFSET]], #:tprel_g0_nc:local_exec_var
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; CHECK: mrs x[[TP:[0-9]+]], tpidr_el0
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; CHECK: ldr w0, [x[[TP]], [[TP_OFFSET]]]
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; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G1
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; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G0_NC
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ret i32 %val
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}
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define i32* @test_local_exec_addr() {
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; CHECK-LABEL: test_local_exec_addr:
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ret i32* @local_exec_var
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; CHECK: movz [[TP_OFFSET:x[0-9]+]], #:tprel_g1:local_exec_var
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; CHECK: movk [[TP_OFFSET]], #:tprel_g0_nc:local_exec_var
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; CHECK: mrs [[TP:x[0-9]+]], tpidr_el0
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; CHECK: add x0, [[TP]], [[TP_OFFSET]]
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; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G1
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; CHECK-RELOC: R_AARCH64_TLSLE_MOVW_TPREL_G0_NC
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}
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