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13e607925f
Emulated TLS is enabled by llc flag -emulated-tls, which is passed by clang driver. When llc is called explicitly or from other drivers like LTO, missing -emulated-tls flag would generate wrong TLS code for targets that supports only this mode. Now use useEmulatedTLS() instead of Options.EmulatedTLS to decide whether emulated TLS code should be generated. Unit tests are modified to run with and without the -emulated-tls flag. Differential Revision: https://reviews.llvm.org/D42999 llvm-svn: 326341
114 lines
3.8 KiB
LLVM
114 lines
3.8 KiB
LLVM
; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-android -relocation-model=pic \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-android -relocation-model=pic -O3 \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -emulated-tls -mtriple=aarch64-linux-android -O3 \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -emulated-tls -mtriple=aarch64-windows-gnu -O3 \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -emulated-tls -mtriple=aarch64-apple-darwin -O3 \
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; RUN: | FileCheck -check-prefix=DARWIN %s
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; RUN: llc < %s -mtriple=aarch64-linux-android -relocation-model=pic \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -mtriple=aarch64-linux-android -relocation-model=pic -O3 \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; RUN: llc < %s -mtriple=aarch64-linux-android -O3 \
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; RUN: | FileCheck -check-prefix=ARM_64 %s
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; aarch64-windows-gnu needs explicit -emulated-tls
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; RUN: llc < %s -mtriple=aarch64-apple-darwin -O3 \
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; RUN: | FileCheck -check-prefix=NoEMU %s
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; NoEMU-NOT: __emutls
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; Make sure that TLS symbols are emitted in expected order.
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@external_x = external thread_local global i32, align 8
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@external_y = thread_local global i8 7, align 2
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@internal_y = internal thread_local global i64 9, align 16
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define i32* @get_external_x() {
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entry:
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ret i32* @external_x
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}
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define i8* @get_external_y() {
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entry:
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ret i8* @external_y
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}
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define i64* @get_internal_y() {
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entry:
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ret i64* @internal_y
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}
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; ARM_64-LABEL: get_external_x:
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; ARM_64: __emutls_v.external_x
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; ARM_64: __emutls_get_address
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; ARM_64-LABEL: get_external_y:
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; ARM_64: __emutls_v.external_y
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; ARM_64: __emutls_get_address
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; ARM_64-LABEL: get_internal_y:
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; ARM_64: __emutls_v.internal_y
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; ARM_64: __emutls_get_address
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; ARM_64-NOT: __emutls_t.external_x
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; ARM_64-NOT: __emutls_v.external_x:
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; ARM_64: .data{{$}}
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; ARM_64: .globl __emutls_v.external_y
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; ARM_64: .p2align 3
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; ARM_64-LABEL: __emutls_v.external_y:
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; ARM_64-NEXT: .xword 1
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; ARM_64-NEXT: .xword 2
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; ARM_64-NEXT: .xword 0
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; ARM_64-NEXT: .xword __emutls_t.external_y
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; ARM_64-NOT: __emutls_v.external_x:
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; ARM_64: .section .r{{o?}}data,
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; ARM_64-LABEL: __emutls_t.external_y:
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; ARM_64-NEXT: .byte 7
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; ARM_64: .data{{$}}
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; ARM_64-NOT: .globl __emutls_v
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; ARM_64: .p2align 3
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; ARM_64-LABEL: __emutls_v.internal_y:
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; ARM_64-NEXT: .xword 8
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; ARM_64-NEXT: .xword 16
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; ARM_64-NEXT: .xword 0
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; ARM_64-NEXT: .xword __emutls_t.internal_y
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; ARM_64: .section .r{{o?}}data,
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; ARM_64-LABEL: __emutls_t.internal_y:
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; ARM_64-NEXT: .xword 9
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; DARWIN-LABEL: _get_external_x:
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; DARWIN: ___emutls_v.external_x
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; DARWIN: ___emutls_get_address
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; DARWIN-LABEL: _get_external_y:
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; DARWIN: ___emutls_v.external_y
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; DARWIN: ___emutls_get_address
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; DARWIN-LABEL: _get_internal_y:
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; DARWIN: ___emutls_v.internal_y
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; DARWIN: ___emutls_get_address
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; DARWIN-NOT: ___emutls_t.external_x
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; DARWIN-NOT: ___emutls_v.external_x:
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; DARWIN: .section __DATA,__data
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; DARWIN: .globl ___emutls_v.external_y
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; DARWIN: .p2align 3
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; DARWIN-LABEL: ___emutls_v.external_y:
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; DARWIN-NEXT: .quad 1
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; DARWIN-NEXT: .quad 2
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; DARWIN-NEXT: .quad 0
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; DARWIN-NEXT: .quad ___emutls_t.external_y
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; DARWIN-NOT: ___emutls_v.external_x:
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; DARWIN: .section __TEXT,__const
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; DARWIN-LABEL: ___emutls_t.external_y:
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; DARWIN-NEXT: .byte 7
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; DARWIN: .section __DATA,__data
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; DARWIN-NOT: .globl ___emutls_v
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; DARWIN: .p2align 3
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; DARWIN-LABEL: ___emutls_v.internal_y:
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; DARWIN-NEXT: .quad 8
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; DARWIN-NEXT: .quad 16
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; DARWIN-NEXT: .quad 0
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; DARWIN-NEXT: .quad ___emutls_t.internal_y
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; DARWIN: .section __TEXT,__const
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; DARWIN-LABEL: ___emutls_t.internal_y:
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; DARWIN-NEXT: .quad 9
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