56 lines
1.7 KiB
LLVM
56 lines
1.7 KiB
LLVM
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; RUN: llc -O0 -fast-isel -mtriple=arm64-none-linux-gnu -relocation-model=pic \
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; RUN: -verify-machineinstrs < %s | FileCheck -check-prefix=CHECK -check-prefix=NOEMU %s
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; RUN: llc -emulated-tls -O0 -fast-isel -mtriple=arm64-none-linux-gnu -relocation-model=pic \
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; RUN: -verify-machineinstrs < %s | FileCheck -check-prefix=CHECK -check-prefix=EMU %s
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; If the .tlsdesccall and blr parts are emitted completely separately (even with
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; glue) then LLVM will separate them quite happily (with a spill at O0, hence
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; the option). This is definitely wrong, so we make sure they are emitted
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; together.
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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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; NOEMU: .tlsdesccall general_dynamic_var
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; NOEMU-NEXT: blr {{x[0-9]+}}
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; NOEMU-NOT: __emutls_v.general_dynamic_var:
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; EMU: adrp{{.+}}__emutls_v.general_dynamic_var
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; EMU: bl __emutls_get_address
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; EMU-NOT: __emutls_v.general_dynamic_var
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; EMU-NOT: __emutls_t.general_dynamic_var
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}
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@emulated_init_var = thread_local global i32 37, align 8
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define i32 @test_emulated_init() {
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; COMMON-LABEL: test_emulated_init:
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%val = load i32, i32* @emulated_init_var
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ret i32 %val
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; EMU: adrp{{.+}}__emutls_v.emulated_init_var
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; EMU: bl __emutls_get_address
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; EMU-NOT: __emutls_v.general_dynamic_var:
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; EMU: .p2align 3
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; EMU-LABEL: __emutls_v.emulated_init_var:
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; EMU-NEXT: .xword 4
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; EMU-NEXT: .xword 8
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; EMU-NEXT: .xword 0
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; EMU-NEXT: .xword __emutls_t.emulated_init_var
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; EMU-LABEL: __emutls_t.emulated_init_var:
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; EMU-NEXT: .word 37
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}
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; CHECK-NOT: __emutls_v.general_dynamic_var:
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; EMU-NOT: __emutls_t.general_dynamic_var
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