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