| Chih-Hung Hsieh | 1e85958 | 2015-07-28 16:24:05 +0000 | [diff] [blame] | 1 | ; RUN: llc -O0 -mtriple=arm64-none-linux-gnu -relocation-model=pic \ |
| 2 | ; RUN: -verify-machineinstrs < %s | FileCheck -check-prefix=CHECK -check-prefix=NOEMU %s |
| 3 | ; RUN: llc -emulated-tls -O0 -mtriple=arm64-none-linux-gnu -relocation-model=pic \ |
| 4 | ; RUN: -verify-machineinstrs < %s | FileCheck -check-prefix=CHECK -check-prefix=EMU %s |
| Tim Northover | 00ed996 | 2014-03-29 10:18:08 +0000 | [diff] [blame] | 5 | |
| 6 | ; If the .tlsdesccall and blr parts are emitted completely separately (even with |
| 7 | ; glue) then LLVM will separate them quite happily (with a spill at O0, hence |
| 8 | ; the option). This is definitely wrong, so we make sure they are emitted |
| 9 | ; together. |
| 10 | |
| 11 | @general_dynamic_var = external thread_local global i32 |
| 12 | |
| 13 | define i32 @test_generaldynamic() { |
| 14 | ; CHECK-LABEL: test_generaldynamic: |
| 15 | |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %val = load i32, i32* @general_dynamic_var |
| Tim Northover | 00ed996 | 2014-03-29 10:18:08 +0000 | [diff] [blame] | 17 | ret i32 %val |
| 18 | |
| Chih-Hung Hsieh | 1e85958 | 2015-07-28 16:24:05 +0000 | [diff] [blame] | 19 | ; NOEMU: .tlsdesccall general_dynamic_var |
| 20 | ; NOEMU-NEXT: blr {{x[0-9]+}} |
| 21 | ; NOEMU-NOT: __emutls_v.general_dynamic_var: |
| 22 | |
| 23 | ; EMU: adrp{{.+}}__emutls_v.general_dynamic_var |
| 24 | ; EMU: bl __emutls_get_address |
| 25 | |
| 26 | ; EMU-NOT: __emutls_v.general_dynamic_var |
| 27 | ; EMU-NOT: __emutls_t.general_dynamic_var |
| Tim Northover | 00ed996 | 2014-03-29 10:18:08 +0000 | [diff] [blame] | 28 | } |
| Chih-Hung Hsieh | 1e85958 | 2015-07-28 16:24:05 +0000 | [diff] [blame] | 29 | |
| 30 | @emulated_init_var = thread_local global i32 37, align 8 |
| 31 | |
| 32 | define i32 @test_emulated_init() { |
| 33 | ; COMMON-LABEL: test_emulated_init: |
| 34 | |
| 35 | %val = load i32, i32* @emulated_init_var |
| 36 | ret i32 %val |
| 37 | |
| 38 | ; EMU: adrp{{.+}}__emutls_v.emulated_init_var |
| 39 | ; EMU: bl __emutls_get_address |
| 40 | |
| 41 | ; EMU-NOT: __emutls_v.general_dynamic_var: |
| 42 | |
| 43 | ; EMU: .align 3 |
| 44 | ; EMU-LABEL: __emutls_v.emulated_init_var: |
| 45 | ; EMU-NEXT: .xword 4 |
| 46 | ; EMU-NEXT: .xword 8 |
| 47 | ; EMU-NEXT: .xword 0 |
| 48 | ; EMU-NEXT: .xword __emutls_t.emulated_init_var |
| 49 | |
| 50 | ; EMU-LABEL: __emutls_t.emulated_init_var: |
| 51 | ; EMU-NEXT: .word 37 |
| 52 | } |
| 53 | |
| 54 | ; CHECK-NOT: __emutls_v.general_dynamic_var: |
| 55 | ; EMU-NOT: __emutls_t.general_dynamic_var |