Implement target independent TLS compatible with glibc's emutls.c.

[oota-llvm.git] / test / CodeGen / AArch64 / arm64-tls-dynamic-together.ll

diff --git a/test/CodeGen/AArch64/arm64-tls-dynamic-together.ll b/test/CodeGen/AArch64/arm64-tls-dynamic-together.ll
index f94f88a1183fe21b19c6e7590c967b4510c6b219..c95eca062ff6aa1c8b98078b56fdb2e9c985fc50 100644 (file)
--- a/test/CodeGen/AArch64/arm64-tls-dynamic-together.ll
+++ b/test/CodeGen/AArch64/arm64-tls-dynamic-together.ll
@@ -1,4 +1,7 @@
-; RUN: llc -O0 -mtriple=arm64-none-linux-gnu -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -O0 -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 -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
@@ -13,6 +16,40 @@ define i32 @test_generaldynamic() {
   %val = load i32, i32* @general_dynamic_var
   ret i32 %val
 
-; CHECK: .tlsdesccall general_dynamic_var
-; CHECK-NEXT: blr {{x[0-9]+}}
+; 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:      .align 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