1 files changed, 74 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/tlsdesc-dynamic.ll b/llvm/test/CodeGen/X86/tlsdesc-dynamic.ll
new file mode 100644
index 000000000000..8f855a5efc54
--- /dev/null
+++ b/llvm/test/CodeGen/X86/tlsdesc-dynamic.ll
@@ -0,0 +1,74 @@
+; RUN: llc -mtriple=x86_64-linux-gnu -relocation-model=pic -enable-tlsdesc %s -o - | FileCheck %s --check-prefixes=GD
+; RUN: llc -mtriple=x86_64-linux-gnu -relocation-model=pic -enable-tlsdesc -filetype=obj < %s | llvm-objdump -r - | FileCheck --check-prefixes=GD-RELOC %s
+
+@general_dynamic_var = external thread_local global i32
+
+define i32 @test_generaldynamic() {
+  %val = load i32, ptr @general_dynamic_var
+  ret i32 %val
+;      GD: test_generaldynamic:
+;      GD: leaq general_dynamic_var@tlsdesc(%rip), [[REG:%.*]]
+; GD-NEXT: callq *general_dynamic_var@tlscall([[REG]])
+; GD-NEXT: movl %fs:([[REG]]),
+
+; GD-RELOC: R_X86_64_GOTPC32_TLSDESC general_dynamic_var
+; GD-RELOC: R_X86_64_TLSDESC_CALL general_dynamic_var
+}
+
+define ptr @test_generaldynamic_addr() {
+  ret ptr @general_dynamic_var
+;      GD: test_generaldynamic_addr:
+;      GD: leaq general_dynamic_var@tlsdesc(%rip), [[REG:%.*]]
+; GD-NEXT: callq *general_dynamic_var@tlscall([[REG]])
+; GD-NEXT: addq %fs:0, %rax
+
+; GD-RELOC: R_X86_64_GOTPC32_TLSDESC general_dynamic_var
+; GD-RELOC: R_X86_64_TLSDESC_CALL general_dynamic_var
+}
+
+@local_dynamic_var = external thread_local(localdynamic) global i32
+
+define i32 @test_localdynamic() {
+  %val = load i32, ptr @local_dynamic_var
+  ret i32 %val
+;      GD: test_localdynamic:
+;      GD: leaq _TLS_MODULE_BASE_@tlsdesc(%rip), [[REG:%.*]]
+; GD-NEXT: callq *_TLS_MODULE_BASE_@tlscall([[REG]])
+; GD-NEXT: movl  %fs:local_dynamic_var@DTPOFF(%rax), %eax
+
+; GD-RELOC: R_X86_64_GOTPC32_TLSDESC _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_TLSDESC_CALL _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_DTPOFF32 local_dynamic_var
+}
+
+define ptr @test_localdynamic_addr() {
+  ret ptr @local_dynamic_var
+;      GD: test_localdynamic_addr:
+;      GD: leaq _TLS_MODULE_BASE_@tlsdesc(%rip), [[REG:%.*]]
+; GD-NEXT: callq *_TLS_MODULE_BASE_@tlscall([[REG]])
+; GD-NEXT: movq %fs:0, %rcx
+; GD-NEXT: leaq local_dynamic_var@DTPOFF(%rcx,[[REG]])
+
+; GD-RELOC: R_X86_64_GOTPC32_TLSDESC _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_TLSDESC_CALL _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_DTPOFF32 local_dynamic_var
+}
+
+@local_dynamic_var2 = external thread_local(localdynamic) global i32
+
+define i32 @test_localdynamic_deduplicate() {
+  %val = load i32, ptr @local_dynamic_var
+  %val2 = load i32, ptr @local_dynamic_var2
+  %sum = add i32 %val, %val2
+  ret i32 %sum
+;      GD: test_localdynamic_deduplicate:
+;      GD: leaq _TLS_MODULE_BASE_@tlsdesc(%rip), [[REG:%.*]]
+; GD-NEXT: callq *_TLS_MODULE_BASE_@tlscall([[REG]])
+; GD-NEXT: movl  %fs:local_dynamic_var@DTPOFF(%rax)
+; GD-NEXT: addl  %fs:local_dynamic_var2@DTPOFF(%rax)
+
+; GD-RELOC: R_X86_64_GOTPC32_TLSDESC _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_TLSDESC_CALL _TLS_MODULE_BASE_
+; GD-RELOC: R_X86_64_DTPOFF32 local_dynamic_var2
+}
+