diff options
Diffstat (limited to 'test/CodeGen/X86/code-model-elf.ll')
| -rw-r--r-- | test/CodeGen/X86/code-model-elf.ll | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/CodeGen/X86/code-model-elf.ll b/test/CodeGen/X86/code-model-elf.ll index 56d3f4c102f0..f7ffd6ea1eb7 100644 --- a/test/CodeGen/X86/code-model-elf.ll +++ b/test/CodeGen/X86/code-model-elf.ll @@ -37,6 +37,8 @@ target triple = "x86_64--linux" @global_data = dso_local global [10 x i32] [i32 1, i32 2, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0], align 16 @static_data = internal global [10 x i32] zeroinitializer, align 16 @extern_data = external global [10 x i32], align 16 +@thread_data = external thread_local global i32, align 4 + define dso_local i32* @lea_static_data() #0 { ; SMALL-STATIC-LABEL: lea_static_data: @@ -373,6 +375,70 @@ define dso_local void ()* @lea_extern_fn() #0 { ret void ()* @extern_fn } +; FIXME: The result is same for small, medium and large model, because we +; specify pie option in the test case. And the type of tls is initial exec tls. +; For pic code. The large model code for pic tls should be emitted as below. + +; .L3: +; leaq .L3(%rip), %rbx +; movabsq $_GLOBAL_OFFSET_TABLE_-.L3, %r11 +; addq %r11, %rbx +; leaq thread_data@TLSGD(%rip), %rdi +; movabsq $__tls_get_addr@PLTOFF, %rax +; addq %rbx, %rax +; call *%rax +; movl (%rax), %eax + +; The medium and small model code for pic tls should be emitted as below. +; data16 +; leaq thread_data@TLSGD(%rip), %rdi +; data16 +; data16 +; rex64 +; callq __tls_get_addr@PLT +; movl (%rax), %eax + +define dso_local i32 @load_thread_data() #0 { +; SMALL-STATIC-LABEL: load_thread_data: +; SMALL-STATIC: # %bb.0: +; SMALL-STATIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; SMALL-STATIC-NEXT: movl %fs:(%rax), %eax +; SMALL-STATIC-NEXT: retq +; +; MEDIUM-STATIC-LABEL: load_thread_data: +; MEDIUM-STATIC: # %bb.0: +; MEDIUM-STATIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; MEDIUM-STATIC-NEXT: movl %fs:(%rax), %eax +; MEDIUM-STATIC-NEXT: retq +; +; LARGE-STATIC-LABEL: load_thread_data: +; LARGE-STATIC: # %bb.0: +; LARGE-STATIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; LARGE-STATIC-NEXT: movl %fs:(%rax), %eax +; LARGE-STATIC-NEXT: retq +; +; SMALL-PIC-LABEL: load_thread_data: +; SMALL-PIC: # %bb.0: +; SMALL-PIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; SMALL-PIC-NEXT: movl %fs:(%rax), %eax +; SMALL-PIC-NEXT: retq +; +; MEDIUM-PIC-LABEL: load_thread_data: +; MEDIUM-PIC: # %bb.0: +; MEDIUM-PIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; MEDIUM-PIC-NEXT: movl %fs:(%rax), %eax +; MEDIUM-PIC-NEXT: retq +; +; LARGE-PIC-LABEL: load_thread_data: +; LARGE-PIC: # %bb.0: +; LARGE-PIC-NEXT: movq thread_data@GOTTPOFF(%rip), %rax +; LARGE-PIC-NEXT: movl %fs:(%rax), %eax +; LARGE-PIC-NEXT: retq +; + %1 = load i32, i32* @thread_data, align 4 + ret i32 %1 +} + attributes #0 = { noinline nounwind uwtable } !llvm.module.flags = !{!0, !1, !2} |