[Sparc] Add support for TLS in sparc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191164 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 73 insertions, 0 deletions

diff --git a/test/CodeGen/SPARC/tls.ll b/test/CodeGen/SPARC/tls.ll
new file mode 100644
index 0000000..660ddff
--- /dev/null
+++ b/test/CodeGen/SPARC/tls.ll
@@ -0,0 +1,73 @@
+; RUN: llc <%s -march=sparc   -relocation-model=static | FileCheck %s --check-prefix=v8abs
+; RUN: llc <%s -march=sparcv9 -relocation-model=static | FileCheck %s --check-prefix=v9abs
+; RUN: llc <%s -march=sparc   -relocation-model=pic    | FileCheck %s --check-prefix=pic
+; RUN: llc <%s -march=sparcv9 -relocation-model=pic    | FileCheck %s --check-prefix=pic
+
+
+@local_symbol = internal thread_local global i32 0
+@extern_symbol = external thread_local global i32
+
+; v8abs-LABEL:  test_tls_local
+; v8abs:        sethi  %tle_hix22(local_symbol), [[R0:%[goli][0-7]]]
+; v8abs:        xor    [[R0]], %tle_lox10(local_symbol), [[R1:%[goli][0-7]]]
+; v8abs:        ld     [%g7+[[R1]]]
+
+; v9abs-LABEL:  test_tls_local
+; v9abs:        sethi  %tle_hix22(local_symbol), [[R0:%[goli][0-7]]]
+; v9abs:        xor    [[R0]], %tle_lox10(local_symbol), [[R1:%[goli][0-7]]]
+; v9abs:        ld     [%g7+[[R1]]]
+
+; pic-LABEL:  test_tls_local
+; pic:        or     {{%[goli][0-7]}}, %lo(_GLOBAL_OFFSET_TABLE_+{{.+}}), [[PC:%[goli][0-7]]]
+; pic:        add    [[PC]], %o7, [[GOTBASE:%[goli][0-7]]]
+; pic-DAG:    sethi  %tldm_hi22(local_symbol), [[R0:%[goli][0-7]]]
+; pic-DAG:    add    [[R0]], %tldm_lo10(local_symbol), [[R1:%[goli][0-7]]]
+; pic-DAG:    add    [[GOTBASE]], [[R1]], %o0, %tldm_add(local_symbol)
+; pic-DAG:    call   __tls_get_addr, %tldm_call(local_symbol)
+; pic-DAG:    sethi  %tldo_hix22(local_symbol), [[R2:%[goli][0-7]]]
+; pic-DAG:    xor    [[R2]], %tldo_lox10(local_symbol), [[R3:%[goli][0-7]]]
+; pic:        add    %o0, [[R3]], {{.+}}, %tldo_add(local_symbol)
+
+define i32 @test_tls_local() {
+entry:
+  %0 = load i32* @local_symbol, align 4
+  %1 = add i32 %0, 1
+  store i32 %1, i32* @local_symbol, align 4
+  ret i32 %1
+}
+
+
+; v8abs-LABEL:  test_tls_extern
+; v8abs:        or     {{%[goli][0-7]}}, %lo(_GLOBAL_OFFSET_TABLE_+{{.+}}), [[PC:%[goli][0-7]]]
+; v8abs:        add    [[PC]], %o7, %[[GOTBASE:[goli][0-7]]]
+; v8abs:        sethi  %tie_hi22(extern_symbol), [[R1:%[goli][0-7]]]
+; v8abs:        add    [[R1]], %tie_lo10(extern_symbol), %[[R2:[goli][0-7]]]
+; v8abs:        ld     [%[[GOTBASE]]+%[[R2]]], [[R3:%[goli][0-7]]], %tie_ld(extern_symbol)
+; v8abs:        add    %g7, [[R3]], %[[R4:[goli][0-7]]], %tie_add(extern_symbol)
+; v8abs:        ld     [%[[R4]]]
+
+; v9abs-LABEL:  test_tls_extern
+; v9abs:        or     {{%[goli][0-7]}}, %lo(_GLOBAL_OFFSET_TABLE_+{{.+}}), [[PC:%[goli][0-7]]]
+; v9abs:        add    [[PC]], %o7, %[[GOTBASE:[goli][0-7]]]
+; v9abs:        sethi  %tie_hi22(extern_symbol), [[R1:%[goli][0-7]]]
+; v9abs:        add    [[R1]], %tie_lo10(extern_symbol), %[[R2:[goli][0-7]]]
+; v9abs:        ldx    [%[[GOTBASE]]+%[[R2]]], [[R3:%[goli][0-7]]], %tie_ldx(extern_symbol)
+; v9abs:        add    %g7, [[R3]], %[[R4:[goli][0-7]]], %tie_add(extern_symbol)
+; v9abs:        ld     [%[[R4]]]
+
+; pic-LABEL:  test_tls_extern
+; pic:        or     {{%[goli][0-7]}}, %lo(_GLOBAL_OFFSET_TABLE_+{{.+}}), [[PC:%[goli][0-7]]]
+; pic:        add    [[PC]], %o7, [[GOTBASE:%[goli][0-7]]]
+; pic:        sethi  %tgd_hi22(extern_symbol), [[R0:%[goli][0-7]]]
+; pic:        add    [[R0]], %tgd_lo10(extern_symbol), [[R1:%[goli][0-7]]]
+; pic:        add    [[GOTBASE]], [[R1]], %o0, %tgd_add(extern_symbol)
+; pic:        call   __tls_get_addr, %tgd_call(extern_symbol)
+; pic-NEXT:   nop
+
+define i32 @test_tls_extern() {
+entry:
+  %0 = load i32* @extern_symbol, align 4
+  %1 = add i32 %0, 1
+  store i32 %1, i32* @extern_symbol, align 4
+  ret i32 %1
+}