PR16493: DebugInfo with TLS on PPC crashing due to invalid relocation

Restrict the current TLS support to X86 ELF for now. Test that we don't
produce it on PPC & we can flesh that test case out with the right thing
once someone implements it.

llvm-svn: 185389

1 files changed, 22 insertions, 0 deletions

diff --git a/llvm/test/DebugInfo/PowerPC/tls.ll b/llvm/test/DebugInfo/PowerPC/tls.ll
new file mode 100644
index 00000000000..3e53896de94
--- /dev/null
+++ b/llvm/test/DebugInfo/PowerPC/tls.ll
@@ -0,0 +1,22 @@
+; RUN: llc -mtriple=powerpc-unknown-unknown -O0 -filetype=asm < %s | FileCheck %s
+
+; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
+; that here instead of raw assembly printing
+
+; CHECK: debug_info
+; CHECK-NOT: tls@DTPOFF
+
+@tls = thread_local global i32 7, align 4
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!7}
+
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/tls.cpp] [DW_LANG_C_plus_plus]
+!1 = metadata !{metadata !"tls.cpp", metadata !"/tmp"}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{i32 786484, i32 0, null, metadata !"tls", metadata !"tls", metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
+!5 = metadata !{i32 786473, metadata !1}          ; [ DW_TAG_file_type ] [/tmp/tls.cpp]
+!6 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
+!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
+