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Diffstat (limited to 'test/CodeGen/X86/indirect-hidden.ll')
-rw-r--r-- | test/CodeGen/X86/indirect-hidden.ll | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/X86/indirect-hidden.ll b/test/CodeGen/X86/indirect-hidden.ll new file mode 100644 index 0000000..309375d --- /dev/null +++ b/test/CodeGen/X86/indirect-hidden.ll @@ -0,0 +1,43 @@ +; RUN: llc -mtriple=i686-apple-macosx -o - %s | FileCheck %s + +; x86 doesn't normally use indirect symbols, particularly hidden ones, but it +; can be tricked into it for exception-handling typeids. + +@hidden_typeid = external hidden constant i8* +@normal_typeid = external constant i8* + +declare void @throws() + +define void @get_indirect_hidden() { + invoke void @throws() to label %end unwind label %lpad +lpad: + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) + catch i8* bitcast (i8** @hidden_typeid to i8*) + br label %end + +end: + ret void +} + +define void @get_indirect() { + invoke void @throws() to label %end unwind label %lpad +lpad: + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) + catch i8* bitcast (i8** @normal_typeid to i8*) + br label %end + +end: + ret void +} + +declare i32 @__gxx_personality_v0(...) + +; CHECK: .section __IMPORT,__pointers,non_lazy_symbol_pointers + +; CHECK-NOT: __DATA,__data +; CHECK: .indirect_symbol _normal_typeid +; CHECK-NEXT: .long 0 + +; CHECK-NOT: __DATA,__data +; CHECK: .indirect_symbol _hidden_typeid +; CHECK-NEXT: .long 0 |