Rebased PNaCl localmods in LLVM to 223109

test/Transforms/NaCl/expand-ctors-zeroinit.ll

Index: test/Transforms/NaCl/expand-ctors-zeroinit.ll
diff --git a/test/Transforms/NaCl/expand-ctors-zeroinit.ll b/test/Transforms/NaCl/expand-ctors-zeroinit.ll
new file mode 100644
index 0000000000000000000000000000000000000000..824b2b23b72d455f575aa88849630e153bad9603
--- /dev/null
+++ b/test/Transforms/NaCl/expand-ctors-zeroinit.ll
@@ -0,0 +1,17 @@
+; Currently we do not define __{init,fini}_array_end as named aliases.
+; RUN: opt < %s -nacl-expand-ctors -S | FileCheck %s -check-prefix=NO_CTORS
+; NO_CTORS-NOT: __init_array_end
+; NO_CTORS-NOT: __fini_array_end
+
+; We expect this symbol to be removed:
+; RUN: opt < %s -nacl-expand-ctors -S | not grep llvm.global_ctors
+
+; RUN: opt < %s -nacl-expand-ctors -S | FileCheck %s
+
+; If llvm.global_ctors is zeroinitializer, it should be treated the
+; same as an empty array.
+
+@llvm.global_ctors = appending global [0 x { i32, void ()* }] zeroinitializer
+
+; CHECK: @__init_array_start = internal constant [0 x void ()*] zeroinitializer
+; CHECK: @__fini_array_start = internal constant [0 x void ()*] zeroinitializer