Rebased PNaCl localmods in LLVM to 223109

test/NaCl/PNaClABI/abi-externals-whitelist.ll

Index: test/NaCl/PNaClABI/abi-externals-whitelist.ll
diff --git a/test/NaCl/PNaClABI/abi-externals-whitelist.ll b/test/NaCl/PNaClABI/abi-externals-whitelist.ll
new file mode 100644
index 0000000000000000000000000000000000000000..bdb95968041160baf33d9f9aff917b696b27da9f
--- /dev/null
+++ b/test/NaCl/PNaClABI/abi-externals-whitelist.ll
@@ -0,0 +1,28 @@
+; RUN: not pnacl-abicheck < %s | FileCheck %s
+
+; Make sure that external symbols are properly rejected or accepted
+
+
+@global_var = global [4 x i8] c"abcd"
+; CHECK: global_var is not a valid external symbol (disallowed)
+
+
+define void @foo() {
+  ret void
+}
+; CHECK: foo is not a valid external symbol (disallowed)
+
+define external void @main() {
+  ret void
+}
+; CHECK: main is not a valid external symbol (disallowed)
+
+define external void @_start() {
+  ret void
+}
+; _start is whitelisted
+; CHECK-NOT: disallowed
+
+; Intrinsics can be external too
+declare void @llvm.trap()
+