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-rw-r--r--test/CodeGen/Generic/GC/redundant_init.ll17
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/Generic/GC/redundant_init.ll b/test/CodeGen/Generic/GC/redundant_init.ll
new file mode 100644
index 000000000000..44996034748b
--- /dev/null
+++ b/test/CodeGen/Generic/GC/redundant_init.ll
@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | llc -march=x86 | \
+; RUN: ignore grep {movl..0} | count 0
+
+%struct.obj = type { i8*, %struct.obj* }
+
+declare void @g() gc "shadow-stack"
+
+define void @f(i8* %o) gc "shadow-stack" {
+entry:
+ %root = alloca i8*
+ call void @llvm.gcroot(i8** %root, i8* null)
+ store i8* %o, i8** %root
+ call void @g()
+ ret void
+}
+
+declare void @llvm.gcroot(i8**, i8*)