1 files changed, 24 insertions, 0 deletions
diff --git a/test/Transforms/SafeStack/escape-casted-pointer.ll b/test/Transforms/SafeStack/escape-casted-pointer.ll
new file mode 100644
index 000000000000..bf6ce1d6b2a3
--- /dev/null
+++ b/test/Transforms/SafeStack/escape-casted-pointer.ll
@@ -0,0 +1,24 @@
+; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
+; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
+
+@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
+
+; Addr-of a casted pointer
+;  safestack attribute
+; Requires protector.
+define void @foo() nounwind uwtable safestack {
+entry:
+  ; CHECK: __safestack_unsafe_stack_ptr
+  %a = alloca i32*, align 8
+  %b = alloca float**, align 8
+  %call = call i32* @getp()
+  store i32* %call, i32** %a, align 8
+  %0 = bitcast i32** %a to float**
+  store float** %0, float*** %b, align 8
+  %1 = load float**, float*** %b, align 8
+  call void @funfloat2(float** %1)
+  ret void
+}
+
+declare void @funfloat2(float**)
+declare i32* @getp()