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-rw-r--r--test/Transforms/SafeStack/no-attr.ll25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/SafeStack/no-attr.ll b/test/Transforms/SafeStack/no-attr.ll
new file mode 100644
index 000000000000..ca3c21ab01bb
--- /dev/null
+++ b/test/Transforms/SafeStack/no-attr.ll
@@ -0,0 +1,25 @@
+; 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
+
+; no safestack attribute
+; Requires no protector.
+
+; CHECK: @foo
+define void @foo(i8* %a) nounwind uwtable {
+entry:
+ ; CHECK-NOT: __safestack_unsafe_stack_ptr
+ %a.addr = alloca i8*, align 8
+ %buf = alloca [16 x i8], align 16
+ store i8* %a, i8** %a.addr, align 8
+ %arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
+ %0 = load i8*, i8** %a.addr, align 8
+ %call = call i8* @strcpy(i8* %arraydecay, i8* %0)
+ %arraydecay1 = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
+ %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
+ ret void
+}
+
+declare i8* @strcpy(i8*, i8*)
+declare i32 @printf(i8*, ...)