From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 18 Nov 2008 07:34:50 +0000 (+0000)
Subject: A simple test for stack protectors. This should be valid on all platforms.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c4ae87ac76936f5eb9db1fe56ec84e36f3b02516;p=oota-llvm.git

A simple test for stack protectors. This should be valid on all platforms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59505 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/Generic/stack-protector.ll b/test/CodeGen/Generic/stack-protector.ll
new file mode 100644
index 00000000000..a11a7149a36
--- /dev/null
+++ b/test/CodeGen/Generic/stack-protector.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -o - | grep {__stack_chk_guard}
+; RUN: llvm-as < %s | llc -o - | grep {__stack_chk_fail}
+
+@"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00"		; <[11 x i8]*> [#uses=1]
+
+define void @test(i8* %a) nounwind ssp {
+entry:
+	%a_addr = alloca i8*		; <i8**> [#uses=2]
+	%buf = alloca [8 x i8]		; <[8 x i8]*> [#uses=2]
+	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
+	store i8* %a, i8** %a_addr
+	%buf1 = bitcast [8 x i8]* %buf to i8*		; <i8*> [#uses=1]
+	%0 = load i8** %a_addr, align 4		; <i8*> [#uses=1]
+	%1 = call i8* @strcpy(i8* %buf1, i8* %0) nounwind		; <i8*> [#uses=0]
+	%buf2 = bitcast [8 x i8]* %buf to i8*		; <i8*> [#uses=1]
+	%2 = call i32 (i8*, ...)* @printf(i8* getelementptr ([11 x i8]* @"\01LC", i32 0, i32 0), i8* %buf2) nounwind		; <i32> [#uses=0]
+	br label %return
+
+return:		; preds = %entry
+	ret void
+}
+
+declare i8* @strcpy(i8*, i8*) nounwind
+
+declare i32 @printf(i8*, ...) nounwind