[llvm-commits] [llvm] r59505 - /llvm/trunk/test/CodeGen/Generic/stack-protector.ll

[Bill Wendling]

Author: void
Date: Tue Nov 18 01:34:50 2008
New Revision: 59505

URL: http://llvm.org/viewvc/llvm-project?rev=59505&view=rev
Log:
A simple test for stack protectors. This should be valid on all platforms.

Added:
    llvm/trunk/test/CodeGen/Generic/stack-protector.ll

Added: llvm/trunk/test/CodeGen/Generic/stack-protector.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Generic/stack-protector.ll?rev=59505&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/Generic/stack-protector.ll (added)
+++ llvm/trunk/test/CodeGen/Generic/stack-protector.ll Tue Nov 18 01:34:50 2008
@@ -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