PR1348 test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36457 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/2007-04-24-Huge-Stack.ll b/test/CodeGen/X86/2007-04-24-Huge-Stack.ll
new file mode 100644 (file)
index 0000000..74e6e72
--- /dev/null
+++ b/test/CodeGen/X86/2007-04-24-Huge-Stack.ll
@@ -0,0 +1,19 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | not grep 4294967112
+; PR1348
+
+       %struct.md5_ctx = type { i32, i32, i32, i32, [2 x i32], i32, [128 x i8], [4294967288 x i8] }
+
+define i8* @md5_buffer(i8* %buffer, i64 %len, i8* %resblock) {
+entry:
+       %ctx = alloca %struct.md5_ctx, align 16         ; <%struct.md5_ctx*> [#uses=3]
+       call void @md5_init_ctx( %struct.md5_ctx* %ctx )
+       call void @md5_process_bytes( i8* %buffer, i64 %len, %struct.md5_ctx* %ctx )
+       %tmp4 = call i8* @md5_finish_ctx( %struct.md5_ctx* %ctx, i8* %resblock )                ; <i8*> [#uses=1]
+       ret i8* %tmp4
+}
+
+declare void @md5_init_ctx(%struct.md5_ctx*)
+
+declare i8* @md5_finish_ctx(%struct.md5_ctx*, i8*)
+
+declare void @md5_process_bytes(i8*, i64, %struct.md5_ctx*)