diff --git a/llvm/test/CodeGen/X86/dllexport.ll b/llvm/test/CodeGen/X86/dllexport.ll
new file mode 100644
index 000000000000..2c699bfb0db4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/dllexport.ll
@@ -0,0 +1,12 @@
+; RUN: llc < %s | FileCheck %s
+; PR2936
+
+target triple = "i386-mingw32"
+
+define dllexport x86_fastcallcc i32 @foo() nounwind  {
+entry:
+	ret i32 0
+}
+
+; CHECK: .section .drectve
+; CHECK: -export:@foo@0
\ No newline at end of file
diff --git a/llvm/test/CodeGen/X86/stdcall.ll b/llvm/test/CodeGen/X86/stdcall.ll
new file mode 100644
index 000000000000..70204bcf4745
--- /dev/null
+++ b/llvm/test/CodeGen/X86/stdcall.ll
@@ -0,0 +1,16 @@
+; RUN: llc < %s | FileCheck %s
+; PR5851
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:128:128-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32"
+target triple = "i386-mingw32"
+
+%0 = type { void (...)* }
+
+@B = global %0 { void (...)* bitcast (void ()* @MyFunc to void (...)*) }, align 4
+; CHECK: _B:
+; CHECK: .long _MyFunc@0
+
+define internal x86_stdcallcc void @MyFunc() nounwind {
+entry:
+  ret void
+}