1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/inline-asm-stack-realign2.ll b/llvm/test/CodeGen/X86/inline-asm-stack-realign2.ll
new file mode 100644
index 00000000000..2f042e84c5a
--- /dev/null
+++ b/llvm/test/CodeGen/X86/inline-asm-stack-realign2.ll
@@ -0,0 +1,15 @@
+; RUN: not llc -mtriple=i686-pc-win32 < %s 2>&1 | FileCheck %s
+
+; We don't currently support realigning the stack and adjusting the stack
+; pointer in inline asm.  This can even happen in GNU asm.
+
+; CHECK: Stack realignment in presence of dynamic stack adjustments is not supported with inline assembly
+
+define i32 @foo() {
+entry:
+  %r = alloca i32, align 16
+  store i32 -1, i32* %r, align 16
+  call void asm sideeffect "push %esi\0A\09xor %esi, %esi\0A\09mov %esi, $0\0A\09pop %esi", "=*m,~{flags},~{esi},~{esp},~{dirflag},~{fpsr},~{flags}"(i32* %r)
+  %0 = load i32* %r, align 16
+  ret i32 %0
+}