[PATCH] [X86] Use single add/sub for large stack offsets

[Anton Korobeynikov]

LGTM after the fix of the test.


================
Comment at: test/CodeGen/X86/huge-stack-offset.ll:15
@@ +14,3 @@
+
+; CHECK=32-LABEL: foo:
+; CHECK-32:      movl    $50000000{{..}}, %eax
----------------
Typo? Should be CHECK-32-LABEL as I can see.

http://reviews.llvm.org/D7226

EMAIL PREFERENCES
  http://reviews.llvm.org/settings/panel/emailpreferences/