add a note, I'll take care of this after nate commits his big patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25873 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt
index 995de4d6f26a52fd1e91228ac27c157c46cccf75..fca027045555311ed88bdc2e9bae5cd211f49b44 100644 (file)
--- a/lib/Target/X86/README.txt
+++ b/lib/Target/X86/README.txt
@@ -299,3 +299,13 @@ turning 'select (load CPI1), (load CPI2)' -> 'load (select CPI1, CPI2)'
 
 The pattern isel got this one right.
 
+//===---------------------------------------------------------------------===//
+
+This shouldn't have an explicit ADD (target independent dag combiner hack):
+
+bool %X(int %X) {
+        %Y = add int %X, 14
+        %Z = setne int %Y, 12345
+        ret bool %Z
+}
+