Add support for rematerialization in pre-alloc-splitting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59587 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/pre-split2.ll b/test/CodeGen/X86/pre-split2.ll
index 57903fd..1d69aa8 100644
--- a/test/CodeGen/X86/pre-split2.ll
+++ b/test/CodeGen/X86/pre-split2.ll
@@ -1,5 +1,5 @@
 ; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -pre-alloc-split -stats |& \
-; RUN:   not grep {pre-alloc-split}
+; RUN:   grep {pre-alloc-split} | count 2
 
 define i32 @t() {
 entry: