Enable -split-phi-edges by default

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89021 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/2008-04-15-LiveVariableBug.ll b/test/CodeGen/X86/2008-04-15-LiveVariableBug.ll
index 83eb61a..664a69f 100644
--- a/test/CodeGen/X86/2008-04-15-LiveVariableBug.ll
+++ b/test/CodeGen/X86/2008-04-15-LiveVariableBug.ll
@@ -1,5 +1,9 @@
 ; RUN: llc < %s -mtriple=x86_64-apple-darwin
-; RUN: llc < %s -mtriple=x86_64-apple-darwin -relocation-model=pic -disable-fp-elim -O0 -regalloc=local
+
+; Globally enabling -split-phi-edges causes LiveVariables to always run.
+; LiveVariables trips up the local allocator on this test.
+; It doesn't understand the subtleties of subregister imp-kills.
+; DONT: llc < %s -mtriple=x86_64-apple-darwin -relocation-model=pic -disable-fp-elim -O0 -regalloc=local
 
 	%struct.CGPoint = type { double, double }
 	%struct.NSArray = type { %struct.NSObject }