Don't run RAFast in the optimizing regalloc pipeline.

The fast register allocator is not supposed to work in the optimizing
pipeline. It doesn't make sense to compute live intervals, run full copy
coalescing, and then run RAFast.

Fast register allocation in the optimizing pipeline is better done by
RABasic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158242 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/pr11415.ll b/test/CodeGen/X86/pr11415.ll
index e1fa032..6c32a22 100644
--- a/test/CodeGen/X86/pr11415.ll
+++ b/test/CodeGen/X86/pr11415.ll
@@ -1,4 +1,4 @@
-; RUN: llc -mtriple=x86_64-pc-linux %s -o - -regalloc=fast | FileCheck %s
+; RUN: llc -mtriple=x86_64-pc-linux %s -o - -regalloc=fast -optimize-regalloc=0 | FileCheck %s
 
 ; We used to consider the early clobber in the second asm statement as
 ; defining %0 before it was read. This caused us to omit the