Add a -regalloc=default option that chooses a register allocator based on the -O
optimization level.
This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fast-isel-bc.ll b/test/CodeGen/X86/fast-isel-bc.ll
index f2696ce..8d7dc8f 100644
--- a/test/CodeGen/X86/fast-isel-bc.ll
+++ b/test/CodeGen/X86/fast-isel-bc.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -O0 -march=x86-64 -mattr=+mmx | FileCheck %s
+; RUN: llc < %s -O0 -regalloc=linearscan -march=x86-64 -mattr=+mmx | FileCheck %s
; PR4684
target datalayout =