diff --git a/test/CodeGen/ARM/2008-02-04-LocalRegAllocBug.ll b/test/CodeGen/ARM/2008-02-04-LocalRegAllocBug.ll
index fd2f462..3754db0 100644
--- a/test/CodeGen/ARM/2008-02-04-LocalRegAllocBug.ll
+++ b/test/CodeGen/ARM/2008-02-04-LocalRegAllocBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=arm-linux-gnueabi -regalloc=fast
+; RUN: llc < %s -mtriple=arm-linux-gnueabi -regalloc=fast -optimize-regalloc=0
 ; PR1925
 
 	%struct.encode_aux_nearestmatch = type { i32*, i32*, i32*, i32*, i32, i32 }
diff --git a/test/CodeGen/ARM/2008-02-29-RegAllocLocal.ll b/test/CodeGen/ARM/2008-02-29-RegAllocLocal.ll
index 44da8e7..5fbed0d 100644
--- a/test/CodeGen/ARM/2008-02-29-RegAllocLocal.ll
+++ b/test/CodeGen/ARM/2008-02-29-RegAllocLocal.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=arm-apple-darwin -regalloc=fast
+; RUN: llc < %s -mtriple=arm-apple-darwin -regalloc=fast -optimize-regalloc=0
 ; PR1925
 
 	%"struct.kc::impl_Ccode_option" = type { %"struct.kc::impl_abstract_phylum" }
diff --git a/test/CodeGen/ARM/2010-05-17-FastAllocCrash.ll b/test/CodeGen/ARM/2010-05-17-FastAllocCrash.ll
index 813bf3c..7d4cc6e 100644
--- a/test/CodeGen/ARM/2010-05-17-FastAllocCrash.ll
+++ b/test/CodeGen/ARM/2010-05-17-FastAllocCrash.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -regalloc=fast -verify-machineinstrs
+; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs
 target triple = "arm-pc-linux-gnu"
 
 ; This test case would accidentally use the same physreg for two virtregs
diff --git a/test/CodeGen/ARM/ldrd.ll b/test/CodeGen/ARM/ldrd.ll
index 226519b..73b546d 100644
--- a/test/CodeGen/ARM/ldrd.ll
+++ b/test/CodeGen/ARM/ldrd.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -regalloc=fast | FileCheck %s -check-prefix=A8
-; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-m3 -regalloc=fast | FileCheck %s -check-prefix=M3
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -regalloc=fast -optimize-regalloc=0 | FileCheck %s -check-prefix=A8
+; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-m3 -regalloc=fast -optimize-regalloc=0 | FileCheck %s -check-prefix=M3
 ; rdar://6949835
 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -regalloc=basic | FileCheck %s -check-prefix=BASIC
 ; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-a8 -regalloc=greedy | FileCheck %s -check-prefix=GREEDY
diff --git a/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll b/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll
index 928edc4..2dc5c16 100644
--- a/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll
+++ b/test/CodeGen/Generic/2006-09-02-LocalAllocCrash.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -regalloc=fast
+; RUN: llc < %s -regalloc=fast -optimize-regalloc=0
 	
 %struct.CHESS_POSITION = type { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i32, i32, i8, i8, [64 x i8], i8, i8, i8, i8, i8 }
 @search = external global %struct.CHESS_POSITION		; <%struct.CHESS_POSITION*> [#uses=2]
diff --git a/test/CodeGen/Generic/edge-bundles-blockIDs.ll b/test/CodeGen/Generic/edge-bundles-blockIDs.ll
index b4ae415..d86c758 100644
--- a/test/CodeGen/Generic/edge-bundles-blockIDs.ll
+++ b/test/CodeGen/Generic/edge-bundles-blockIDs.ll
@@ -1,6 +1,6 @@
 ; Make sure EdgeBoundles handles the case when the function size is less then 
 ; the number of block IDs.
-; RUN: llc -regalloc=fast < %s
+; RUN: llc -regalloc=fast -optimize-regalloc=0 < %s
 
 define void @foo() nounwind {
 entry:
diff --git a/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll b/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll
index 3489477..53231b4 100644
--- a/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll
+++ b/test/CodeGen/PowerPC/2007-04-30-InlineAsmEarlyClobber.ll
@@ -1,5 +1,5 @@
 ; RUN: llc < %s | FileCheck %s
-; RUN: llc < %s -regalloc=fast | FileCheck %s
+; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 | FileCheck %s
 ; The first argument of subfc must not be the same as any other register.
 
 ; CHECK: subfc [[REG:r.]],
diff --git a/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert.ll b/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert.ll
index 556a4a1..a60d11c 100644
--- a/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert.ll
+++ b/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=powerpc64-apple-darwin9 -regalloc=fast -relocation-model=pic
+; RUN: llc < %s -mtriple=powerpc64-apple-darwin9 -regalloc=fast -optimize-regalloc=0 -relocation-model=pic
 
 	%struct.NSError = type opaque
 	%struct.NSManagedObjectContext = type opaque
diff --git a/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert2.ll b/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert2.ll
index b3b9280..3d1a328 100644
--- a/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert2.ll
+++ b/test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert2.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=powerpc64-apple-darwin9 -regalloc=fast -relocation-model=pic
+; RUN: llc < %s -mtriple=powerpc64-apple-darwin9 -regalloc=fast -optimize-regalloc=0 -relocation-model=pic
 
 	%struct.NSError = type opaque
 	%struct.NSManagedObjectContext = type opaque
diff --git a/test/CodeGen/PowerPC/2008-02-09-LocalRegAllocAssert.ll b/test/CodeGen/PowerPC/2008-02-09-LocalRegAllocAssert.ll
index e03bd9e..e28a3e0 100644
--- a/test/CodeGen/PowerPC/2008-02-09-LocalRegAllocAssert.ll
+++ b/test/CodeGen/PowerPC/2008-02-09-LocalRegAllocAssert.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=powerpc-apple-darwin -regalloc=fast
+; RUN: llc < %s -mtriple=powerpc-apple-darwin -regalloc=fast -optimize-regalloc=0
 
 define i32 @bork(i64 %foo, i64 %bar) {
 entry:
diff --git a/test/CodeGen/X86/2008-01-16-FPStackifierAssert.ll b/test/CodeGen/X86/2008-01-16-FPStackifierAssert.ll
index 0091397..9584b71 100644
--- a/test/CodeGen/X86/2008-01-16-FPStackifierAssert.ll
+++ b/test/CodeGen/X86/2008-01-16-FPStackifierAssert.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mattr=+sse2 -regalloc=fast
+; RUN: llc < %s -march=x86 -mattr=+sse2 -regalloc=fast -optimize-regalloc=0
 
 define void @SolveCubic(double %a, double %b, double %c, double %d, i32* %solutions, double* %x) {
 entry:
diff --git a/test/CodeGen/X86/2008-02-22-LocalRegAllocBug.ll b/test/CodeGen/X86/2008-02-22-LocalRegAllocBug.ll
index da02907..9185a36 100644
--- a/test/CodeGen/X86/2008-02-22-LocalRegAllocBug.ll
+++ b/test/CodeGen/X86/2008-02-22-LocalRegAllocBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -regalloc=fast -march=x86 -mattr=+mmx | grep esi
+; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 -march=x86 -mattr=+mmx | grep esi
 ; PR2082
 ; Local register allocator was refusing to use ESI, EDI, and EBP so it ran out of
 ; registers.
diff --git a/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll b/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll
index c068f8a..4e73b5a 100644
--- a/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll
+++ b/test/CodeGen/X86/2008-05-28-LocalRegAllocBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=i386-apple-darwin -regalloc=fast
+; RUN: llc < %s -mtriple=i386-apple-darwin -regalloc=fast -optimize-regalloc=0
 
 @_ZTVN10Evaluation10GridOutputILi3EEE = external constant [5 x i32 (...)*]		; <[5 x i32 (...)*]*> [#uses=1]
 
diff --git a/test/CodeGen/X86/2008-09-17-inline-asm-1.ll b/test/CodeGen/X86/2008-09-17-inline-asm-1.ll
index 86e50c9..4b2774b 100644
--- a/test/CodeGen/X86/2008-09-17-inline-asm-1.ll
+++ b/test/CodeGen/X86/2008-09-17-inline-asm-1.ll
@@ -1,5 +1,5 @@
 ; RUN: llc < %s -march=x86 | FileCheck %s
-; RUN: llc < %s -march=x86 -regalloc=fast | FileCheck %s
+; RUN: llc < %s -march=x86 -regalloc=fast -optimize-regalloc=0 | FileCheck %s
 
 ; %0 must not be put in EAX or EDX.
 ; In the first asm, $0 and $2 must not be put in EAX.
diff --git a/test/CodeGen/X86/2008-09-18-inline-asm-2.ll b/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
index 6867ae7..5c2fbee 100644
--- a/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
+++ b/test/CodeGen/X86/2008-09-18-inline-asm-2.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -regalloc=fast       | FileCheck %s
+; RUN: llc < %s -march=x86 -regalloc=fast -optimize-regalloc=0 | FileCheck %s
 ; RUN: llc < %s -march=x86 -regalloc=basic      | FileCheck %s
 ; RUN: llc < %s -march=x86 -regalloc=greedy     | FileCheck %s
 
diff --git a/test/CodeGen/X86/2009-04-24.ll b/test/CodeGen/X86/2009-04-24.ll
index d6ed0c4..5f5bf06 100644
--- a/test/CodeGen/X86/2009-04-24.ll
+++ b/test/CodeGen/X86/2009-04-24.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86-64 -mtriple=x86_64-linux-gnu -regalloc=fast -relocation-model=pic > %t2
+; RUN: llc < %s -march=x86-64 -mtriple=x86_64-linux-gnu -regalloc=fast -optimize-regalloc=0 -relocation-model=pic > %t2
 ; RUN: grep {leaq.*TLSGD} %t2
 ; RUN: grep {__tls_get_addr} %t2
 ; PR4004
diff --git a/test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll b/test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll
index 90eb84d..35f2339 100644
--- a/test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll
+++ b/test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc -regalloc=fast %s -o %t
+; RUN: llc -regalloc=fast -optimize-regalloc=0 %s -o %t
 ; PR7066
 
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
diff --git a/test/CodeGen/X86/2010-05-12-FastAllocKills.ll b/test/CodeGen/X86/2010-05-12-FastAllocKills.ll
index 36a99d6..eb0b150 100644
--- a/test/CodeGen/X86/2010-05-12-FastAllocKills.ll
+++ b/test/CodeGen/X86/2010-05-12-FastAllocKills.ll
@@ -1,4 +1,4 @@
-; RUN: llc -regalloc=fast -verify-machineinstrs < %s
+; RUN: llc -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs < %s
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-apple-darwin"
 
diff --git a/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll b/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
index 4639866..9b47bb7 100644
--- a/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
+++ b/test/CodeGen/X86/2010-06-15-FastAllocEarlyCLobber.ll
@@ -1,4 +1,4 @@
-; RUN: llc -regalloc=fast < %s | FileCheck %s
+; RUN: llc -regalloc=fast -optimize-regalloc=0 < %s | FileCheck %s
 ; PR7382
 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
 target triple = "x86_64-unknown-linux-gnu"
diff --git a/test/CodeGen/X86/inline-asm-error.ll b/test/CodeGen/X86/inline-asm-error.ll
index 134d6e9..747a589 100644
--- a/test/CodeGen/X86/inline-asm-error.ll
+++ b/test/CodeGen/X86/inline-asm-error.ll
@@ -1,4 +1,4 @@
-; RUN: not llc -march x86 -regalloc=fast       < %s 2> %t1
+; RUN: not llc -march x86 -regalloc=fast -optimize-regalloc=0 < %s 2> %t1
 ; RUN: not llc -march x86 -regalloc=basic      < %s 2> %t2
 ; RUN: not llc -march x86 -regalloc=greedy     < %s 2> %t3
 ; RUN: FileCheck %s < %t1
diff --git a/test/CodeGen/X86/liveness-local-regalloc.ll b/test/CodeGen/X86/liveness-local-regalloc.ll
index 52f6e5e..721f545 100644
--- a/test/CodeGen/X86/liveness-local-regalloc.ll
+++ b/test/CodeGen/X86/liveness-local-regalloc.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -regalloc=fast -verify-machineinstrs -mtriple=x86_64-apple-darwin10
+; RUN: llc < %s -regalloc=fast -optimize-regalloc=0 -verify-machineinstrs -mtriple=x86_64-apple-darwin10
 ; <rdar://problem/7755473>
 ; PR12821
 
diff --git a/test/CodeGen/X86/phys-reg-local-regalloc.ll b/test/CodeGen/X86/phys-reg-local-regalloc.ll
index 8b9ea17..c565684 100644
--- a/test/CodeGen/X86/phys-reg-local-regalloc.ll
+++ b/test/CodeGen/X86/phys-reg-local-regalloc.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -mtriple=i386-apple-darwin9 -regalloc=fast | FileCheck %s
+; RUN: llc < %s -march=x86 -mtriple=i386-apple-darwin9 -regalloc=fast -optimize-regalloc=0 | FileCheck %s
 ; RUN: llc -O0 < %s -march=x86 -mtriple=i386-apple-darwin9 -regalloc=fast | FileCheck %s
 ; CHECKed instructions should be the same with or without -O0.
 
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