Enable LiveDebugVariables by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp
index 9a67a63..1349bf5 100644
--- a/lib/CodeGen/LiveDebugVariables.cpp
+++ b/lib/CodeGen/LiveDebugVariables.cpp
@@ -40,7 +40,7 @@
 using namespace llvm;
 
 static cl::opt<bool>
-EnableLDV("live-debug-variables",
+EnableLDV("live-debug-variables", cl::init(true),
           cl::desc("Enable the live debug variables pass"), cl::Hidden);
 
 char LiveDebugVariables::ID = 0;
diff --git a/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll b/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
index 13f72a9..60171eb 100644
--- a/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
+++ b/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
@@ -61,6 +61,6 @@
 ; CHECK-NEXT: .short  1
 ; CHECK-NEXT: .byte   85
 ; CHECK-NEXT: .quad   Ltmp3
-; CHECK-NEXT: .quad   Lfunc_end
+; CHECK-NEXT: .quad   Ltmp6
 ; CHECK-NEXT: .short  1
 ; CHECK-NEXT: .byte   83
diff --git a/test/CodeGen/X86/2010-05-28-Crash.ll b/test/CodeGen/X86/2010-05-28-Crash.ll
index 80643d0..ad8546e 100644
--- a/test/CodeGen/X86/2010-05-28-Crash.ll
+++ b/test/CodeGen/X86/2010-05-28-Crash.ll
@@ -39,6 +39,6 @@
 !13 = metadata !{i32 7, i32 0, metadata !14, null}
 !14 = metadata !{i32 524299, metadata !8, i32 6, i32 0} ; [ DW_TAG_lexical_block ]
 
-;CHECK:	        DEBUG_VALUE: bar:x <- EBX+0
-;CHECK-NEXT:Ltmp
-;CHECK-NEXT:	DEBUG_VALUE: foo:y <- 1+0
+;CHECK: DEBUG_VALUE: bar:x <- E
+;CHECK: Ltmp
+;CHECK:	DEBUG_VALUE: foo:y <- 1+0
diff --git a/test/CodeGen/X86/dbg-value-range.ll b/test/CodeGen/X86/dbg-value-range.ll
index 1ea009e..4d615d7 100644
--- a/test/CodeGen/X86/dbg-value-range.ll
+++ b/test/CodeGen/X86/dbg-value-range.ll
@@ -1,5 +1,4 @@
 ; RUN: llc -mtriple=x86_64-apple-darwin < %s | FileCheck %s
-; XFAIL: *
 
 %struct.a = type { i32 }