Index: llvm/test/CodeGen/MIR/X86/diexpr-win32.mir
===================================================================
--- llvm/test/CodeGen/MIR/X86/diexpr-win32.mir
+++ llvm/test/CodeGen/MIR/X86/diexpr-win32.mir
@@ -1,4 +1,4 @@
-# RUN: llc -start-after=prologepilog -filetype=obj -O0 %s -o - -experimental-debug-variable-locations=false | llvm-readobj --codeview - | FileCheck %s
+# RUN: llc -start-after=prologepilog -filetype=obj -O0 %s -o - -experimental-debug-variable-locations=true | llvm-readobj --codeview - | FileCheck %s
 
 # Offsets are now CFA, or VFRAME, relative. Both the NRVO sret pointer and the
 # string* parameter are on the stack, NRVO at offset 4 (after RA), and Str at
Index: llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
===================================================================
--- llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
+++ llvm/test/CodeGen/X86/2010-05-26-DotDebugLoc.ll
@@ -1,5 +1,5 @@
-; RUN: llc -O2 < %s -experimental-debug-variable-locations=false | FileCheck %s
-; RUN: llc -O2 -regalloc=basic < %s -experimental-debug-variable-locations=false | FileCheck %s
+; RUN: llc -O2 < %s -experimental-debug-variable-locations=true | FileCheck %s
+; RUN: llc -O2 -regalloc=basic < %s -experimental-debug-variable-locations=true | FileCheck %s
 source_filename = "test/CodeGen/X86/2010-05-26-DotDebugLoc.ll"
 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-darwin10"
@@ -56,9 +56,10 @@
 !22 = distinct !DILexicalBlock(scope: !8, file: !1, line: 17)
 !23 = !DILocation(line: 19, scope: !22)
 
-; The variable bar:myvar changes registers after the first movq.
-; It is cobbered by popq %rbx
+; The variable bar:myvar changes registers after $rdi is clobbered by a memory
+; movl. It is later cobbered by popq %rbx.
 ; CHECK: movq
+; CHECK: movl
 ; CHECK-NEXT: [[LABEL:Ltmp[0-9]*]]
 ; CHECK: .loc	1 19 0
 ; CHECK: popq
Index: llvm/test/CodeGen/X86/fast-regalloc-live-out-debug-values.mir
===================================================================
--- llvm/test/CodeGen/X86/fast-regalloc-live-out-debug-values.mir
+++ llvm/test/CodeGen/X86/fast-regalloc-live-out-debug-values.mir
@@ -1,5 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -O0 -mtriple=x86_64-unknown-linux-gnu -start-before=regallocfast -stop-after=livedebugvalues -verify-machineinstrs -o - %s -experimental-debug-variable-locations=false | FileCheck %s
+# RUN: llc -O0 -mtriple=x86_64-unknown-linux-gnu -start-before=regallocfast -stop-after=livedebugvalues -verify-machineinstrs -o - %s -experimental-debug-variable-locations=true | FileCheck %s
 # DBG_VALUEs for %0 should be present in the use blocks
 
 --- |
Index: llvm/test/DebugInfo/COFF/fpo-shrink-wrap.ll
===================================================================
--- llvm/test/DebugInfo/COFF/fpo-shrink-wrap.ll
+++ llvm/test/DebugInfo/COFF/fpo-shrink-wrap.ll
@@ -1,5 +1,5 @@
-; RUN: llc -enable-shrink-wrap=true < %s -experimental-debug-variable-locations=false | FileCheck %s --check-prefix=ASM
-; RUN: llc -enable-shrink-wrap=true -filetype=obj < %s -experimental-debug-variable-locations=false | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
+; RUN: llc -enable-shrink-wrap=true < %s -experimental-debug-variable-locations=true | FileCheck %s --check-prefix=ASM
+; RUN: llc -enable-shrink-wrap=true -filetype=obj < %s -experimental-debug-variable-locations=true | llvm-readobj --codeview - | FileCheck %s --check-prefix=OBJ
 
 ; C source:
 ; int doSomething(int*);
@@ -33,7 +33,7 @@
 ; ASM:         popl    %ebx
 ; ASM: [[EPILOGUE]]:                                 # %return
 ; ASM:         retl    $8
-; ASM: Ltmp11:
+; ASM: Ltmp12:
 ; ASM:         .cv_fpo_endproc
 
 ; Note how RvaStart advances 7 bytes to skip the shrink-wrapped portion.
Index: llvm/test/DebugInfo/COFF/fpo-stack-protect.ll
===================================================================
--- llvm/test/DebugInfo/COFF/fpo-stack-protect.ll
+++ llvm/test/DebugInfo/COFF/fpo-stack-protect.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -experimental-debug-variable-locations=false | FileCheck %s
+; RUN: llc < %s -experimental-debug-variable-locations=true | FileCheck %s
 
 ; C source:
 ; void escape(int *);
@@ -30,7 +30,7 @@
 ; CHECK:         addl    $20, %esp
 ; CHECK:         popl    %esi
 ; CHECK:         retl
-; CHECK: Ltmp3:
+; CHECK: Ltmp4:
 ; CHECK:         .cv_fpo_endproc
 
 ; ModuleID = 't.c'
Index: llvm/test/DebugInfo/COFF/types-array-advanced.ll
===================================================================
--- llvm/test/DebugInfo/COFF/types-array-advanced.ll
+++ llvm/test/DebugInfo/COFF/types-array-advanced.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -filetype=obj -experimental-debug-variable-locations=false | llvm-readobj - --codeview | FileCheck %s
-; RUN: llc < %s -experimental-debug-variable-locations=false | llvm-mc -filetype=obj --triple=i686-windows | llvm-readobj - --codeview | FileCheck %s
+; RUN: llc < %s -filetype=obj -experimental-debug-variable-locations=true | llvm-readobj - --codeview | FileCheck %s
+; RUN: llc < %s -experimental-debug-variable-locations=true | llvm-mc -filetype=obj --triple=i686-windows | llvm-readobj - --codeview | FileCheck %s
 
 ; C++ source to regenerate:
 ; $ cat t.cpp
Index: llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
===================================================================
--- llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
+++ llvm/test/DebugInfo/MIR/X86/entry-value-of-modified-param.mir
@@ -1,7 +1,9 @@
 # RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s  \
 # RUN:  -experimental-debug-variable-locations=false \
 # RUN: | FileCheck %s --check-prefixes=CHECK,VARLOCLDV
-# RUN: llc -force-instr-ref-livedebugvalues=1 -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s --check-prefixes=CHECK,INSTRREFLDV
+# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s \
+# RUN:  -experimental-debug-variable-locations=true \
+# RUN: | FileCheck %s --check-prefixes=CHECK,INSTRREFLDV
 #
 #extern void fn1 (int, int, int);
 #
Index: llvm/test/DebugInfo/MIR/X86/kill-entry-value-after-diamond-bbs.mir
===================================================================
--- llvm/test/DebugInfo/MIR/X86/kill-entry-value-after-diamond-bbs.mir
+++ llvm/test/DebugInfo/MIR/X86/kill-entry-value-after-diamond-bbs.mir
@@ -1,5 +1,5 @@
 # RUN: llc -debug-entry-values -run-pass=livedebugvalues -march=x86-64 -o - %s -experimental-debug-variable-locations=false | FileCheck %s --check-prefixes=CHECK,VARLOCLDV
-# RUN: llc -debug-entry-values -force-instr-ref-livedebugvalues=1 -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck %s --check-prefixes=CHECK,INSTRREFLDV
+# RUN: llc -debug-entry-values -run-pass=livedebugvalues -march=x86-64 -o - %s -experimental-debug-variable-locations=true | FileCheck %s --check-prefixes=CHECK,INSTRREFLDV
 #
 # The test case was artificially adjusted, in order to make proper diamond basic
 # block structure relevant to the debug entry values clobbering.
Index: llvm/test/DebugInfo/MIR/X86/live-debug-values-restore.mir
===================================================================
--- llvm/test/DebugInfo/MIR/X86/live-debug-values-restore.mir
+++ llvm/test/DebugInfo/MIR/X86/live-debug-values-restore.mir
@@ -1,5 +1,5 @@
 # RUN: llc -run-pass livedebugvalues -march=x86-64 -o - %s \
-# RUN:  -experimental-debug-variable-locations=false | FileCheck %s
+# RUN:  -experimental-debug-variable-locations=true | FileCheck %s
 
 # Generated from the following source with:
 # clang -g -mllvm -stop-before=livedebugvalues -S -O2 test.c -o test.mir
Index: llvm/test/DebugInfo/X86/dbg-addr-dse.ll
===================================================================
--- llvm/test/DebugInfo/X86/dbg-addr-dse.ll
+++ llvm/test/DebugInfo/X86/dbg-addr-dse.ll
@@ -1,4 +1,4 @@
-; RUN: llc %s -o %t.s -experimental-debug-variable-locations=false
+; RUN: llc %s -o %t.s -experimental-debug-variable-locations=true
 ; RUN: llvm-mc %t.s -filetype=obj -triple=x86_64-windows-msvc -o %t.o
 ; RUN: FileCheck %s < %t.s --check-prefix=ASM
 ; RUN: llvm-dwarfdump %t.o | FileCheck %s --check-prefix=DWARF
Index: llvm/test/DebugInfo/X86/sdag-split-arg.ll
===================================================================
--- llvm/test/DebugInfo/X86/sdag-split-arg.ll
+++ llvm/test/DebugInfo/X86/sdag-split-arg.ll
@@ -1,4 +1,4 @@
-; RUN: llc -O0 -filetype=asm %s -o - -experimental-debug-variable-locations=false | FileCheck %s
+; RUN: llc -O0 -filetype=asm %s -o - -experimental-debug-variable-locations=true | FileCheck %s
 ; Test large integral function arguments passed in multiple registers.
 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 64 16] ${{([a-d]x)|(si)|(di)|(bp)|(r[0-9]+w)}}
 ; CHECK: DEBUG_VALUE: foo:bar <- [DW_OP_LLVM_fragment 48 16] ${{([a-d]x)|(si)|(di)|(bp)|(r[0-9]+w)}}
Index: llvm/test/DebugInfo/X86/sdagsplit-1.ll
===================================================================
--- llvm/test/DebugInfo/X86/sdagsplit-1.ll
+++ llvm/test/DebugInfo/X86/sdagsplit-1.ll
@@ -1,4 +1,4 @@
-; RUN: llc %s -stop-after=livedebugvars -o %t -experimental-debug-variable-locations=false
+; RUN: llc %s -stop-after=livedebugvars -o %t -experimental-debug-variable-locations=true
 ; RUN: cat %t | FileCheck %s
 ;
 ; Test that we can emit debug info for large values that are split
@@ -13,8 +13,8 @@
 ;      return 0;
 ;    }
 ;
-; CHECK-DAG: DBG_VALUE ${{[a-z]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 0, 32), debug-location !{{[0-9]+}}
-; CHECK-DAG: DBG_VALUE ${{[a-z]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 32, 32), debug-location !{{[0-9]+}}
+; CHECK-DAG: DBG_VALUE ${{[a-z]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 0, 32), debug-location
+; CHECK-DAG: DBG_VALUE ${{[a-z]+}}, $noreg, !{{[0-9]+}}, !DIExpression(DW_OP_LLVM_fragment, 32, 32), debug-location
 
 ; ModuleID = 'sdagsplit-1.c'
 target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
Index: llvm/test/tools/llvm-locstats/locstats.ll
===================================================================
--- llvm/test/tools/llvm-locstats/locstats.ll
+++ llvm/test/tools/llvm-locstats/locstats.ll
@@ -1,6 +1,6 @@
 ; UNSUPPORTED: system-windows
 ; REQUIRES: x86-registered-target
-; RUN: llc %s -o %t0.o -filetype=obj -experimental-debug-variable-locations=false
+; RUN: llc %s -o %t0.o -filetype=obj -experimental-debug-variable-locations=true
 ; RUN: %llvm-locstats %t0.o | FileCheck %s --check-prefix=LOCSTATS
 ;
 ; Test the llvm-locstats output.
@@ -11,11 +11,11 @@
 ; LOCSTATS: [30%,40%) 0 0%
 ; LOCSTATS: [40%,50%) 0 0%
 ; LOCSTATS: [50%,60%) 0 0%
-; LOCSTATS: [60%,70%) 3 33%
+; LOCSTATS: [60%,70%) 1 11%
 ; LOCSTATS: [70%,80%) 0 0%
 ; LOCSTATS: [80%,90%) 2 22%
 ; LOCSTATS: [90%,100%) 1 11%
-; LOCSTATS: 100% 2 22%
+; LOCSTATS: 100% 4 44%
 ;
 ; The source code of the test case:
 ;extern int fn2 (int);