diff --git a/test/CodeGen/MIR/X86/cfi-offset.mir b/test/CodeGen/MIR/X86/cfi-offset.mir
index 548bcb45924..edfffda8641 100644
--- a/test/CodeGen/MIR/X86/cfi-offset.mir
+++ b/test/CodeGen/MIR/X86/cfi-offset.mir
@@ -29,6 +29,7 @@ fixedStack:
 body:
   - id:              0
     name:            entry
+    liveins:         [ '%ecx', '%edi', '%edx', '%esi', '%rbx' ]
     instructions:
       - 'PUSH64r killed %rbx, implicit-def %rsp, implicit %rsp'
       - 'CFI_INSTRUCTION .cfi_def_cfa_offset 16'
diff --git a/test/CodeGen/MIR/X86/external-symbol-operands.mir b/test/CodeGen/MIR/X86/external-symbol-operands.mir
index a786882bea6..78d66459af5 100644
--- a/test/CodeGen/MIR/X86/external-symbol-operands.mir
+++ b/test/CodeGen/MIR/X86/external-symbol-operands.mir
@@ -33,6 +33,7 @@ body:
   - id:              0
     name:            entry
     successors:      [ '%bb.1.entry', '%bb.2.entry' ]
+    liveins:         [ '%edi' ]
     instructions:
       - '%rsp = SUB64ri32 %rsp, 520, implicit-def %eflags'
       - '%rcx = LOAD_STACK_GUARD'
@@ -43,6 +44,7 @@ body:
       - 'JNE_1 %bb.2.entry, implicit %eflags'
   - id:              1
     name:            entry
+    liveins:         [ '%eax' ]
     instructions:
       - '%rsp = ADD64ri32 %rsp, 520, implicit-def %eflags'
       - 'RETQ %eax'
diff --git a/test/CodeGen/MIR/X86/implicit-register-flag.mir b/test/CodeGen/MIR/X86/implicit-register-flag.mir
index 9c6882d27bd..cf2c930b64b 100644
--- a/test/CodeGen/MIR/X86/implicit-register-flag.mir
+++ b/test/CodeGen/MIR/X86/implicit-register-flag.mir
@@ -22,6 +22,7 @@ name:            foo
 body:
   - id:          0
     name:        entry
+    successors:  [ '%bb.1.less', '%bb.2.exit' ]
     instructions:
       # CHECK:      - 'CMP32ri8 %edi, 10, implicit-def %eflags'
       # CHECK-NEXT: - 'JG_1 %bb.2.exit, implicit %eflags'
diff --git a/test/CodeGen/MIR/X86/instructions-debug-location.mir b/test/CodeGen/MIR/X86/instructions-debug-location.mir
index c769666b9af..dc8eae1c0c9 100644
--- a/test/CodeGen/MIR/X86/instructions-debug-location.mir
+++ b/test/CodeGen/MIR/X86/instructions-debug-location.mir
@@ -53,6 +53,7 @@ stack:
 body:
   - id:           0
     name:         entry
+    liveins:      [ '%edi' ]
     instructions:
       # CHECK: DBG_VALUE _, 0, !12, !13, debug-location !14
       # CHECK: %eax = COPY %0, debug-location !15
diff --git a/test/CodeGen/MIR/X86/killed-register-flag.mir b/test/CodeGen/MIR/X86/killed-register-flag.mir
index d654a9d2fa5..fd5f881b0fd 100644
--- a/test/CodeGen/MIR/X86/killed-register-flag.mir
+++ b/test/CodeGen/MIR/X86/killed-register-flag.mir
@@ -22,6 +22,7 @@ name:            foo
 body:
   - id:          0
     name:        entry
+    successors:  [ '%bb.1.less', '%bb.2.exit' ]
     instructions:
       - 'CMP32ri8 %edi, 10, implicit-def %eflags'
       - 'JG_1 %bb.2.exit, implicit %eflags'
diff --git a/test/CodeGen/MIR/X86/machine-basic-block-operands.mir b/test/CodeGen/MIR/X86/machine-basic-block-operands.mir
index 607acb5f273..25cb7a1211a 100644
--- a/test/CodeGen/MIR/X86/machine-basic-block-operands.mir
+++ b/test/CodeGen/MIR/X86/machine-basic-block-operands.mir
@@ -37,6 +37,7 @@ body:
  # CHECK: name: entry
  - id:              0
    name:            entry
+   successors:      [ '%bb.1.less', '%bb.2.exit' ]
    instructions:
      - '%eax = MOV32rm %rdi, 1, _, 0, _'
      # CHECK:      - 'CMP32ri8 %eax, 10
@@ -60,6 +61,7 @@ body:
  # CHECK: name: entry
  - id: 0
    name: entry
+   successors:  [ '%bb.1', '%bb.3' ]
    instructions:
      - '%eax = MOV32rm %rdi, 1, _, 0, _'
      # CHECK:      - 'CMP32ri8 %eax, 10
diff --git a/test/CodeGen/MIR/X86/metadata-operands.mir b/test/CodeGen/MIR/X86/metadata-operands.mir
index 36f0ad86666..1f622b1098c 100644
--- a/test/CodeGen/MIR/X86/metadata-operands.mir
+++ b/test/CodeGen/MIR/X86/metadata-operands.mir
@@ -53,6 +53,7 @@ stack:
 body:
   - id:          0
     name:        entry
+    liveins:     [ '%edi' ]
     instructions:
       # CHECK:      %0 = COPY %edi
       # CHECK-NEXT: DBG_VALUE _, 0, !12, !13
diff --git a/test/CodeGen/MIR/X86/missing-implicit-operand.mir b/test/CodeGen/MIR/X86/missing-implicit-operand.mir
index 4d2cd03f4a3..b610f89d82b 100644
--- a/test/CodeGen/MIR/X86/missing-implicit-operand.mir
+++ b/test/CodeGen/MIR/X86/missing-implicit-operand.mir
@@ -24,6 +24,7 @@ name:            foo
 body:
  - id:              0
    name:            entry
+   successors:      [ '%bb.1.less', '%bb.2.exit' ]
    instructions:
      - '%eax = MOV32rm %rdi, 1, _, 0, _'
      - 'CMP32ri8 %eax, 10, implicit-def %eflags'
diff --git a/test/CodeGen/MIR/X86/subregister-operands.mir b/test/CodeGen/MIR/X86/subregister-operands.mir
index 5e46fab4b05..bbdf3fb4a67 100644
--- a/test/CodeGen/MIR/X86/subregister-operands.mir
+++ b/test/CodeGen/MIR/X86/subregister-operands.mir
@@ -21,6 +21,7 @@ registers:
 body:
   - name:        entry
     id:          0
+    liveins:     [ '%edi' ]
     instructions:
       # CHECK:      %0 = COPY %edi
       # CHECK-NEXT: %1 = COPY %0:sub_8bit
diff --git a/test/CodeGen/MIR/X86/virtual-registers.mir b/test/CodeGen/MIR/X86/virtual-registers.mir
index c6d76e6a18c..cde6b988519 100644
--- a/test/CodeGen/MIR/X86/virtual-registers.mir
+++ b/test/CodeGen/MIR/X86/virtual-registers.mir
@@ -44,6 +44,8 @@ registers:
 body:
   - id:          0
     name:        entry
+    successors:  [ '%bb.2.exit', '%bb.1.less' ]
+    liveins:     [ '%edi' ]
     # CHECK:      %0 = COPY %edi
     # CHECK-NEXT: %1 = SUB32ri8 %0, 10
     instructions:
@@ -81,6 +83,8 @@ registers:
 body:
   - id:          0
     name:        entry
+    successors:  [ '%bb.2.exit', '%bb.1.less' ]
+    liveins:     [ '%edi' ]
     # CHECK:      %0 = COPY %edi
     # CHECK-NEXT: %1 = SUB32ri8 %0, 10
     instructions: