MIR Tests: Make the basic block successor test an X86 specific test.

This commit moves and transforms the generic test
'CodeGen/MIR/successor-basic-blocks.mir' into an X86 specific test
'CodeGen/MIR/X86/successor-basic-blocks.mir'. This change is required in order
to enable the machine verifier for the MIR parser, as the machine verifier
verifies that the machine basic blocks contain instructions that actually
determine the machine basic block successors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243123 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/MIR/X86/successor-basic-blocks.mir

@@ -0,0 +1,80 @@
+# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
+# This test ensures that the MIR parser parses basic block successors correctly.
+
+--- |
+
+  define i32 @foo(i32 %a) {
+  entry:
+    %0 = icmp sle i32 %a, 10
+    br i1 %0, label %less, label %exit
+
+  less:
+    ret i32 0
+
+  exit:
+    ret i32 %a
+  }
+
+  define i32 @bar(i32 %a) {
+  entry:
+    %b = icmp sle i32 %a, 10
+    br i1 %b, label %0, label %1
+
+  ; <label>:0
+    ret i32 0
+
+  ; <label>:1
+    ret i32 %a
+  }
+
+...
+---
+name:            foo
+body:
+  # CHECK: name: entry
+  # CHECK: successors: [ '%bb.1.less', '%bb.2.exit' ]
+  # CHECK: name: less
+  - id:          0
+    name:        entry
+    successors:  [ '%bb.1.less', '%bb.2.exit' ]
+    liveins:     [ '%edi' ]
+    instructions:
+      - 'CMP32ri8 %edi, 10, implicit-def %eflags'
+      - 'JG_1 %bb.2.exit, implicit killed %eflags'
+  - id:          1
+    name:        less
+    instructions:
+      - '%eax = MOV32r0 implicit-def dead %eflags'
+      - 'RETQ killed %eax'
+  - id:          2
+    name:        exit
+    liveins:     [ '%edi' ]
+    instructions:
+      - '%eax = COPY killed %edi'
+      - 'RETQ killed %eax'
+...
+---
+name:            bar
+body:
+  # CHECK: name: bar
+  # CHECK: name: entry
+  # CHECK: successors: [ '%bb.1', '%bb.2' ]
+  # CHECK: id: 1
+  # CHECK: id: 2
+  - id:           0
+    name:         entry
+    successors:   [ '%bb.1', '%bb.2' ]
+    liveins:      [ '%edi' ]
+    instructions:
+      - 'CMP32ri8 %edi, 10, implicit-def %eflags'
+      - 'JG_1 %bb.2, implicit killed %eflags'
+  - id:           1
+    instructions:
+      - '%eax = MOV32r0 implicit-def dead %eflags'
+      - 'RETQ killed %eax'
+  - id:           2
+    liveins:      [ '%edi' ]
+    instructions:
+      - '%eax = COPY killed %edi'
+      - 'RETQ killed %eax'
+...

test/CodeGen/MIR/successor-basic-blocks.mir

@@ -1,58 +0,0 @@
-# RUN: llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
-# This test ensures that the MIR parser parses basic block successors correctly.
-
---- |
-
-  define i32 @foo(i32 %a) {
-  entry:
-    %0 = icmp sle i32 %a, 10
-    br i1 %0, label %less, label %exit
-
-  less:
-    ret i32 0
-
-  exit:
-    ret i32 %a
-  }
-
-  define i32 @bar(i32 %a) {
-  entry:
-    %b = icmp sle i32 %a, 10
-    br i1 %b, label %0, label %1
-
-  ; <label>:0
-    ret i32 0
-
-  ; <label>:1
-    ret i32 %a
-  }
-
-...
----
-name:            foo
-body:
-  # CHECK: name: entry
-  # CHECK: successors: [ '%bb.1.less', '%bb.2.exit' ]
-  # CHECK: name: less
-  - id:          0
-    name:        entry
-    successors:  [ '%bb.1.less', '%bb.2.exit' ]
-  - id:          1
-    name:        less
-  - id:          2
-    name:        exit
-...
----
-name:            bar
-body:
-  # CHECK: name: bar
-  # CHECK: name: entry
-  # CHECK: successors: [ '%bb.1', '%bb.2' ]
-  # CHECK: id: 1
-  # CHECK: id: 2
-  - id:          0
-    name:        entry
-    successors:  [ '%bb.1', '%bb.2' ]
-  - id:          1
-  - id:          2
-...