1 files changed, 109 insertions, 0 deletions
diff --git a/test/CodeGen/MIR/X86/newline-handling.mir b/test/CodeGen/MIR/X86/newline-handling.mir
new file mode 100644
index 000000000000..bce06d540114
--- /dev/null
+++ b/test/CodeGen/MIR/X86/newline-handling.mir
@@ -0,0 +1,109 @@
+# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
+
+--- |
+
+  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:
+    %0 = icmp sle i32 %a, 10
+    br i1 %0, label %less, label %exit
+
+  less:
+    ret i32 0
+
+  exit:
+    ret i32 %a
+  }
+
+...
+---
+name:            foo
+tracksRegLiveness: true
+liveins:
+  - { reg: '%edi' }
+# CHECK-LABEL: name: foo
+# CHECK: body: |
+# CHECK-NEXT: bb.0.entry:
+# CHECK-NEXT: successors: %bb.1.less(0x40000000 / 0x80000000 = 50.00%), %bb.2.exit(0x40000000 / 0x80000000 = 50.00%)
+# CHECK-NEXT: liveins: %edi
+# CHECK:      CMP32ri8 %edi, 10, implicit-def %eflags
+# CHECK-NEXT: JG_1 %bb.2.exit, implicit killed %eflags
+
+# CHECK:      bb.1.less:
+# CHECK-NEXT: %eax = MOV32r0 implicit-def dead %eflags
+# CHECK-NEXT: RETQ killed %eax
+
+# CHECK:      bb.2.exit:
+# CHECK-NEXT: liveins: %edi
+# CHECK:      %eax = COPY killed %edi
+# CHECK-NEXT: RETQ killed %eax
+body: |
+  bb.0.entry:
+    successors: %bb.1.less, %bb.2.exit
+
+    liveins: %edi
+
+    CMP32ri8 %edi, 10, implicit-def %eflags
+
+    JG_1 %bb.2.exit, implicit killed %eflags
+
+  bb.1.less:
+
+
+    %eax = MOV32r0 implicit-def dead %eflags
+    RETQ killed %eax
+  bb.2.exit:
+
+
+    liveins: %edi
+    %eax = COPY killed %edi
+    RETQ killed %eax
+
+...
+---
+name:            bar
+tracksRegLiveness: true
+liveins:
+  - { reg: '%edi' }
+# CHECK-LABEL: name: bar
+# CHECK: body: |
+# CHECK-NEXT: bb.0.entry:
+# CHECK-NEXT: successors: %bb.1.less(0x40000000 / 0x80000000 = 50.00%), %bb.2.exit(0x40000000 / 0x80000000 = 50.00%)
+# CHECK-NEXT: liveins: %edi
+# CHECK:      CMP32ri8 %edi, 10, implicit-def %eflags
+# CHECK-NEXT: JG_1 %bb.2.exit, implicit killed %eflags
+
+# CHECK:      bb.1.less:
+# CHECK-NEXT: %eax = MOV32r0 implicit-def dead %eflags
+# CHECK-NEXT: RETQ killed %eax
+
+# CHECK:      bb.2.exit:
+# CHECK-NEXT: liveins: %edi
+# CHECK:      %eax = COPY killed %edi
+# CHECK-NEXT: RETQ killed %eax
+body: |
+
+  bb.0.entry:
+    successors: %bb.1.less, %bb.2.exit
+    liveins: %edi
+    CMP32ri8 %edi, 10, implicit-def %eflags
+    JG_1 %bb.2.exit, implicit killed %eflags
+  bb.1.less:  %eax = MOV32r0 implicit-def dead %eflags
+              RETQ killed %eax
+
+  bb.2.exit:  liveins: %edi
+    %eax = COPY killed %edi
+    RETQ killed %eax
+
+...