# RUN: llc -mtriple=x86_64-- -run-pass=machine-region-info %s -debug-only=machine-region-info -o /dev/null 2>&1 | FileCheck %s
# REQUIRES: asserts
---
name: fun
body: |
bb.0:
CMP32ri8 $edi, 40, implicit-def $eflags
JNE_1 %bb.7, implicit killed $eflags
JMP_1 %bb.1
bb.1:
CMP32ri8 $edi, 1, implicit-def $eflags
JNE_1 %bb.11, implicit killed $eflags
JMP_1 %bb.2
bb.2:
CMP32ri8 $edi, 2, implicit-def $eflags
JNE_1 %bb.5, implicit killed $eflags
JMP_1 %bb.3
bb.3:
CMP32ri8 $edi, 90, implicit-def $eflags
JNE_1 %bb.5, implicit killed $eflags
JMP_1 %bb.4
bb.4:
bb.5:
CMP32ri8 $edi, 4, implicit-def $eflags
JNE_1 %bb.11, implicit killed $eflags
JMP_1 %bb.6
bb.6:
JMP_1 %bb.11
bb.7:
CMP32ri8 $edi, 5, implicit-def $eflags
JE_1 %bb.9, implicit killed $eflags
JMP_1 %bb.8
bb.8:
bb.9:
CMP32ri8 $edi, 6, implicit-def $eflags
JE_1 %bb.11, implicit killed $eflags
JMP_1 %bb.10
bb.10:
bb.11:
RET 0
...
# CHECK: Region tree:
# CHECK-NEXT: [0] %bb.0 => <Function Return>
# CHECK-NEXT: [1] %bb.0 => %bb.11
# CHECK-NEXT: [2] %bb.7 => %bb.9
# CHECK-NEXT: [2] %bb.9 => %bb.11
# CHECK-NEXT: [2] %bb.1 => %bb.11
# CHECK-NEXT: [3] %bb.2 => %bb.5
# CHECK-NEXT: [4] %bb.3 => %bb.5
# CHECK-NEXT: [3] %bb.5 => %bb.11
# CHECK-NEXT: End region tree
