third_party/llvm-7.0/llvm/test/CodeGen/AArch64/ccmp-successor-probs.mir

# RUN: llc -o - %s -mtriple=aarch64--linux-gnu -mcpu=falkor -run-pass=aarch64-ccmp | FileCheck %s
---
# This test checks that successor probabilties are properly updated after a
# ccmp-conversion.
#
# CHECK-LABEL: name: aarch64-ccmp-successor-probs
# CHECK:       bb.0:
# CHECK-NEXT:    successors: %bb.2(0x04000000), %bb.3(0x7c000000)
# CHECK:         CCMPXr %5, %4, 0, 10, implicit-def $nzcv, implicit $nzcv
#
name: aarch64-ccmp-successor-probs
registers:
  - { id: 0, class: gpr64 }
  - { id: 1, class: gpr64 }
  - { id: 2, class: gpr64 }
  - { id: 3, class: gpr64 }
  - { id: 4, class: gpr64 }
  - { id: 5, class: gpr64 }
  - { id: 6, class: gpr64 }
  - { id: 7, class: gpr64 }
body : |
  bb.0:
    successors: %bb.1(0x7e000000), %bb.2(0x02000000)

    %0 = LDRXui killed $x0, 69
    %1 = COPY $xzr
    %2 = SUBSXrr %1, %0, implicit-def dead $nzcv
    %3 = SUBSXri $x1, 1, 0, implicit-def dead $nzcv
    %4 = COPY %0
    %5 = COPY %3
    %6 = SUBSXrr $x1, killed %2, implicit-def $nzcv
    Bcc 11, %bb.2, implicit $nzcv
    B %bb.1

  bb.1:
    successors: %bb.2(0x02082082), %bb.3(0x7df7df7e)

    %7 = SUBSXrr %5, %4, implicit-def $nzcv
    Bcc 12, %bb.2, implicit $nzcv
    B %bb.3

  bb.2:
    successors: %bb.3(0x80000000)

  bb.3:
...