third_party/llvm-7.0/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-icmp.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -march=amdgcn -mcpu=fiji  -run-pass=legalizer %s -o - | FileCheck %s

--- |
  define void @test_icmp() {
  entry:
    ret void
  }
...

---
name:            test_icmp
registers:
  - { id: 0, class: _ }
  - { id: 1, class: _ }
  - { id: 2, class: _ }
body: |
  bb.0.entry:
    liveins: $vgpr0
    ; CHECK-LABEL: name: test_icmp
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[C]](s32), [[COPY]]
    ; CHECK: [[SELECT:%[0-9]+]]:_(s32) = G_SELECT [[ICMP]](s1), [[C]], [[COPY]]
    ; CHECK: $vgpr0 = COPY [[SELECT]](s32)
    %0(s32) = G_CONSTANT i32 0
    %1(s32) = COPY $vgpr0
    %2(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s32) = G_SELECT %2(s1), %0(s32), %1(s32)
    $vgpr0 = COPY %3
...