test/CodeGen/AMDGPU/GlobalISel/combine-or-redundant.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -run-pass=amdgpu-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s

---
name:            test_const_const_1
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_const_const_1
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; CHECK: $sgpr0 = COPY [[C]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $sgpr0
    %0:_(s32) = G_CONSTANT i32 255
    %1:_(s32) = G_CONSTANT i32 15
    %2:_(s32) = G_OR %0(s32), %1(s32)
    $sgpr0 = COPY %2(s32)
    SI_RETURN_TO_EPILOG implicit $sgpr0
...

---
name:            test_const_const_2
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_const_const_2
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; CHECK: $vgpr0 = COPY [[C]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0
    %0:_(s32) = G_CONSTANT i32 15
    %1:_(s32) = G_CONSTANT i32 255
    %2:_(s32) = G_OR %0(s32), %1(s32)
    $vgpr0 = COPY %2(s32)
    SI_RETURN_TO_EPILOG implicit $vgpr0
...

---
name:            test_const_const_3
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: test_const_const_3
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1431655765
    ; CHECK: $vgpr0 = COPY [[C]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0
    %0:_(s32) = G_CONSTANT i32 1431655765
    %1:_(s32) = G_CONSTANT i32 1145324612
    %2:_(s32) = G_OR %1(s32), %0(s32)
    $vgpr0 = COPY %2(s32)
    SI_RETURN_TO_EPILOG implicit $vgpr0
...

---
name:            test_or_or
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_or_or
    ; CHECK: liveins: $vgpr0
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
    ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[COPY]], [[C]]
    ; CHECK: $vgpr0 = COPY [[OR]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_CONSTANT i32 255
    %2:_(s32) = G_CONSTANT i32 15
    %3:_(s32) = G_OR %0, %1(s32)
    %4:_(s32) = G_OR %3, %2
    $vgpr0 = COPY %4(s32)
    SI_RETURN_TO_EPILOG implicit $vgpr0
...

---
name:            test_shl_xor_or
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr0

    ; CHECK-LABEL: name: test_shl_xor_or
    ; CHECK: liveins: $sgpr0
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 5
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
    ; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[SHL]], [[C1]]
    ; CHECK: $sgpr0 = COPY [[XOR]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $sgpr0
    %0:_(s32) = COPY $sgpr0
    %1:_(s32) = G_CONSTANT i32 5
    %2:_(s32) = G_CONSTANT i32 -1
    %3:_(s32) = G_CONSTANT i32 31
    %4:_(s32) = G_SHL %0, %1(s32)
    %5:_(s32) = G_XOR %4(s32), %2(s32)
    %6:_(s32) = G_OR %5(s32), %3(s32)
    $sgpr0 = COPY %6(s32)
    SI_RETURN_TO_EPILOG implicit $sgpr0
...

---
name:            test_lshr_xor_or
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_lshr_xor_or
    ; CHECK: liveins: $vgpr0
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 5
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
    ; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[LSHR]], [[C1]]
    ; CHECK: $vgpr0 = COPY [[XOR]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $vgpr0
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_CONSTANT i32 5
    %2:_(s32) = G_CONSTANT i32 -1
    %3:_(s32) = G_CONSTANT i32 4160749568
    %4:_(s32) = G_LSHR %0, %1(s32)
    %5:_(s32) = G_XOR %4(s32), %2(s32)
    %6:_(s32) = G_OR %5(s32), %3(s32)
    $vgpr0 = COPY %6(s32)
    SI_RETURN_TO_EPILOG implicit $vgpr0
...

---
name:            test_or_non_const
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr0, $sgpr1

    ; CHECK-LABEL: name: test_or_non_const
    ; CHECK: liveins: $sgpr0, $sgpr1
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1
    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY]], [[C]](s32)
    ; CHECK: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[LSHR]], [[C1]]
    ; CHECK: $sgpr0 = COPY [[XOR]](s32)
    ; CHECK: SI_RETURN_TO_EPILOG implicit $sgpr0
    %0:_(s32) = COPY $sgpr0
    %1:_(s32) = COPY $sgpr1
    %2:_(s32) = G_CONSTANT i32 16
    %3:_(s32) = G_CONSTANT i32 -1
    %4:_(s32) = G_CONSTANT i32 4294901760
    %5:_(s32) = G_LSHR %0, %2(s32)
    %6:_(s32) = G_XOR %5, %3(s32)
    %7:_(s32) = G_AND %1, %4(s32)
    %8:_(s32) = G_OR %6, %7
    $sgpr0 = COPY %8(s32)
    SI_RETURN_TO_EPILOG implicit $sgpr0
...