test/CodeGen/AMDGPU/GlobalISel/combine-add-nullptr.mir

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

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

    ; CHECK-LABEL: name: add_nullptr_shl_add
    ; CHECK: liveins: $sgpr0
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
    ; CHECK: $vgpr0 = COPY [[SHL]](s32)
    %0:_(s32) = COPY $sgpr0
    %1:_(s32) = G_CONSTANT i32 3
    %2:_(s32) = G_SHL %0, %1(s32)
    %3:_(p3) = G_CONSTANT i32 0
    %4:_(p3) = G_PTR_ADD %3, %2(s32)
    %5:_(s32) = G_PTRTOINT %4(p3)
    $vgpr0 = COPY %5(s32)

...

---
name: add_nullptr_mul_add
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0, $vgpr1

    ; CHECK-LABEL: name: add_nullptr_mul_add
    ; CHECK: liveins: $vgpr0, $vgpr1
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
    ; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY]], [[COPY1]]
    ; CHECK: $vgpr0 = COPY [[MUL]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(p3) = G_CONSTANT i32 0
    %3:_(s32) = G_MUL %0:_, %1:_
    %4:_(p3) = G_PTR_ADD %2:_, %3:_(s32)
    %5:_(s32) = G_PTRTOINT %4:_(p3)
    $vgpr0 = COPY %5:_(s32)

...

---
name: add_nullptr_vec_all_zero
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3

    ; CHECK-LABEL: name: add_nullptr_vec_all_zero
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr3
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32)
    ; CHECK: [[SHL:%[0-9]+]]:_(<2 x s32>) = G_SHL [[COPY]], [[BUILD_VECTOR]](<2 x s32>)
    ; CHECK: $vgpr0_vgpr1 = COPY [[SHL]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(s32) = COPY $vgpr2
    %2:_(s32) = COPY $vgpr3
    %3:_(<2 x s32>) = G_BUILD_VECTOR %1:_(s32), %2:_(s32)
    %4:_(<2 x s32>) = G_SHL %0, %3(<2 x s32>)
    %5:_(p3) = G_CONSTANT i32 0
    %6:_(<2 x p3>) = G_BUILD_VECTOR %5:_(p3), %5:_(p3)
    %7:_(<2 x p3>) = G_PTR_ADD %6, %4(<2 x s32>)
    %8:_(<2 x s32>) = G_PTRTOINT %7(<2 x p3>)
    $vgpr0_vgpr1 = COPY %8(<2 x s32>)

...