# RUN: llc -march=amdgcn -mcpu=hawaii -run-pass=regbankselect %s -verify-machineinstrs -o - | FileCheck %s

# REQUIRES: global-isel

--- |
  define amdgpu_kernel void @load_constant(i32 addrspace(4)* %ptr0) { ret void }
  define amdgpu_kernel void @load_global_uniform(i32 addrspace(1)* %ptr1) {
    %tmp0 = load i32, i32 addrspace(1)* %ptr1
    ret void
  }
  define amdgpu_kernel void @load_global_non_uniform(i32 addrspace(1)* %ptr2) {
    %tmp0 = call i32 @llvm.amdgcn.workitem.id.x() #0
    %tmp1 = getelementptr i32, i32 addrspace(1)* %ptr2, i32 %tmp0
    %tmp2 = load i32, i32 addrspace(1)* %tmp1
    ret void
  }
  define void @non_power_of_2() { ret void }
  declare i32 @llvm.amdgcn.workitem.id.x() #0
  attributes #0 = { nounwind readnone }
...

---
name : load_constant
legalized: true

# CHECK-LABEL: name: load_constant
# CHECK: registers:
# CHECK: - { id: 0, class: sgpr, preferred-register: '' }
# CHECK: - { id: 1, class: sgpr, preferred-register: '' }

body: |
  bb.0:
    liveins: $sgpr0_sgpr1
    %0:_(p4) = COPY $sgpr0_sgpr1
    %1:_(s32) = G_LOAD %0 :: (load 4 from %ir.ptr0)
...

---
name: load_global_uniform
legalized: true

# CHECK-LABEL: name: load_global_uniform
# CHECK: registers:
# CHECK: - { id: 0, class: sgpr, preferred-register: '' }
# CHECK: - { id: 1, class: sgpr, preferred-register: '' }

body: |
  bb.0:
    liveins: $sgpr0_sgpr1
    %0:_(p1) = COPY $sgpr0_sgpr1
    %1:_(s32) = G_LOAD %0 :: (load 4 from %ir.ptr1)
...

---
name: load_global_non_uniform
legalized: true

# CHECK-LABEL: name: load_global_non_uniform
# CHECK: registers:
# CHECK: - { id: 0, class: sgpr, preferred-register: '' }
# CHECK: - { id: 1, class: vgpr, preferred-register: '' }
# CHECK: - { id: 2, class: vgpr, preferred-register: '' }


body: |
  bb.0:
    liveins: $sgpr0_sgpr1
    %0:_(p1) = COPY $sgpr0_sgpr1
    %1:_(s32) = G_LOAD %0 :: (load 4 from %ir.tmp1)
...

---
name: non_power_of_2
legalized: true

# CHECK-LABEL: name: non_power_of_2
# CHECK: [[S448:%[0-9]+]]:sgpr(s448) = G_IMPLICIT_DEF
# CHECK: sgpr(s32) = G_EXTRACT [[S448]](s448), 0

body: |
  bb.0:
    %0:_(s448) = G_IMPLICIT_DEF
    %1:_(s32) = G_EXTRACT %0:_(s448), 0
    $sgpr0 = COPY %1:_(s32)
    SI_RETURN_TO_EPILOG $sgpr0
...