# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s

---
name:  remove_and_255_zextload
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: remove_and_255_zextload
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK: %ptr:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %load:_(s32) = G_ZEXTLOAD %ptr(p1) :: (load 1, addrspace 1)
    ; CHECK: $vgpr0 = COPY %load(s32)
    %ptr:_(p1) = COPY $vgpr0_vgpr1
    %load:_(s32) = G_ZEXTLOAD %ptr :: (load 1, addrspace 1, align 1)
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %load, %mask
    $vgpr0 = COPY %and

...

---
name:  remove_and_255_smin_zextload
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_smin_zextload
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1)
    ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1)
    ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1
    ; CHECK: $vgpr0 = COPY %smin(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1)
    %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1)
    %smin:_(s32) = G_SMIN %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %smin, %mask
    $vgpr0 = COPY %and

...

---
name:  remove_and_255_smax_zextload
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_smax_zextload
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1)
    ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1)
    ; CHECK: %smax:_(s32) = G_SMAX %load0, %load1
    ; CHECK: $vgpr0 = COPY %smax(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1)
    %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1)
    %smax:_(s32) = G_SMAX %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %smax, %mask
    $vgpr0 = COPY %and

...

---
name:  remove_and_255_umin_zextload
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_umin_zextload
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1)
    ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1)
    ; CHECK: %umin:_(s32) = G_UMIN %load0, %load1
    ; CHECK: $vgpr0 = COPY %umin(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1)
    %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1)
    %umin:_(s32) = G_UMIN %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %umin, %mask
    $vgpr0 = COPY %and

...

---
name:  remove_and_255_umax_zextload
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_umax_zextload
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1)
    ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1)
    ; CHECK: %umax:_(s32) = G_UMAX %load0, %load1
    ; CHECK: $vgpr0 = COPY %umax(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1)
    %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1)
    %umax:_(s32) = G_UMAX %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %umax, %mask
    $vgpr0 = COPY %and

...

# Don't have enough known bits for lhs
---
name:  remove_and_255_smin_fail_lhs
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_smin_fail_lhs
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_LOAD %ptr0(p1) :: (load 4, addrspace 1)
    ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1)
    ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1
    ; CHECK: %mask:_(s32) = G_CONSTANT i32 255
    ; CHECK: %and:_(s32) = G_AND %smin, %mask
    ; CHECK: $vgpr0 = COPY %and(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_LOAD %ptr0 :: (load 4, addrspace 1, align 4)
    %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1)
    %smin:_(s32) = G_SMIN %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %smin, %mask
    $vgpr0 = COPY %and

...

# Don't have enough known bits for rhs
---
name:  remove_and_255_smin_fail_rhs
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK-LABEL: name: remove_and_255_smin_fail_rhs
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
    ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1
    ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3
    ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1)
    ; CHECK: %load1:_(s32) = G_LOAD %ptr1(p1) :: (load 4, addrspace 1)
    ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1
    ; CHECK: %mask:_(s32) = G_CONSTANT i32 255
    ; CHECK: %and:_(s32) = G_AND %smin, %mask
    ; CHECK: $vgpr0 = COPY %and(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1)
    %load1:_(s32) = G_LOAD %ptr1 :: (load 4, addrspace 1, align 4)
    %smin:_(s32) = G_SMIN %load0, %load1
    %mask:_(s32) = G_CONSTANT i32 255
    %and:_(s32) = G_AND %smin, %mask
    $vgpr0 = COPY %and

...

# Test known bits for groupstaticsize is the maximum LDS size.
---
name:  remove_and_65535_groupstaticsize
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: remove_and_65535_groupstaticsize
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    ; CHECK: %mask:_(s32) = G_CONSTANT i32 65535
    ; CHECK: %and:_(s32) = G_AND %lds_size, %mask
    ; CHECK: $vgpr0 = COPY %and(s32)
    %ptr:_(p1) = COPY $vgpr0_vgpr1
    %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    %mask:_(s32) = G_CONSTANT i32 65535
    %and:_(s32) = G_AND %lds_size, %mask
    $vgpr0 = COPY %and

...

---
name:  remove_and_131071_groupstaticsize
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: remove_and_131071_groupstaticsize
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    ; CHECK: $vgpr0 = COPY %lds_size(s32)
    %ptr:_(p1) = COPY $vgpr0_vgpr1
    %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    %mask:_(s32) = G_CONSTANT i32 131071
    %and:_(s32) = G_AND %lds_size, %mask
    $vgpr0 = COPY %and

...

---
name:  no_remove_and_65536_groupstaticsize
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: no_remove_and_65536_groupstaticsize
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    ; CHECK: %mask:_(s32) = G_CONSTANT i32 65536
    ; CHECK: %and:_(s32) = G_AND %lds_size, %mask
    ; CHECK: $vgpr0 = COPY %and(s32)
    %ptr:_(p1) = COPY $vgpr0_vgpr1
    %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    %mask:_(s32) = G_CONSTANT i32 65536
    %and:_(s32) = G_AND %lds_size, %mask
    $vgpr0 = COPY %and

...

---
name:  no_remove_and_32767_groupstaticsize
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: no_remove_and_32767_groupstaticsize
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    ; CHECK: %mask:_(s32) = G_CONSTANT i32 32767
    ; CHECK: %and:_(s32) = G_AND %lds_size, %mask
    ; CHECK: $vgpr0 = COPY %and(s32)
    %ptr:_(p1) = COPY $vgpr0_vgpr1
    %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize)
    %mask:_(s32) = G_CONSTANT i32 32767
    %and:_(s32) = G_AND %lds_size, %mask
    $vgpr0 = COPY %and

...

# We can conclude the number of bits based only on one operand
---
name:  remove_and_umin_lhs_only
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4

    ; CHECK-LABEL: name: remove_and_umin_lhs_only
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4
    ; CHECK: %val:_(s32) = COPY $vgpr4
    ; CHECK: %k255:_(s32) = G_CONSTANT i32 255
    ; CHECK: %umin0:_(s32) = G_UMIN %val, %k255
    ; CHECK: $vgpr0 = COPY %umin0(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %val:_(s32) = COPY $vgpr4
    %k255:_(s32) = G_CONSTANT i32 255
    %umin0:_(s32) = G_UMIN %val, %k255
    %and:_(s32) = G_AND %umin0, %k255
    $vgpr0 = COPY %and

...

---
name:  remove_and_umin_rhs_only
legalized:       true
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4

    ; CHECK-LABEL: name: remove_and_umin_rhs_only
    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4
    ; CHECK: %val:_(s32) = COPY $vgpr4
    ; CHECK: %k255:_(s32) = G_CONSTANT i32 255
    ; CHECK: %umin0:_(s32) = G_UMIN %k255, %val
    ; CHECK: $vgpr0 = COPY %umin0(s32)
    %ptr0:_(p1) = COPY $vgpr0_vgpr1
    %ptr1:_(p1) = COPY $vgpr2_vgpr3
    %val:_(s32) = COPY $vgpr4
    %k255:_(s32) = G_CONSTANT i32 255
    %umin0:_(s32) = G_UMIN %k255, %val
    %and:_(s32) = G_AND %umin0, %k255
    $vgpr0 = COPY %and

...