test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz-zero-undef.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer %s -o - | FileCheck %s

---
name: ctlz_zero_undef_s32_s32

body: |
  bb.0:
    liveins: $vgpr0
    ; CHECK-LABEL: name: ctlz_zero_undef_s32_s32
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s32)
    ; CHECK-NEXT: $vgpr0 = COPY [[CTLZ_ZERO_UNDEF]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0 = COPY %1
...

---
name: ctlz_zero_undef_s32_s64

body: |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: ctlz_zero_undef_s32_s64
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s64)
    ; CHECK-NEXT: $vgpr0 = COPY [[CTLZ_ZERO_UNDEF]](s32)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s32) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0 = COPY %1
...

---
name: ctlz_zero_undef_s64_s64

body: |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: ctlz_zero_undef_s64_s64
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s64)
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[CTLZ_ZERO_UNDEF]](s32)
    ; CHECK-NEXT: $vgpr0_vgpr1 = COPY [[ZEXT]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s64) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0_vgpr1 = COPY %1
...

---
name: ctlz_zero_undef_s16_s32

body: |
  bb.0:
    liveins: $vgpr0
    ; CHECK-LABEL: name: ctlz_zero_undef_s16_s32
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[COPY]](s32)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[CTLZ_ZERO_UNDEF]], [[C]]
    ; CHECK-NEXT: $vgpr0 = COPY [[AND]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_CTLZ_ZERO_UNDEF %0
    %2:_(s32) = G_ZEXT %1
    $vgpr0 = COPY %2
...

---
name: ctlz_zero_undef_s16_s16

body: |
  bb.0:
    liveins: $vgpr0
    ; CHECK-LABEL: name: ctlz_zero_undef_s16_s16
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[CTLZ_ZERO_UNDEF]], [[C1]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
    ; CHECK-NEXT: $vgpr0 = COPY [[AND1]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_TRUNC %0
    %2:_(s16) = G_CTLZ_ZERO_UNDEF %1
    %3:_(s32) = G_ZEXT %2
    $vgpr0 = COPY %3
...

---
name: ctlz_zero_undef_v2s32_v2s32

body: |
  bb.0:
    liveins: $vgpr0_vgpr1
    ; CHECK-LABEL: name: ctlz_zero_undef_v2s32_v2s32
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV]](s32)
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV1]](s32)
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[CTLZ_ZERO_UNDEF]](s32), [[CTLZ_ZERO_UNDEF1]](s32)
    ; CHECK-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0_vgpr1 = COPY %1
...

---
name: ctlz_zero_undef_v2s32_v2s64

body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK-LABEL: name: ctlz_zero_undef_v2s32_v2s64
    ; CHECK: liveins: $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV]](s64)
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[UV1]](s64)
    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[CTLZ_ZERO_UNDEF]](s32), [[CTLZ_ZERO_UNDEF1]](s32)
    ; CHECK-NEXT: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(<2 x s32>) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0_vgpr1 = COPY %1
...

---
name: ctlz_zero_undef_v2s16_v2s16

body: |
  bb.0:
    liveins: $vgpr0
    ; CHECK-LABEL: name: ctlz_zero_undef_v2s16_v2s16
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; CHECK-NEXT: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[BITCAST]], [[C1]]
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[CTLZ_ZERO_UNDEF]], [[C]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF1:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[LSHR]](s32)
    ; CHECK-NEXT: [[SUB1:%[0-9]+]]:_(s32) = G_SUB [[CTLZ_ZERO_UNDEF1]], [[C]]
    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY [[SUB1]](s32)
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
    ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
    ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C]](s32)
    ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND1]], [[SHL]]
    ; CHECK-NEXT: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; CHECK-NEXT: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = G_CTLZ_ZERO_UNDEF %0
    $vgpr0 = COPY %1
...

---
name: ctlz_zero_undef_s7_s7

body: |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: ctlz_zero_undef_s7_s7
    ; CHECK: liveins: $vgpr0
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 127
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s32)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 25
    ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[CTLZ_ZERO_UNDEF]], [[C1]]
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SUB]](s32)
    ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
    ; CHECK-NEXT: $vgpr0 = COPY [[AND1]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s7) = G_TRUNC %0
    %2:_(s7) = G_CTLZ_ZERO_UNDEF %1
    %3:_(s32) = G_ZEXT %2
    $vgpr0 = COPY %3
...

---
name: ctlz_zero_undef_s33_s33

body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; CHECK-LABEL: name: ctlz_zero_undef_s33_s33
    ; CHECK: liveins: $vgpr0_vgpr1
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s64) = COPY $vgpr0_vgpr1
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8589934591
    ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[COPY]], [[C]]
    ; CHECK-NEXT: [[CTLZ_ZERO_UNDEF:%[0-9]+]]:_(s32) = G_CTLZ_ZERO_UNDEF [[AND]](s64)
    ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 31
    ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[C1]](s64)
    ; CHECK-NEXT: [[USUBO:%[0-9]+]]:_(s32), [[USUBO1:%[0-9]+]]:_(s1) = G_USUBO [[CTLZ_ZERO_UNDEF]], [[UV]]
    ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[USUBO]](s32)
    ; CHECK-NEXT: $vgpr0_vgpr1 = COPY [[ZEXT]](s64)
    %0:_(s64) = COPY $vgpr0_vgpr1
    %1:_(s33) = G_TRUNC %0
    %2:_(s33) = G_CTLZ_ZERO_UNDEF %1
    %3:_(s64) = G_ANYEXT %2
    $vgpr0_vgpr1 = COPY %3
...