# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck %s
# XUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck %s

---
name: buffer_load_ss
legalized: true
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4

    ; CHECK-LABEL: name: buffer_load_ss
    ; CHECK: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $sgpr4
    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
    ; CHECK: [[AMDGPU_S_BUFFER_LOAD:%[0-9]+]]:sgpr(<4 x s32>) = G_AMDGPU_S_BUFFER_LOAD [[COPY]](<4 x s32>), [[COPY1]](s32), 0
    %0:_(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    %1:_(s32) = COPY $sgpr4
    %2:_(<4 x s32>) = G_AMDGPU_S_BUFFER_LOAD %0, %1, 0

...

---
name: buffer_load_sv
legalized: true
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $vgpr0

    ; CHECK-LABEL: name: buffer_load_sv
    ; CHECK: liveins: $sgpr0_sgpr1_sgpr2_sgpr3, $vgpr0
    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[COPY]](<4 x s32>), [[C1]](s32), [[COPY1]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
    %0:_(<4 x s32>) = COPY $sgpr0_sgpr1_sgpr2_sgpr3
    %1:_(s32) = COPY $vgpr0
    %2:_(<4 x s32>) = G_AMDGPU_S_BUFFER_LOAD %0, %1, 0

...

---
name: buffer_load_vs
legalized: true
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0

    ; CHECK-LABEL: name: buffer_load_vs
    ; CHECK: successors: %bb.1(0x80000000)
    ; CHECK: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $sgpr0
    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
    ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
    ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec
    ; CHECK: .1:
    ; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
    ; CHECK: [[PHI:%[0-9]+]]:sreg_64_xexec = PHI [[DEF]], %bb.0, %9, %bb.1
    ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
    ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
    ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
    ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
    ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
    ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
    ; CHECK: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY2]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
    ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
    ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
    ; CHECK: S_CBRANCH_EXECNZ %bb.1, implicit $exec
    ; CHECK: .2:
    ; CHECK: successors: %bb.3(0x80000000)
    ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]]
    ; CHECK: .3:
    %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(s32) = COPY $sgpr0
    %2:_(<4 x s32>) = G_AMDGPU_S_BUFFER_LOAD %0, %1, 0

...

---
name: buffer_load_vv
legalized: true
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4

    ; CHECK-LABEL: name: buffer_load_vv
    ; CHECK: successors: %bb.1(0x80000000)
    ; CHECK: liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4
    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr4
    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
    ; CHECK: [[DEF:%[0-9]+]]:sreg_64_xexec = IMPLICIT_DEF
    ; CHECK: [[UV:%[0-9]+]]:vreg_64(s64), [[UV1:%[0-9]+]]:vreg_64(s64) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
    ; CHECK: [[S_MOV_B64_term:%[0-9]+]]:sreg_64_xexec = S_MOV_B64_term $exec
    ; CHECK: .1:
    ; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
    ; CHECK: [[PHI:%[0-9]+]]:sreg_64_xexec = PHI [[DEF]], %bb.0, %8, %bb.1
    ; CHECK: [[V_READFIRSTLANE_B32_:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub0(s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_1:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV]].sub1(s64), implicit $exec
    ; CHECK: [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
    ; CHECK: [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
    ; CHECK: [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
    ; CHECK: [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
    ; CHECK: [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
    ; CHECK: [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
    ; CHECK: [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY1]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
    ; CHECK: [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
    ; CHECK: $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
    ; CHECK: S_CBRANCH_EXECNZ %bb.1, implicit $exec
    ; CHECK: .2:
    ; CHECK: successors: %bb.3(0x80000000)
    ; CHECK: $exec = S_MOV_B64_term [[S_MOV_B64_term]]
    ; CHECK: .3:
    %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
    %1:_(s32) = COPY $vgpr4
    %2:_(<4 x s32>) = G_AMDGPU_S_BUFFER_LOAD %0, %1, 0

...