# RUN: llc -mtriple=aarch64-- -run-pass=instruction-select -verify-machineinstrs -global-isel %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"

  define void @load_s64_gpr(i64* %addr) { ret void }
  define void @load_s32_gpr(i32* %addr) { ret void }
  define void @load_s16_gpr(i16* %addr) { ret void }
  define void @load_s8_gpr(i8* %addr) { ret void }

  define void @load_fi_s64_gpr() {
    %ptr0 = alloca i64
    ret void
  }

  define void @load_gep_128_s64_gpr(i64* %addr) { ret void }
  define void @load_gep_512_s32_gpr(i32* %addr) { ret void }
  define void @load_gep_64_s16_gpr(i16* %addr) { ret void }
  define void @load_gep_1_s8_gpr(i8* %addr) { ret void }

  define void @load_s64_fpr(i64* %addr) { ret void }
  define void @load_s32_fpr(i32* %addr) { ret void }
  define void @load_s16_fpr(i16* %addr) { ret void }
  define void @load_s8_fpr(i8* %addr) { ret void }

  define void @load_gep_8_s64_fpr(i64* %addr) { ret void }
  define void @load_gep_16_s32_fpr(i32* %addr) { ret void }
  define void @load_gep_64_s16_fpr(i16* %addr) { ret void }
  define void @load_gep_32_s8_fpr(i8* %addr) { ret void }

...

---
# CHECK-LABEL: name: load_s64_gpr
name:            load_s64_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr64 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRXui %0, 0 :: (load 8 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_LOAD  %0 :: (load 8 from %ir.addr)
    %x0 = COPY %1(s64)
...

---
# CHECK-LABEL: name: load_s32_gpr
name:            load_s32_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRWui %0, 0 :: (load 4 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s32) = G_LOAD  %0 :: (load 4 from %ir.addr)
    %w0 = COPY %1(s32)
...

---
# CHECK-LABEL: name: load_s16_gpr
name:            load_s16_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRHHui %0, 0 :: (load 2 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s16) = G_LOAD  %0 :: (load 2 from %ir.addr)
    %w0 = COPY %1(s16)
...

---
# CHECK-LABEL: name: load_s8_gpr
name:            load_s8_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRBBui %0, 0 :: (load 1 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s8) = G_LOAD  %0 :: (load 1 from %ir.addr)
    %w0 = COPY %1(s8)
...

---
# CHECK-LABEL: name: load_fi_s64_gpr
name:            load_fi_s64_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr }
# CHECK-NEXT:  - { id: 1, class: gpr64 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }

stack:
  - { id: 0, name: ptr0, offset: 0, size: 8, alignment: 8 }

# CHECK:  body:
# CHECK: %1 = LDRXui %stack.0.ptr0, 0 :: (load 8)
# CHECK: %x0 = COPY %1
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = G_FRAME_INDEX %stack.0.ptr0
    %1(s64) = G_LOAD %0 :: (load 8)
    %x0 = COPY %1(s64)
...

---
# CHECK-LABEL: name: load_gep_128_s64_gpr
name:            load_gep_128_s64_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: gpr64 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRXui %0, 16 :: (load 8 from %ir.addr)
# CHECK: %x0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 128
    %2(p0) = G_GEP %0, %1
    %3(s64) = G_LOAD %2 :: (load 8 from %ir.addr)
    %x0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_512_s32_gpr
name:            load_gep_512_s32_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRWui %0, 128 :: (load 4 from %ir.addr)
# CHECK: %w0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 512
    %2(p0) = G_GEP %0, %1
    %3(s32) = G_LOAD %2 :: (load 4 from %ir.addr)
    %w0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_64_s16_gpr
name:            load_gep_64_s16_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRHHui %0, 32 :: (load 2 from %ir.addr)
# CHECK: %w0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 64
    %2(p0) = G_GEP %0, %1
    %3(s16) = G_LOAD %2 :: (load 2 from %ir.addr)
    %w0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_1_s8_gpr
name:            load_gep_1_s8_gpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: gpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: gpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRBBui %0, 1 :: (load 1 from %ir.addr)
# CHECK: %w0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 1
    %2(p0) = G_GEP %0, %1
    %3(s8) = G_LOAD %2 :: (load 1 from %ir.addr)
    %w0 = COPY %3
...

---
# CHECK-LABEL: name: load_s64_fpr
name:            load_s64_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: fpr64 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRDui %0, 0 :: (load 8 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_LOAD  %0 :: (load 8 from %ir.addr)
    %d0 = COPY %1(s64)
...

---
# CHECK-LABEL: name: load_s32_fpr
name:            load_s32_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: fpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRSui %0, 0 :: (load 4 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s32) = G_LOAD  %0 :: (load 4 from %ir.addr)
    %s0 = COPY %1(s32)
...

---
# CHECK-LABEL: name: load_s16_fpr
name:            load_s16_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: fpr16 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRHui %0, 0 :: (load 2 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s16) = G_LOAD  %0 :: (load 2 from %ir.addr)
    %h0 = COPY %1(s16)
...

---
# CHECK-LABEL: name: load_s8_fpr
name:            load_s8_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: fpr8 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %1 = LDRBui %0, 0 :: (load 1 from %ir.addr)
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s8) = G_LOAD  %0 :: (load 1 from %ir.addr)
    %b0 = COPY %1(s8)
...

---
# CHECK-LABEL: name: load_gep_8_s64_fpr
name:            load_gep_8_s64_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: fpr64 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRDui %0, 1 :: (load 8 from %ir.addr)
# CHECK: %d0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 8
    %2(p0) = G_GEP %0, %1
    %3(s64) = G_LOAD %2 :: (load 8 from %ir.addr)
    %d0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_16_s32_fpr
name:            load_gep_16_s32_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: fpr32 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRSui %0, 4 :: (load 4 from %ir.addr)
# CHECK: %s0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 16
    %2(p0) = G_GEP %0, %1
    %3(s32) = G_LOAD %2 :: (load 4 from %ir.addr)
    %s0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_64_s16_fpr
name:            load_gep_64_s16_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: fpr16 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRHui %0, 32 :: (load 2 from %ir.addr)
# CHECK: %h0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 64
    %2(p0) = G_GEP %0, %1
    %3(s16) = G_LOAD %2 :: (load 2 from %ir.addr)
    %h0 = COPY %3
...

---
# CHECK-LABEL: name: load_gep_32_s8_fpr
name:            load_gep_32_s8_fpr
legalized:       true
regBankSelected: true

# CHECK:      registers:
# CHECK-NEXT:  - { id: 0, class: gpr64sp }
# CHECK-NEXT:  - { id: 1, class: gpr }
# CHECK-NEXT:  - { id: 2, class: gpr }
# CHECK-NEXT:  - { id: 3, class: fpr8 }
registers:
  - { id: 0, class: gpr }
  - { id: 1, class: gpr }
  - { id: 2, class: gpr }
  - { id: 3, class: fpr }

# CHECK:  body:
# CHECK: %0 = COPY %x0
# CHECK: %3 = LDRBui %0, 32 :: (load 1 from %ir.addr)
# CHECK: %b0 = COPY %3
body:             |
  bb.0:
    liveins: %x0

    %0(p0) = COPY %x0
    %1(s64) = G_CONSTANT i64 32
    %2(p0) = G_GEP %0, %1
    %3(s8) = G_LOAD %2 :: (load 1 from %ir.addr)
    %b0 = COPY %3
...