legalize-store.mir 14.7 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -O0 -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck -check-prefix=SI %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck -check-prefix=VI %s
---
name: test_store_global_i32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; SI-LABEL: name: test_store_global_i32
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; SI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, addrspace 1)
    ; VI-LABEL: name: test_store_global_i32
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; VI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = COPY $vgpr2
    G_STORE %1, %0 :: (store 4, addrspace 1)
...

---
name: test_store_global_i64
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_store_global_i64
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; SI: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, addrspace 1)
    ; VI-LABEL: name: test_store_global_i64
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; VI: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 8, addrspace 1)
...

---
name: test_store_global_p1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_store_global_p1
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr2_vgpr3
    ; SI: G_STORE [[COPY1]](p1), [[COPY]](p1) :: (store 8, addrspace 1)
    ; VI-LABEL: name: test_store_global_p1
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr2_vgpr3
    ; VI: G_STORE [[COPY1]](p1), [[COPY]](p1) :: (store 8, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(p1) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 8, addrspace 1)
...

---
name: test_store_global_p4
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_store_global_p4
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(p4) = COPY $vgpr2_vgpr3
    ; SI: G_STORE [[COPY1]](p4), [[COPY]](p1) :: (store 8, addrspace 1)
    ; VI-LABEL: name: test_store_global_p4
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(p4) = COPY $vgpr2_vgpr3
    ; VI: G_STORE [[COPY1]](p4), [[COPY]](p1) :: (store 8, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(p4) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 8, addrspace 1)
...

---
name: test_store_global_p3
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; SI-LABEL: name: test_store_global_p3
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
    ; SI: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, addrspace 1)
    ; VI-LABEL: name: test_store_global_p3
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
    ; VI: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(p3) = COPY $vgpr2
    G_STORE %1, %0 :: (store 4, addrspace 1)
...

---
name: test_store_global_v2s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_store_global_v2s32
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; SI: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, addrspace 1)
    ; VI-LABEL: name: test_store_global_v2s32
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
    ; VI: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 8, addrspace 1)
...

---
name: test_store_global_v2s16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; SI-LABEL: name: test_store_global_v2s16
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr2
    ; SI: G_STORE [[COPY1]](<2 x s16>), [[COPY]](p1) :: (store 4, addrspace 1)
    ; VI-LABEL: name: test_store_global_v2s16
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr2
    ; VI: G_STORE [[COPY1]](<2 x s16>), [[COPY]](p1) :: (store 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s16>) = COPY $vgpr2
    G_STORE %1, %0 :: (store 4, addrspace 1)
...

---
name: test_store_global_v3s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4

    ; SI-LABEL: name: test_store_global_v3s32
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
    ; SI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
    ; VI-LABEL: name: test_store_global_v3s32
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
    ; VI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
    G_STORE %1, %0 :: (store 12, align 4, addrspace 1)
...

---
name: test_truncstore_global_s64_to_s8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_truncstore_global_s64_to_s8
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; SI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    ; VI-LABEL: name: test_truncstore_global_s64_to_s8
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; VI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 1, addrspace 1)
...

---
name: test_truncstore_global_s64_to_s16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_truncstore_global_s64_to_s16
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; SI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    ; VI-LABEL: name: test_truncstore_global_s64_to_s16
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; VI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 1, addrspace 1)
...

---
name: test_truncstore_global_s64_to_s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3

    ; SI-LABEL: name: test_truncstore_global_s64_to_s32
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; SI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, addrspace 1)
    ; VI-LABEL: name: test_truncstore_global_s64_to_s32
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
    ; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64)
    ; VI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s64) = COPY $vgpr2_vgpr3
    G_STORE %1, %0 :: (store 4, addrspace 1)
...

---
name: test_truncstore_global_s128_to_s16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5

    ; SI-LABEL: name: test_truncstore_global_s128_to_s16
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
    ; SI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
    ; VI-LABEL: name: test_truncstore_global_s128_to_s16
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
    ; VI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    G_STORE %1, %0 :: (store 2, addrspace 1)
...

---
name: test_truncstore_global_s128_to_s8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5

    ; SI-LABEL: name: test_truncstore_global_s128_to_s8
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; SI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
    ; SI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    ; VI-LABEL: name: test_truncstore_global_s128_to_s8
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; VI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s128)
    ; VI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    G_STORE %1, %0 :: (store 1, addrspace 1)
...

name: test_store_global_i1
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = COPY $vgpr2
    %2:_(s1) = G_TRUNC %1
    G_STORE %2, %0 :: (store 1, addrspace 1)
...

---
name: test_store_global_i8
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; SI-LABEL: name: test_store_global_i8
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
    ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    ; VI-LABEL: name: test_store_global_i8
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
    ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = COPY $vgpr2
    %2:_(s8) = G_TRUNC %1
    G_STORE %2, %0 :: (store 1, addrspace 1)
...

---
name: test_store_global_i16
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2

    ; SI-LABEL: name: test_store_global_i16
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
    ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
    ; VI-LABEL: name: test_store_global_i16
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
    ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
    ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s32) = COPY $vgpr2
    %2:_(s16) = G_TRUNC %1
    G_STORE %2, %0 :: (store 2, addrspace 1)
...

---
name: test_store_global_96
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2, $vgpr3_vgpr4

    ; SI-LABEL: name: test_store_global_96
    ; SI: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    ; SI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr3_vgpr4
    ; SI: G_STORE [[COPY]](s96), [[COPY1]](p1) :: (store 12, align 16, addrspace 1)
    ; VI-LABEL: name: test_store_global_96
    ; VI: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    ; VI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr3_vgpr4
    ; VI: G_STORE [[COPY]](s96), [[COPY1]](p1) :: (store 12, align 16, addrspace 1)
    %0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
    %1:_(p1) = COPY $vgpr3_vgpr4

    G_STORE %0, %1 :: (store 12, addrspace 1, align 16)
...

---
name: test_store_global_i128
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5

    ; SI-LABEL: name: test_store_global_i128
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; SI: G_STORE [[COPY1]](s128), [[COPY]](p1) :: (store 16, addrspace 1)
    ; VI-LABEL: name: test_store_global_i128
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; VI: G_STORE [[COPY1]](s128), [[COPY]](p1) :: (store 16, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    G_STORE %1, %0 :: (store 16, addrspace 1)
...

---
name: test_store_global_v2s64
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5

    ; SI-LABEL: name: test_store_global_v2s64
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; SI: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, addrspace 1)
    ; VI-LABEL: name: test_store_global_v2s64
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    ; VI: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
    G_STORE %1, %0 :: (store 16, addrspace 1)

...

---
name: test_store_global_v3s8_align4
body: |
  bb.0:
    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5

    ; SI-LABEL: name: test_store_global_v3s8_align4
    ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; SI: [[DEF:%[0-9]+]]:_(<3 x s8>) = G_IMPLICIT_DEF
    ; SI: [[DEF1:%[0-9]+]]:_(<4 x s8>) = G_IMPLICIT_DEF
    ; SI: [[ANYEXT:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[DEF1]](<4 x s8>)
    ; SI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[ANYEXT]], [[DEF]](<3 x s8>), 0
    ; SI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[INSERT]](<4 x s16>)
    ; SI: G_STORE [[TRUNC]](<4 x s8>), [[COPY]](p1) :: (store 3, align 4, addrspace 1)
    ; VI-LABEL: name: test_store_global_v3s8_align4
    ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
    ; VI: [[DEF:%[0-9]+]]:_(<3 x s8>) = G_IMPLICIT_DEF
    ; VI: [[DEF1:%[0-9]+]]:_(<4 x s8>) = G_IMPLICIT_DEF
    ; VI: [[ANYEXT:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[DEF1]](<4 x s8>)
    ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[ANYEXT]], [[DEF]](<3 x s8>), 0
    ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[INSERT]](<4 x s16>)
    ; VI: G_STORE [[TRUNC]](<4 x s8>), [[COPY]](p1) :: (store 3, align 4, addrspace 1)
    %0:_(p1) = COPY $vgpr0_vgpr1
    %1:_(<3 x s8>) = G_IMPLICIT_DEF
    G_STORE %1, %0 :: (store 3, addrspace 1, align 4)

...