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llvm-mirror/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-extract.mir
Matt Arsenault 0a8ccf78d5 GlobalISel: Partially implement lower for G_EXTRACT
Turn into shift and truncate. Doesn't yet handle pointers.

llvm-svn: 373838
2019-10-06 01:37:35 +00:00

473 lines
15 KiB
YAML

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck %s
---
name: extract_s32_merge_s64_s32_s32_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s64_s32_s32_offset0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C]](s32)
; CHECK: $vgpr0 = COPY [[COPY]](s32)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s64) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 0
$vgpr0 = COPY %3
...
---
name: extract_s32_merge_s64_s32_s32_offset32
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s64_s32_s32_offset32
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: $vgpr0 = COPY [[COPY]](s32)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s64) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 32
$vgpr0 = COPY %3
...
---
name: extract_s64_merge_s128_s64_s64_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_merge_s128_s64_s64_offset0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY [[C]](s64)
; CHECK: $vgpr0_vgpr1 = COPY [[COPY]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s64) = G_EXTRACT %2, 0
$vgpr0_vgpr1 = COPY %3
...
---
name: extract_s64_merge_s128_s64_s64_offset64
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_merge_s128_s64_s64_offset64
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY [[C1]](s64)
; CHECK: $vgpr0_vgpr1 = COPY [[COPY]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s64) = G_EXTRACT %2, 64
$vgpr0_vgpr1 = COPY %3
...
---
name: extract_s32_merge_s128_s64_s64_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s128_s64_s64_offset0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[C]](s64), 0
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 0
$vgpr0 = COPY %3
...
---
name: extract_s32_merge_s128_s64_s64_offset32
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s128_s64_s64_offset32
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[C]](s64), 32
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 32
$vgpr0 = COPY %3
...
---
name: extract_s32_merge_s128_s64_s64_offset64
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s128_s64_s64_offset64
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[C1]](s64), 0
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 64
$vgpr0 = COPY %3
...
---
name: extract_s32_merge_s128_s64_s64_offset96
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s128_s64_s64_offset96
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[C1]](s64), 32
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 96
$vgpr0 = COPY %3
...
# Destination size fits, but is skewed from the start of the register.
---
name: extract_s16_merge_s128_s64_s64_offset18
body: |
bb.0:
; CHECK-LABEL: name: extract_s16_merge_s128_s64_s64_offset18
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s16) = G_EXTRACT [[C]](s64), 18
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT]](s16)
; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s16) = G_EXTRACT %2, 18
%4:_(s32) = G_ANYEXT %3
$vgpr0 = COPY %4
...
# Destination size fits, but is skewed from the start of the register.
---
name: extract_s16_merge_s128_s64_s64_offset82
body: |
bb.0:
; CHECK-LABEL: name: extract_s16_merge_s128_s64_s64_offset82
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s16) = G_EXTRACT [[C1]](s64), 18
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT]](s16)
; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s16) = G_EXTRACT %2, 82
%4:_(s32) = G_ANYEXT %3
$vgpr0 = COPY %4
...
# Can't handle this since it spans two registers
---
name: extract_s64_merge_s128_s64_s64_offset32
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_merge_s128_s64_s64_offset32
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[MV:%[0-9]+]]:_(s128) = G_MERGE_VALUES [[C]](s64), [[C1]](s64)
; CHECK: [[EXTRACT:%[0-9]+]]:_(s64) = G_EXTRACT [[MV]](s128), 32
; CHECK: $vgpr0_vgpr1 = COPY [[EXTRACT]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(s128) = G_MERGE_VALUES %0, %1
%3:_(s64) = G_EXTRACT %2, 32
$vgpr0_vgpr1 = COPY %3
...
# Only the last bit spans to another register
---
name: extract_s16_merge_s32_s32_offset1
body: |
bb.0:
; CHECK-LABEL: name: extract_s16_merge_s32_s32_offset1
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[C]](s32), [[C1]](s32)
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[MV]](s64), 1
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s64) = G_MERGE_VALUES %0, %1
%3:_(s32) = G_EXTRACT %2, 1
$vgpr0 = COPY %3
...
# Test with some merges with 3 operands
---
name: extract_s32_merge_s96_s32_s32_s32_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s96_s32_s32_s32_offset0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C]](s32)
; CHECK: $vgpr0 = COPY [[COPY]](s32)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s32) = G_CONSTANT i32 1
%3:_(s96) = G_MERGE_VALUES %0, %1, %2
%4:_(s32) = G_EXTRACT %3, 0
$vgpr0 = COPY %4
...
---
name: extract_s32_merge_s96_s32_s32_s32_offset64
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_merge_s96_s32_s32_s32_offset64
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
; CHECK: $vgpr0 = COPY [[COPY]](s32)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s32) = G_CONSTANT i32 1
%3:_(s96) = G_MERGE_VALUES %0, %1, %2
%4:_(s32) = G_EXTRACT %3, 64
$vgpr0 = COPY %4
...
---
name: extract_s64_merge_s96_s32_s32_s32_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_merge_s96_s32_s32_s32_offset0
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[MV:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[C]](s32), [[C1]](s32), [[C2]](s32)
; CHECK: [[EXTRACT:%[0-9]+]]:_(s64) = G_EXTRACT [[MV]](s96), 0
; CHECK: $vgpr0_vgpr1 = COPY [[EXTRACT]](s64)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s32) = G_CONSTANT i32 1
%3:_(s96) = G_MERGE_VALUES %0, %1, %2
%4:_(s64) = G_EXTRACT %3, 0
$vgpr0_vgpr1 = COPY %4
...
---
name: extract_s64_merge_s96_s32_s32_s32_offset32
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_merge_s96_s32_s32_s32_offset32
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; CHECK: [[MV:%[0-9]+]]:_(s96) = G_MERGE_VALUES [[C]](s32), [[C1]](s32), [[C2]](s32)
; CHECK: [[EXTRACT:%[0-9]+]]:_(s64) = G_EXTRACT [[MV]](s96), 32
; CHECK: $vgpr0_vgpr1 = COPY [[EXTRACT]](s64)
%0:_(s32) = G_CONSTANT i32 0
%1:_(s32) = G_CONSTANT i32 1
%2:_(s32) = G_CONSTANT i32 1
%3:_(s96) = G_MERGE_VALUES %0, %1, %2
%4:_(s64) = G_EXTRACT %3, 32
$vgpr0_vgpr1 = COPY %4
...
# Test build_vector sources
---
name: extract_s64_build_vector_v2s64_s64_s64_offset0
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_build_vector_v2s64_s64_s64_offset0
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY [[C]](s64)
; CHECK: $vgpr0_vgpr1 = COPY [[COPY]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(<2 x s64>) = G_BUILD_VECTOR %0, %1
%3:_(s64) = G_EXTRACT %2, 0
$vgpr0_vgpr1 = COPY %3
...
---
name: extract_s64_build_vector_v2s64_s64_s64_offset64
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_build_vector_v2s64_s64_s64_offset64
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY [[C1]](s64)
; CHECK: $vgpr0_vgpr1 = COPY [[COPY]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(<2 x s64>) = G_BUILD_VECTOR %0, %1
%3:_(s64) = G_EXTRACT %2, 64
$vgpr0_vgpr1 = COPY %3
...
---
name: extract_s64_build_vector_v2s64_s64_s64_offset32
body: |
bb.0:
; CHECK-LABEL: name: extract_s64_build_vector_v2s64_s64_s64_offset32
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[C]](s64), [[C1]](s64)
; CHECK: [[EXTRACT:%[0-9]+]]:_(s64) = G_EXTRACT [[BUILD_VECTOR]](<2 x s64>), 32
; CHECK: $vgpr0_vgpr1 = COPY [[EXTRACT]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(<2 x s64>) = G_BUILD_VECTOR %0, %1
%3:_(s64) = G_EXTRACT %2, 32
$vgpr0_vgpr1 = COPY %3
...
# Test extracting something smaller than the element size
---
name: extract_s32_build_vector_v2s64_s64_s64_offset64
body: |
bb.0:
; CHECK-LABEL: name: extract_s32_build_vector_v2s64_s64_s64_offset64
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[C1]](s64), 0
; CHECK: $vgpr0 = COPY [[EXTRACT]](s32)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s64) = G_CONSTANT i64 1
%2:_(<2 x s64>) = G_BUILD_VECTOR %0, %1
%3:_(s32) = G_EXTRACT %2, 64
$vgpr0 = COPY %3
...
# Test concat_vector sources
---
name: extract_v2s16_build_vector_v2s64_v2s16_v2s16_offset0
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: extract_v2s16_build_vector_v2s64_v2s16_v2s16_offset0
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s16>) = COPY [[COPY]](<2 x s16>)
; CHECK: $vgpr0 = COPY [[COPY2]](<2 x s16>)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = COPY $vgpr1
%2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
%3:_(<2 x s16>) = G_EXTRACT %2, 0
$vgpr0 = COPY %3
...
---
name: extract_v2s16_build_vector_v2s64_v2s16_v2s16_offset32
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: extract_v2s16_build_vector_v2s64_v2s16_v2s16_offset32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s16>) = COPY [[COPY1]](<2 x s16>)
; CHECK: $vgpr0 = COPY [[COPY2]](<2 x s16>)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = COPY $vgpr1
%2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
%3:_(<2 x s16>) = G_EXTRACT %2, 32
$vgpr0 = COPY %3
...
# Test extracting only a single element, not a subvector
---
name: extract_s16_build_vector_v2s64_v2s16_v2s16_offset32
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: extract_s16_build_vector_v2s64_v2s16_v2s16_offset32
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
; CHECK: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
; CHECK: $vgpr0 = COPY [[COPY2]](s32)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = COPY $vgpr1
%2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
%3:_(s16) = G_EXTRACT %2, 32
%4:_(s32) = G_ANYEXT %3
$vgpr0 = COPY %4
...
---
name: extract_s16_build_vector_v2s64_v2s16_v2s16_offset48
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: extract_s16_build_vector_v2s64_v2s16_v2s16_offset48
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
; CHECK: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY1]](<2 x s16>)
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
; CHECK: $vgpr0 = COPY [[COPY2]](s32)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = COPY $vgpr1
%2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
%3:_(s16) = G_EXTRACT %2, 48
%4:_(s32) = G_ANYEXT %3
$vgpr0 = COPY %4
...
# Test extracting less than an element
---
name: extract_s8_build_vector_v2s64_v2s16_v2s16_offset48
body: |
bb.0:
liveins: $vgpr0, $vgpr1
; CHECK-LABEL: name: extract_s8_build_vector_v2s64_v2s16_v2s16_offset48
; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
; CHECK: [[EXTRACT:%[0-9]+]]:_(s8) = G_EXTRACT [[COPY1]](<2 x s16>), 16
; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT]](s8)
; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
%0:_(<2 x s16>) = COPY $vgpr0
%1:_(<2 x s16>) = COPY $vgpr1
%2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
%3:_(s8) = G_EXTRACT %2, 48
%4:_(s32) = G_ANYEXT %3
$vgpr0 = COPY %4
...