llvm-project/llvm/test/CodeGen/AMDGPU/merge-image-sample.mir

# RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass si-load-store-opt -o - %s | FileCheck -check-prefix=GFX9 %s

# GFX9-LABEL: name: image_sample_l_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_l_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_merged_v1v3_reversed
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub3
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub0_sub1_sub2

name: image_sample_l_merged_v1v3_reversed
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_merged_v2v2
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_64 = COPY %8.sub0_sub1
# GFX9: %{{[0-9]+}}:vreg_64 = COPY killed %8.sub2_sub3

name: image_sample_l_merged_v2v2
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 3, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 8, align 16, addrspace 4)
    %7:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 12, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 8, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_merged_v2v2_reversed
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_64 = COPY %8.sub2_sub3
# GFX9: %{{[0-9]+}}:vreg_64 = COPY killed %8.sub0_sub1

name: image_sample_l_merged_v2v2_reversed
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 12, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 8, align 16, addrspace 4)
    %7:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 3, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 8, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_merged_v3v1
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = COPY %8.sub0_sub1_sub2
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY killed %8.sub3

name: image_sample_l_merged_v3v1
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
    %7:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_merged_v3v1_reversed
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = COPY %8.sub1_sub2_sub3
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY killed %8.sub0

name: image_sample_l_merged_v3v1_reversed
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
    %7:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_divided_merged
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)

name: image_sample_l_divided_merged
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %8:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %9:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %7:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
    %10:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %11:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_divided_not_merged
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_divided_not_merged
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vreg_128 = COPY %2
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    IMAGE_STORE_V4_V4 %4:vreg_128, %5:vreg_128, %3:sgpr_256, 15, -1, 0, 0, 0, 0, 0, 0, implicit $exec :: (store 16)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_dmask_overlapped_not_merged
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 4, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_dmask_overlapped_not_merged
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 4, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_dmask_not_disjoint_not_merged
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 4, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 11, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_dmask_not_disjoint_not_merged
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 4, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 11, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_0
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_0
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 1, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %7:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %8:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_1
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %6, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %4, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_1
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %5:vgpr_32 = COPY %2.sub3
    %6:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %7:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %6, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %8:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %4, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_2
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %6, %4, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %4, %3, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_2
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_128 = COPY $sgpr92_sgpr93_sgpr94_sgpr95
    %4:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %5:vgpr_32 = COPY %2.sub3
    %6:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %7:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %6, %4, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %8:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %6, %4, %3, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_3
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 1, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 1, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_4
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 1, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_4
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 1, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_5
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 1, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_5
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 1, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_6
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 1, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_6
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 1, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_7
# GFX9: %{{[0-9]+}}:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5, %3, %2, 8, 0, 0, 0, 1, 0, -1, 0, implicit $exec :: (dereferenceable load 8, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_7
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5, %3, %2, 8, 0, 0, 0, 1, 0, -1, 0, implicit $exec :: (dereferenceable load 8, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_8
# GFX9: %{{[0-9]+}}:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5, %3, %2, 8, 0, 0, 0, 0, 1, -1, 0, implicit $exec :: (dereferenceable load 8, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_8
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vreg_64 = IMAGE_SAMPLE_L_V2_V4 %5, %3, %2, 8, 0, 0, 0, 0, 1, -1, 0, implicit $exec :: (dereferenceable load 8, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_9
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_9
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_not_merged_10
# GFX9: %{{[0-9]+}}:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 1, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)

name: image_sample_l_not_merged_10
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_V1_V4 %5, %3, %2, 8, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_V3_V4 %5, %3, %2, 7, 0, 0, 0, 0, 0, -1, 1, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_b_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_B_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_b_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_B_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_B_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_b_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_B_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_b_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_B_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_B_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_b_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_B_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_b_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_B_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_B_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_b_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_B_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_b_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_B_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_B_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cd_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CD_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cd_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CD_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CD_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cd_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CD_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cd_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CD_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CD_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cd_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CD_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cd_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CD_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CD_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cd_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CD_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cd_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CD_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CD_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_b_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_B_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_b_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_B_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_B_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_b_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_B_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_b_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_B_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_B_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_b_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_B_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_b_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_B_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_B_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_b_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_B_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_b_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_B_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_B_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cd_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CD_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cd_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CD_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CD_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cd_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CD_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cd_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CD_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CD_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cd_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CD_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cd_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CD_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CD_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cd_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CD_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cd_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CD_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CD_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_d_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_D_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_d_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_D_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_D_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_d_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_D_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_d_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_D_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_D_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_d_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_D_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_d_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_D_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_D_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_d_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_D_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_d_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_D_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_D_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_l_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_L_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_l_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_L_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_L_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_lz_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_LZ_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_lz_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_LZ_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_LZ_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_lz_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_LZ_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_lz_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_LZ_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_LZ_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_l_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_L_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_l_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_L_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_L_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_c_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_C_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_c_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_C_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_C_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_d_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_D_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_d_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_D_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_D_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_d_cl_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_D_CL_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_d_cl_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_D_CL_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_D_CL_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_d_cl_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_D_CL_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_d_cl_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_D_CL_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_D_CL_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_d_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_D_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_d_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_D_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_D_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_lz_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_LZ_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_lz_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_LZ_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_LZ_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_lz_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_LZ_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_lz_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_LZ_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_LZ_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_l_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_L_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_l_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_L_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_L_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---

# GFX9-LABEL: name: image_sample_o_merged_v1v3
# GFX9: %{{[0-9]+}}:vreg_128 = IMAGE_SAMPLE_O_V4_V4 %5, %3, %2, 15, 0, 0, 0, 0, 0, -1, 0, implicit $exec, implicit $exec :: (dereferenceable load 16, align 4, addrspace 4)
# GFX9: %{{[0-9]+}}:vgpr_32 = COPY %8.sub0
# GFX9: %{{[0-9]+}}:vreg_96 = COPY killed %8.sub1_sub2_sub3

name: image_sample_o_merged_v1v3
body:             |
  bb.0.entry:
    %0:sgpr_64 = COPY $sgpr0_sgpr1
    %1:sreg_64_xexec = S_LOAD_DWORDX2_IMM %0, 36, 0
    %2:sgpr_128 = COPY $sgpr96_sgpr97_sgpr98_sgpr99
    %3:sgpr_256 = S_LOAD_DWORDX8_IMM %1, 208, 0
    %4:vgpr_32 = COPY %2.sub3
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2:sgpr_128, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16)
    %6:vgpr_32 = IMAGE_SAMPLE_O_V1_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 1, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 4, addrspace 4)
    %7:vreg_96 = IMAGE_SAMPLE_O_V3_V4 %5:vreg_128, %3:sgpr_256, %2:sgpr_128, 14, 0, 0, 0, 0, 0, -1, 0, implicit $exec :: (dereferenceable load 12, align 16, addrspace 4)
...
---