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1; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a < %s | FileCheck -enable-var-scope -check-prefix=GCN %s2 3; Check that register coalescer does not create an odd subreg when register tuples4; must be aligned.5 6; GCN-LABEL: {{^}}test_odd_int4:7; GCN: global_load_dwordx4 v[{{[0-9]*[02468]:[0-9]*[13579]}}], v{{[0-9]+}}, s[{{[0-9:]+}}]8; GCN-NEXT: s_waitcnt9; GCN-NEXT: v_mov_b32_e32 v{{[0-9]*}}[[LO:[02468]]], v{{[0-9]+}}10; GCN-NEXT: global_store_dwordx2 v{{[0-9]+}}, v[[[LO]]:{{[0-9]+\]}}, s[{{[0-9:]+}}]11 12define amdgpu_kernel void @test_odd_int4(ptr addrspace(1) %arg, ptr addrspace(1) %arg1) #0 {13bb:14 %lid = tail call i32 @llvm.amdgcn.workitem.id.x()15 %gep1 = getelementptr inbounds <4 x i32>, ptr addrspace(1) %arg, i32 %lid16 %load = load <4 x i32>, ptr addrspace(1) %gep1, align 1617 %shuffle = shufflevector <4 x i32> %load, <4 x i32> poison, <2 x i32> <i32 1, i32 3>18 %gep2 = getelementptr inbounds <2 x i32>, ptr addrspace(1) %arg1, i32 %lid19 store <2 x i32> %shuffle, ptr addrspace(1) %gep2, align 820 ret void21}22 23; GCN-LABEL: {{^}}test_vector_creation:24; GCN: global_load_dwordx2 v[{{[0-9]*[02468]}}:{{[0-9]+}}],25; GCN-DAG: v_mov_b32_e32 v{{[0-9]*}}[[LO:[02468]]], v{{[0-9]+}}26; GCN: global_store_dwordx4 v[{{[0-9]*[02468]:[0-9]*[13579]}}], v[{{[0-9]*[02468]:[0-9]*[13579]}}]27define amdgpu_kernel void @test_vector_creation() #0 {28entry:29 %tmp231 = load <4 x i16>, ptr addrspace(1) poison, align 230 %vext466 = shufflevector <4 x i16> %tmp231, <4 x i16> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison>31 %vecinit467 = shufflevector <8 x i16> poison, <8 x i16> %vext466, <8 x i32> <i32 0, i32 1, i32 8, i32 9, i32 10, i32 11, i32 poison, i32 poison>32 %vecinit471 = shufflevector <8 x i16> %vecinit467, <8 x i16> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 8, i32 9>33 store <8 x i16> %vecinit471, ptr addrspace(1) poison, align 1634 ret void35}36 37declare i32 @llvm.amdgcn.workitem.id.x()38 39attributes #0 = { nounwind "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" }40