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2e48864110
Try to avoid mutually exclusive features. Don't use a real default GPU, and use a fake "generic". The goal is to make it easier to see which set of features are incompatible between feature strings. Most of the test changes are due to random scheduling changes from not having a default fullspeed model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310258 91177308-0d34-0410-b5e6-96231b3b80d8
85 lines
3.8 KiB
LLVM
85 lines
3.8 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; Test that when extracting the same unknown vector index from an
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; insertelement the dynamic indexing is folded away.
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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; No dynamic indexing required
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; GCN-LABEL: {{^}}extract_insert_same_dynelt_v4i32:
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; GCN: s_load_dword [[VAL:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd{{$}}
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; GCN-NOT buffer_load_dword
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; GCN-NOT: [[VAL]]
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; GCN: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN-NOT: [[VVAL]]
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; GCN: buffer_store_dword [[VVAL]]
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define amdgpu_kernel void @extract_insert_same_dynelt_v4i32(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %val, i32 %idx) #1 {
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%id.ext = sext i32 %id to i64
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%gep.in = getelementptr inbounds <4 x i32>, <4 x i32> addrspace(1)* %in, i64 %id.ext
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%gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 %id.ext
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%vec = load <4 x i32>, <4 x i32> addrspace(1)* %gep.in
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%insert = insertelement <4 x i32> %vec, i32 %val, i32 %idx
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%extract = extractelement <4 x i32> %insert, i32 %idx
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store i32 %extract, i32 addrspace(1)* %gep.out
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ret void
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}
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; GCN-LABEL: {{^}}extract_insert_different_dynelt_v4i32:
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; GCN: buffer_load_dwordx4
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; GCN: v_movreld_b32
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; GCN: v_movrels_b32
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; GCN: buffer_store_dword v
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define amdgpu_kernel void @extract_insert_different_dynelt_v4i32(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %val, i32 %idx0, i32 %idx1) #1 {
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%id.ext = sext i32 %id to i64
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%gep.in = getelementptr inbounds <4 x i32>, <4 x i32> addrspace(1)* %in, i64 %id.ext
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%gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 %id.ext
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%vec = load <4 x i32>, <4 x i32> addrspace(1)* %gep.in
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%insert = insertelement <4 x i32> %vec, i32 %val, i32 %idx0
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%extract = extractelement <4 x i32> %insert, i32 %idx1
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store i32 %extract, i32 addrspace(1)* %gep.out
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ret void
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}
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; GCN-LABEL: {{^}}extract_insert_same_elt2_v4i32:
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; GCN: s_load_dword [[VAL:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd{{$}}
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; GCN-NOT buffer_load_dword
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; GCN-NOT: [[VAL]]
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; GCN: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN-NOT: [[VVAL]]
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; GCN: buffer_store_dword [[VVAL]]
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define amdgpu_kernel void @extract_insert_same_elt2_v4i32(i32 addrspace(1)* %out, <4 x i32> addrspace(1)* %in, i32 %val, i32 %idx) #1 {
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%id.ext = sext i32 %id to i64
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%gep.in = getelementptr inbounds <4 x i32>, <4 x i32> addrspace(1)* %in, i64 %id.ext
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%gep.out = getelementptr inbounds i32, i32 addrspace(1)* %out, i64 %id.ext
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%vec = load <4 x i32>, <4 x i32> addrspace(1)* %gep.in
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%insert = insertelement <4 x i32> %vec, i32 %val, i32 %idx
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%extract = extractelement <4 x i32> %insert, i32 %idx
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store i32 %extract, i32 addrspace(1)* %gep.out
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ret void
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}
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; GCN-LABEL: {{^}}extract_insert_same_dynelt_v4f32:
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; GCN: s_load_dword [[VAL:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xd{{$}}
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; GCN-NOT buffer_load_dword
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; GCN-NOT: [[VAL]]
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; GCN: v_mov_b32_e32 [[VVAL:v[0-9]+]], [[VAL]]
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; GCN-NOT: [[VVAL]]
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; GCN: buffer_store_dword [[VVAL]]
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define amdgpu_kernel void @extract_insert_same_dynelt_v4f32(float addrspace(1)* %out, <4 x float> addrspace(1)* %in, float %val, i32 %idx) #1 {
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%id = call i32 @llvm.amdgcn.workitem.id.x()
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%id.ext = sext i32 %id to i64
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%gep.in = getelementptr inbounds <4 x float>, <4 x float> addrspace(1)* %in, i64 %id.ext
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%gep.out = getelementptr inbounds float, float addrspace(1)* %out, i64 %id.ext
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%vec = load volatile <4 x float>, <4 x float> addrspace(1)* %gep.in
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%insert = insertelement <4 x float> %vec, float %val, i32 %idx
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%extract = extractelement <4 x float> %insert, i32 %idx
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store float %extract, float addrspace(1)* %gep.out
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ret void
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}
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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