forked from OSchip/llvm-project
626 lines
28 KiB
LLVM
626 lines
28 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -mattr=+load-store-opt < %s | FileCheck -enable-var-scope -strict-whitespace -check-prefixes=GCN,CI %s
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; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -mattr=+load-store-opt,+flat-for-global < %s | FileCheck -enable-var-scope -strict-whitespace -check-prefixes=GCN,GFX9 %s
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; FIXME: We don't get cases where the address was an SGPR because we
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; get a copy to the address register for each one.
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@lds = addrspace(3) global [512 x float] undef, align 4
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@lds.f64 = addrspace(3) global [512 x double] undef, align 8
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; GCN-LABEL: {{^}}simple_read2_f32:
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, v{{[0-9]+}} offset1:8
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; GCN: s_waitcnt lgkmcnt(0)
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; GCN: v_add_f32_e32 [[RESULT:v[0-9]+]], v[[LO_VREG]], v[[HI_VREG]]
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; CI: buffer_store_dword [[RESULT]]
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; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%add.x = add nsw i32 %x.i, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: {{^}}simple_read2_f32_max_offset:
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, v{{[0-9]+}} offset1:255
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; GCN: s_waitcnt lgkmcnt(0)
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; GCN: v_add_f32_e32 [[RESULT:v[0-9]+]], v[[LO_VREG]], v[[HI_VREG]]
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; CI: buffer_store_dword [[RESULT]]
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; GFX9: global_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
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define amdgpu_kernel void @simple_read2_f32_max_offset(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%add.x = add nsw i32 %x.i, 255
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: @simple_read2_f32_too_far
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT ds_read2_b32
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:1028
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_too_far(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%add.x = add nsw i32 %x.i, 257
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: @simple_read2_f32_x2
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset1:8
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_x2(float addrspace(1)* %out) #0 {
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%tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%idx.0 = add nsw i32 %tid.x, 0
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%idx.1 = add nsw i32 %tid.x, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum.0 = fadd float %val0, %val1
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%idx.2 = add nsw i32 %tid.x, 11
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%arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
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%val2 = load float, float addrspace(3)* %arrayidx2, align 4
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%idx.3 = add nsw i32 %tid.x, 27
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%arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
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%val3 = load float, float addrspace(3)* %arrayidx3, align 4
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%sum.1 = fadd float %val2, %val3
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%sum = fadd float %sum.0, %sum.1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; Make sure there is an instruction between the two sets of reads.
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; GCN-LABEL: @simple_read2_f32_x2_barrier
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset1:8
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; GCN: s_barrier
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_x2_barrier(float addrspace(1)* %out) #0 {
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%tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%idx.0 = add nsw i32 %tid.x, 0
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%idx.1 = add nsw i32 %tid.x, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum.0 = fadd float %val0, %val1
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call void @llvm.amdgcn.s.barrier() #2
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%idx.2 = add nsw i32 %tid.x, 11
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%arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
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%val2 = load float, float addrspace(3)* %arrayidx2, align 4
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%idx.3 = add nsw i32 %tid.x, 27
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%arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
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%val3 = load float, float addrspace(3)* %arrayidx3, align 4
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%sum.1 = fadd float %val2, %val3
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%sum = fadd float %sum.0, %sum.1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; For some reason adding something to the base address for the first
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; element results in only folding the inner pair.
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; GCN-LABEL: @simple_read2_f32_x2_nonzero_base
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR:v[0-9]+]] offset0:2 offset1:8
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; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASEADDR]] offset0:11 offset1:27
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_x2_nonzero_base(float addrspace(1)* %out) #0 {
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%tid.x = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%idx.0 = add nsw i32 %tid.x, 2
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.0
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%idx.1 = add nsw i32 %tid.x, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.1
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum.0 = fadd float %val0, %val1
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%idx.2 = add nsw i32 %tid.x, 11
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%arrayidx2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.2
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%val2 = load float, float addrspace(3)* %arrayidx2, align 4
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%idx.3 = add nsw i32 %tid.x, 27
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%arrayidx3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %idx.3
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%val3 = load float, float addrspace(3)* %arrayidx3, align 4
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%sum.1 = fadd float %val2, %val3
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%sum = fadd float %sum.0, %sum.1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %idx.0
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; Be careful of vectors of pointers. We don't know if the 2 pointers
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; in the vectors are really the same base, so this is not safe to
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; merge.
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; Base pointers come from different subregister of same super
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; register. We can't safely merge this.
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; GCN-LABEL: @read2_ptr_is_subreg_arg_f32
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT: ds_read2_b32
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; GCN: ds_read_b32
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; GCN: ds_read_b32
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; GCN: s_endpgm
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define amdgpu_kernel void @read2_ptr_is_subreg_arg_f32(float addrspace(1)* %out, <2 x float addrspace(3)*> %lds.ptr) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%index.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
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%index.1 = insertelement <2 x i32> %index.0, i32 8, i32 0
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%gep = getelementptr inbounds float, <2 x float addrspace(3)*> %lds.ptr, <2 x i32> %index.1
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%gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
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%gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
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%val0 = load float, float addrspace(3)* %gep.0, align 4
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%val1 = load float, float addrspace(3)* %gep.1, align 4
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%add.x = add nsw i32 %x.i, 8
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; Apply a constant scalar offset after the pointer vector extract. We
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; are rejecting merges that have the same, constant 0 offset, so make
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; sure we are really rejecting it because of the different
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; subregisters.
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; GCN-LABEL: @read2_ptr_is_subreg_arg_offset_f32
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT: ds_read2_b32
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; GCN: ds_read_b32
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; GCN: ds_read_b32
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; GCN: s_endpgm
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define amdgpu_kernel void @read2_ptr_is_subreg_arg_offset_f32(float addrspace(1)* %out, <2 x float addrspace(3)*> %lds.ptr) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%index.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
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%index.1 = insertelement <2 x i32> %index.0, i32 8, i32 0
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%gep = getelementptr inbounds float, <2 x float addrspace(3)*> %lds.ptr, <2 x i32> %index.1
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%gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
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%gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
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; Apply an additional offset after the vector that will be more obviously folded.
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%gep.1.offset = getelementptr float, float addrspace(3)* %gep.1, i32 8
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%val0 = load float, float addrspace(3)* %gep.0, align 4
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%val1 = load float, float addrspace(3)* %gep.1.offset, align 4
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%add.x = add nsw i32 %x.i, 8
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: {{^}}read2_ptr_is_subreg_f32:
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN: ds_read2_b32 {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset1:8{{$}}
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; GCN: s_endpgm
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define amdgpu_kernel void @read2_ptr_is_subreg_f32(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%ptr.0 = insertelement <2 x [512 x float] addrspace(3)*> undef, [512 x float] addrspace(3)* @lds, i32 0
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%ptr.1 = insertelement <2 x [512 x float] addrspace(3)*> %ptr.0, [512 x float] addrspace(3)* @lds, i32 1
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%x.i.v.0 = insertelement <2 x i32> undef, i32 %x.i, i32 0
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%x.i.v.1 = insertelement <2 x i32> %x.i.v.0, i32 %x.i, i32 1
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%idx = add <2 x i32> %x.i.v.1, <i32 0, i32 8>
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%gep = getelementptr inbounds [512 x float], <2 x [512 x float] addrspace(3)*> %ptr.1, <2 x i32> <i32 0, i32 0>, <2 x i32> %idx
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%gep.0 = extractelement <2 x float addrspace(3)*> %gep, i32 0
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%gep.1 = extractelement <2 x float addrspace(3)*> %gep, i32 1
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%val0 = load float, float addrspace(3)* %gep.0, align 4
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%val1 = load float, float addrspace(3)* %gep.1, align 4
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%add.x = add nsw i32 %x.i, 8
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: @simple_read2_f32_volatile_0
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT ds_read2_b32
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:32
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_volatile_0(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
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%val0 = load volatile float, float addrspace(3)* %arrayidx0, align 4
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%add.x = add nsw i32 %x.i, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
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%val1 = load float, float addrspace(3)* %arrayidx1, align 4
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; GCN-LABEL: @simple_read2_f32_volatile_1
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT ds_read2_b32
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}}
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; GCN: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:32
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; GCN: s_endpgm
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define amdgpu_kernel void @simple_read2_f32_volatile_1(float addrspace(1)* %out) #0 {
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%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
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%arrayidx0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %x.i
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%val0 = load float, float addrspace(3)* %arrayidx0, align 4
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%add.x = add nsw i32 %x.i, 8
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%arrayidx1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %add.x
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%val1 = load volatile float, float addrspace(3)* %arrayidx1, align 4
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%sum = fadd float %val0, %val1
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%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
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store float %sum, float addrspace(1)* %out.gep, align 4
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ret void
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}
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; Can't fold since not correctly aligned.
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; XXX: This isn't really testing anything useful now. I think CI
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; allows unaligned LDS accesses, which would be a problem here.
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; GCN-LABEL: @unaligned_read2_f32
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; CI-DAG: s_mov_b32 m0
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; GFX9-NOT: m0
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; GCN-NOT: ds_read2_b32
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @unaligned_read2_f32(float addrspace(1)* %out, float addrspace(3)* %lds) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %x.i
|
|
%val0 = load float, float addrspace(3)* %arrayidx0, align 1
|
|
%add.x = add nsw i32 %x.i, 8
|
|
%arrayidx1 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %add.x
|
|
%val1 = load float, float addrspace(3)* %arrayidx1, align 1
|
|
%sum = fadd float %val0, %val1
|
|
%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
|
|
store float %sum, float addrspace(1)* %out.gep, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @misaligned_2_simple_read2_f32
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-NOT: ds_read2_b32
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @misaligned_2_simple_read2_f32(float addrspace(1)* %out, float addrspace(3)* %lds) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %x.i
|
|
%val0 = load float, float addrspace(3)* %arrayidx0, align 2
|
|
%add.x = add nsw i32 %x.i, 8
|
|
%arrayidx1 = getelementptr inbounds float, float addrspace(3)* %lds, i32 %add.x
|
|
%val1 = load float, float addrspace(3)* %arrayidx1, align 2
|
|
%sum = fadd float %val0, %val1
|
|
%out.gep = getelementptr inbounds float, float addrspace(1)* %out, i32 %x.i
|
|
store float %sum, float addrspace(1)* %out.gep, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @simple_read2_f64
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-DAG: v_lshlrev_b32_e32 [[VPTR:v[0-9]+]], 3, {{v[0-9]+}}
|
|
; GCN: ds_read2_b64 v{{\[}}[[LO_VREG:[0-9]+]]:[[HI_VREG:[0-9]+]]{{\]}}, [[VPTR]] offset1:8
|
|
; GCN: v_add_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], v{{\[}}[[LO_VREG]]:{{[0-9]+\]}}, v{{\[[0-9]+}}:[[HI_VREG]]{{\]}}
|
|
|
|
; CI: buffer_store_dwordx2 [[RESULT]]
|
|
; GFX9: global_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, [[RESULT]]
|
|
define amdgpu_kernel void @simple_read2_f64(double addrspace(1)* %out) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
|
|
%val0 = load double, double addrspace(3)* %arrayidx0, align 8
|
|
%add.x = add nsw i32 %x.i, 8
|
|
%arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
|
|
%val1 = load double, double addrspace(3)* %arrayidx1, align 8
|
|
%sum = fadd double %val0, %val1
|
|
%out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
|
|
store double %sum, double addrspace(1)* %out.gep, align 8
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @simple_read2_f64_max_offset
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN: ds_read2_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset1:255
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @simple_read2_f64_max_offset(double addrspace(1)* %out) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
|
|
%val0 = load double, double addrspace(3)* %arrayidx0, align 8
|
|
%add.x = add nsw i32 %x.i, 255
|
|
%arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
|
|
%val1 = load double, double addrspace(3)* %arrayidx1, align 8
|
|
%sum = fadd double %val0, %val1
|
|
%out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
|
|
store double %sum, double addrspace(1)* %out.gep, align 8
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @simple_read2_f64_too_far
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-NOT ds_read2_b64
|
|
; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}}
|
|
; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset:2056
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @simple_read2_f64_too_far(double addrspace(1)* %out) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %x.i
|
|
%val0 = load double, double addrspace(3)* %arrayidx0, align 8
|
|
%add.x = add nsw i32 %x.i, 257
|
|
%arrayidx1 = getelementptr inbounds [512 x double], [512 x double] addrspace(3)* @lds.f64, i32 0, i32 %add.x
|
|
%val1 = load double, double addrspace(3)* %arrayidx1, align 8
|
|
%sum = fadd double %val0, %val1
|
|
%out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
|
|
store double %sum, double addrspace(1)* %out.gep, align 8
|
|
ret void
|
|
}
|
|
|
|
; Alignment only 4
|
|
; GCN-LABEL: @misaligned_read2_f64
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset1:1
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}} offset0:14 offset1:15
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @misaligned_read2_f64(double addrspace(1)* %out, double addrspace(3)* %lds) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workitem.id.x() #1
|
|
%arrayidx0 = getelementptr inbounds double, double addrspace(3)* %lds, i32 %x.i
|
|
%val0 = load double, double addrspace(3)* %arrayidx0, align 4
|
|
%add.x = add nsw i32 %x.i, 7
|
|
%arrayidx1 = getelementptr inbounds double, double addrspace(3)* %lds, i32 %add.x
|
|
%val1 = load double, double addrspace(3)* %arrayidx1, align 4
|
|
%sum = fadd double %val0, %val1
|
|
%out.gep = getelementptr inbounds double, double addrspace(1)* %out, i32 %x.i
|
|
store double %sum, double addrspace(1)* %out.gep, align 4
|
|
ret void
|
|
}
|
|
|
|
@foo = addrspace(3) global [4 x i32] undef, align 4
|
|
|
|
; GCN-LABEL: @load_constant_adjacent_offsets
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:1
|
|
define amdgpu_kernel void @load_constant_adjacent_offsets(i32 addrspace(1)* %out) {
|
|
%val0 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 0), align 4
|
|
%val1 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 1), align 4
|
|
%sum = add i32 %val0, %val1
|
|
store i32 %sum, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: @load_constant_disjoint_offsets
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:2
|
|
define amdgpu_kernel void @load_constant_disjoint_offsets(i32 addrspace(1)* %out) {
|
|
%val0 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 0), align 4
|
|
%val1 = load i32, i32 addrspace(3)* getelementptr inbounds ([4 x i32], [4 x i32] addrspace(3)* @foo, i32 0, i32 2), align 4
|
|
%sum = add i32 %val0, %val1
|
|
store i32 %sum, i32 addrspace(1)* %out, align 4
|
|
ret void
|
|
}
|
|
|
|
@bar = addrspace(3) global [4 x i64] undef, align 4
|
|
|
|
; GCN-LABEL: @load_misaligned64_constant_offsets
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0{{$}}
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset1:1
|
|
; GCN: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[ZERO]] offset0:2 offset1:3
|
|
define amdgpu_kernel void @load_misaligned64_constant_offsets(i64 addrspace(1)* %out) {
|
|
%val0 = load i64, i64 addrspace(3)* getelementptr inbounds ([4 x i64], [4 x i64] addrspace(3)* @bar, i32 0, i32 0), align 4
|
|
%val1 = load i64, i64 addrspace(3)* getelementptr inbounds ([4 x i64], [4 x i64] addrspace(3)* @bar, i32 0, i32 1), align 4
|
|
%sum = add i64 %val0, %val1
|
|
store i64 %sum, i64 addrspace(1)* %out, align 8
|
|
ret void
|
|
}
|
|
|
|
@bar.large = addrspace(3) global [4096 x i64] undef, align 4
|
|
|
|
; GCN-LABEL: @load_misaligned64_constant_large_offsets
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-DAG: v_mov_b32_e32 [[BASE0:v[0-9]+]], 0x7ff8{{$}}
|
|
; GCN-DAG: v_mov_b32_e32 [[BASE1:v[0-9]+]], 0x4000
|
|
; GCN-DAG: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASE0]] offset1:1
|
|
; GCN-DAG: ds_read2_b32 v{{\[[0-9]+:[0-9]+\]}}, [[BASE1]] offset1:1
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @load_misaligned64_constant_large_offsets(i64 addrspace(1)* %out) {
|
|
%val0 = load i64, i64 addrspace(3)* getelementptr inbounds ([4096 x i64], [4096 x i64] addrspace(3)* @bar.large, i32 0, i32 2048), align 4
|
|
%val1 = load i64, i64 addrspace(3)* getelementptr inbounds ([4096 x i64], [4096 x i64] addrspace(3)* @bar.large, i32 0, i32 4095), align 4
|
|
%sum = add i64 %val0, %val1
|
|
store i64 %sum, i64 addrspace(1)* %out, align 8
|
|
ret void
|
|
}
|
|
|
|
@sgemm.lA = internal unnamed_addr addrspace(3) global [264 x float] undef, align 4
|
|
@sgemm.lB = internal unnamed_addr addrspace(3) global [776 x float] undef, align 4
|
|
|
|
; GCN-LABEL: {{^}}sgemm_inner_loop_read2_sequence:
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
define amdgpu_kernel void @sgemm_inner_loop_read2_sequence(float addrspace(1)* %C, i32 %lda, i32 %ldb) #0 {
|
|
%x.i = tail call i32 @llvm.amdgcn.workgroup.id.x() #1
|
|
%y.i = tail call i32 @llvm.amdgcn.workitem.id.y() #1
|
|
%arrayidx44 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %x.i
|
|
%tmp16 = load float, float addrspace(3)* %arrayidx44, align 4
|
|
%add47 = add nsw i32 %x.i, 1
|
|
%arrayidx48 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add47
|
|
%tmp17 = load float, float addrspace(3)* %arrayidx48, align 4
|
|
%add51 = add nsw i32 %x.i, 16
|
|
%arrayidx52 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add51
|
|
%tmp18 = load float, float addrspace(3)* %arrayidx52, align 4
|
|
%add55 = add nsw i32 %x.i, 17
|
|
%arrayidx56 = getelementptr inbounds [264 x float], [264 x float] addrspace(3)* @sgemm.lA, i32 0, i32 %add55
|
|
%tmp19 = load float, float addrspace(3)* %arrayidx56, align 4
|
|
%arrayidx60 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %y.i
|
|
%tmp20 = load float, float addrspace(3)* %arrayidx60, align 4
|
|
%add63 = add nsw i32 %y.i, 1
|
|
%arrayidx64 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add63
|
|
%tmp21 = load float, float addrspace(3)* %arrayidx64, align 4
|
|
%add67 = add nsw i32 %y.i, 32
|
|
%arrayidx68 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add67
|
|
%tmp22 = load float, float addrspace(3)* %arrayidx68, align 4
|
|
%add71 = add nsw i32 %y.i, 33
|
|
%arrayidx72 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add71
|
|
%tmp23 = load float, float addrspace(3)* %arrayidx72, align 4
|
|
%add75 = add nsw i32 %y.i, 64
|
|
%arrayidx76 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add75
|
|
%tmp24 = load float, float addrspace(3)* %arrayidx76, align 4
|
|
%add79 = add nsw i32 %y.i, 65
|
|
%arrayidx80 = getelementptr inbounds [776 x float], [776 x float] addrspace(3)* @sgemm.lB, i32 0, i32 %add79
|
|
%tmp25 = load float, float addrspace(3)* %arrayidx80, align 4
|
|
%sum.0 = fadd float %tmp16, %tmp17
|
|
%sum.1 = fadd float %sum.0, %tmp18
|
|
%sum.2 = fadd float %sum.1, %tmp19
|
|
%sum.3 = fadd float %sum.2, %tmp20
|
|
%sum.4 = fadd float %sum.3, %tmp21
|
|
%sum.5 = fadd float %sum.4, %tmp22
|
|
%sum.6 = fadd float %sum.5, %tmp23
|
|
%sum.7 = fadd float %sum.6, %tmp24
|
|
%sum.8 = fadd float %sum.7, %tmp25
|
|
store float %sum.8, float addrspace(1)* %C, align 4
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}misaligned_read2_v2i32:
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
define amdgpu_kernel void @misaligned_read2_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(3)* %in) #0 {
|
|
%load = load <2 x i32>, <2 x i32> addrspace(3)* %in, align 4
|
|
store <2 x i32> %load, <2 x i32> addrspace(1)* %out, align 8
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}misaligned_read2_i64:
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
define amdgpu_kernel void @misaligned_read2_i64(i64 addrspace(1)* %out, i64 addrspace(3)* %in) #0 {
|
|
%load = load i64, i64 addrspace(3)* %in, align 4
|
|
store i64 %load, i64 addrspace(1)* %out, align 8
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: ds_read_diff_base_interleaving
|
|
; CI-DAG: s_mov_b32 m0
|
|
; GFX9-NOT: m0
|
|
|
|
; GCN-NOT: ds_read_b32
|
|
define amdgpu_kernel void @ds_read_diff_base_interleaving(
|
|
float addrspace(1)* nocapture %arg,
|
|
[4 x [4 x float]] addrspace(3)* %arg1,
|
|
[4 x [4 x float]] addrspace(3)* %arg2,
|
|
[4 x [4 x float]] addrspace(3)* %arg3,
|
|
[4 x [4 x float]] addrspace(3)* %arg4) #1 {
|
|
bb:
|
|
%tmp = getelementptr float, float addrspace(1)* %arg, i64 10
|
|
%tmp5 = tail call i32 @llvm.amdgcn.workitem.id.x() #2
|
|
%tmp6 = tail call i32 @llvm.amdgcn.workitem.id.y() #2
|
|
%tmp7 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg1, i32 0, i32 %tmp6, i32 0
|
|
%tmp8 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg2, i32 0, i32 0, i32 %tmp5
|
|
%tmp9 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg3, i32 0, i32 %tmp6, i32 0
|
|
%tmp10 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg4, i32 0, i32 0, i32 %tmp5
|
|
%tmp11 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg1, i32 0, i32 %tmp6, i32 1
|
|
%tmp12 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg2, i32 0, i32 1, i32 %tmp5
|
|
%tmp13 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg3, i32 0, i32 %tmp6, i32 1
|
|
%tmp14 = getelementptr [4 x [4 x float]], [4 x [4 x float]] addrspace(3)* %arg4, i32 0, i32 1, i32 %tmp5
|
|
%tmp15 = load float, float addrspace(3)* %tmp7
|
|
%tmp16 = load float, float addrspace(3)* %tmp8
|
|
%tmp17 = fmul float %tmp15, %tmp16
|
|
%tmp18 = fadd float 2.000000e+00, %tmp17
|
|
%tmp19 = load float, float addrspace(3)* %tmp9
|
|
%tmp20 = load float, float addrspace(3)* %tmp10
|
|
%tmp21 = fmul float %tmp19, %tmp20
|
|
%tmp22 = fsub float %tmp18, %tmp21
|
|
%tmp23 = load float, float addrspace(3)* %tmp11
|
|
%tmp24 = load float, float addrspace(3)* %tmp12
|
|
%tmp25 = fmul float %tmp23, %tmp24
|
|
%tmp26 = fsub float %tmp22, %tmp25
|
|
%tmp27 = load float, float addrspace(3)* %tmp13
|
|
%tmp28 = load float, float addrspace(3)* %tmp14
|
|
%tmp29 = fmul float %tmp27, %tmp28
|
|
%tmp30 = fsub float %tmp26, %tmp29
|
|
store float %tmp30, float addrspace(1)* %tmp
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.workgroup.id.x() #1
|
|
declare i32 @llvm.amdgcn.workgroup.id.y() #1
|
|
declare i32 @llvm.amdgcn.workitem.id.x() #1
|
|
declare i32 @llvm.amdgcn.workitem.id.y() #1
|
|
|
|
declare void @llvm.amdgcn.s.barrier() #2
|
|
|
|
attributes #0 = { nounwind }
|
|
attributes #1 = { nounwind readnone speculatable }
|
|
attributes #2 = { convergent nounwind }
|