156 lines
7.9 KiB
LLVM
156 lines
7.9 KiB
LLVM
; RUN: llc -march=amdgcn -amdgpu-atomic-optimizations=true -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN64,GFX7LESS %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-atomic-optimizations=true -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN64,GFX8MORE,GFX8MORE64,GFX89,DPPCOMB %s
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; RUN: llc -march=amdgcn -mcpu=gfx900 -mattr=-flat-for-global -amdgpu-atomic-optimizations=true -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN64,GFX8MORE,GFX8MORE64,GFX89,DPPCOMB %s
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; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -mattr=-flat-for-global -amdgpu-atomic-optimizations=true -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN64,GFX8MORE,GFX8MORE64,GFX10 %s
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; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -mattr=-flat-for-global -amdgpu-atomic-optimizations=true -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,GCN32,GFX8MORE,GFX8MORE32,GFX10 %s
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declare i32 @llvm.amdgcn.workitem.id.x()
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declare i32 @llvm.amdgcn.raw.buffer.atomic.add(i32, <4 x i32>, i32, i32, i32)
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declare i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32, <4 x i32>, i32, i32, i32)
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; Show what the atomic optimization pass will do for raw buffers.
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; GCN-LABEL: add_i32_constant:
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; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
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; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
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; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
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; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
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; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
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; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
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; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
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; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
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; GCN: s_mul_i32 s[[popcount]], s[[popcount]], 5
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; GCN: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]]
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; GCN: buffer_atomic_add v[[value]]
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define amdgpu_kernel void @add_i32_constant(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.add(i32 5, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: add_i32_uniform:
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; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
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; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
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; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
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; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
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; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
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; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
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; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
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; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
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; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
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; GCN: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
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; GCN: buffer_atomic_add v[[value]]
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define amdgpu_kernel void @add_i32_uniform(i32 addrspace(1)* %out, <4 x i32> %inout, i32 %additive) {
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entry:
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.add(i32 %additive, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: add_i32_varying_vdata:
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; GFX7LESS-NOT: v_mbcnt_lo_u32_b32
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; GFX7LESS-NOT: v_mbcnt_hi_u32_b32
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; GFX7LESS-NOT: s_bcnt1_i32_b64
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; GFX7LESS: buffer_atomic_add v{{[0-9]+}}
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; DPPCOMB: v_add_u32_dpp
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; DPPCOMB: v_add_u32_dpp
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; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
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; GFX8MORE64: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 63
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; GFX89: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
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; GFX10: s_mov_b32 s[[copy_value:[0-9]+]], s[[scalar_value]]
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; GFX10: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[copy_value]]
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; GFX8MORE: buffer_atomic_add v[[value]]
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define amdgpu_kernel void @add_i32_varying_vdata(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%lane = call i32 @llvm.amdgcn.workitem.id.x()
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.add(i32 %lane, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: add_i32_varying_offset:
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; GCN-NOT: v_mbcnt_lo_u32_b32
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; GCN-NOT: v_mbcnt_hi_u32_b32
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; GCN-NOT: s_bcnt1_i32_b64
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; GCN: buffer_atomic_add v{{[0-9]+}}
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define amdgpu_kernel void @add_i32_varying_offset(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%lane = call i32 @llvm.amdgcn.workitem.id.x()
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.add(i32 1, <4 x i32> %inout, i32 %lane, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: sub_i32_constant:
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; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
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; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
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; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
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; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
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; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
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; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
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; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
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; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
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; GCN: s_mul_i32 s[[popcount]], s[[popcount]], 5
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; GCN: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]]
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; GCN: buffer_atomic_sub v[[value]]
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define amdgpu_kernel void @sub_i32_constant(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32 5, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: sub_i32_uniform:
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; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
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; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
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; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
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; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
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; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
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; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
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; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
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; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
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; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
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; GCN: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
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; GCN: buffer_atomic_sub v[[value]]
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define amdgpu_kernel void @sub_i32_uniform(i32 addrspace(1)* %out, <4 x i32> %inout, i32 %subitive) {
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entry:
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32 %subitive, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: sub_i32_varying_vdata:
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; GFX7LESS-NOT: v_mbcnt_lo_u32_b32
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; GFX7LESS-NOT: v_mbcnt_hi_u32_b32
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; GFX7LESS-NOT: s_bcnt1_i32_b64
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; GFX7LESS: buffer_atomic_sub v{{[0-9]+}}
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; DPPCOMB: v_add_u32_dpp
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; DPPCOMB: v_add_u32_dpp
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; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
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; GFX8MORE64: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 63
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; GFX89: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
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; GFX10: s_mov_b32 s[[copy_value:[0-9]+]], s[[scalar_value]]
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; GFX10: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[copy_value]]
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; GFX8MORE: buffer_atomic_sub v[[value]]
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define amdgpu_kernel void @sub_i32_varying_vdata(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%lane = call i32 @llvm.amdgcn.workitem.id.x()
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32 %lane, <4 x i32> %inout, i32 0, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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; GCN-LABEL: sub_i32_varying_offset:
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; GCN-NOT: v_mbcnt_lo_u32_b32
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; GCN-NOT: v_mbcnt_hi_u32_b32
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; GCN-NOT: s_bcnt1_i32_b64
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; GCN: buffer_atomic_sub v{{[0-9]+}}
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define amdgpu_kernel void @sub_i32_varying_offset(i32 addrspace(1)* %out, <4 x i32> %inout) {
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entry:
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%lane = call i32 @llvm.amdgcn.workitem.id.x()
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%old = call i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32 1, <4 x i32> %inout, i32 %lane, i32 0, i32 0)
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store i32 %old, i32 addrspace(1)* %out
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ret void
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}
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