forked from OSchip/llvm-project
164 lines
6.7 KiB
LLVM
164 lines
6.7 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; GCN-LABEL: {{^}}v_ubfe_sub_i32:
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; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
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; GCN: v_bfe_u32 v{{[0-9]+}}, [[SRC]], 0, [[WIDTH]]
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define amdgpu_kernel void @v_ubfe_sub_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
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%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%src = load volatile i32, i32 addrspace(1)* %in0.gep
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%width = load volatile i32, i32 addrspace(1)* %in0.gep
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = lshr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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ret void
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}
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; GCN-LABEL: {{^}}v_ubfe_sub_multi_use_shl_i32:
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; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
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; GCN: v_sub_i32_e32 [[SUB:v[0-9]+]], vcc, 32, [[WIDTH]]
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; SI-NEXT: v_lshl_b32_e32 [[SHL:v[0-9]+]], [[SRC]], [[SUB]]
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; SI-NEXT: v_lshr_b32_e32 [[BFE:v[0-9]+]], [[SHL]], [[SUB]]
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; VI-NEXT: v_lshlrev_b32_e32 [[SHL:v[0-9]+]], [[SUB]], [[SRC]]
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; VI-NEXT: v_lshrrev_b32_e32 [[BFE:v[0-9]+]], [[SUB]], [[SHL]]
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; GCN: [[BFE]]
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; GCN: [[SHL]]
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define amdgpu_kernel void @v_ubfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
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%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%src = load volatile i32, i32 addrspace(1)* %in0.gep
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%width = load volatile i32, i32 addrspace(1)* %in0.gep
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = lshr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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store volatile i32 %shl, i32 addrspace(1)* undef
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ret void
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}
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; GCN-LABEL: {{^}}s_ubfe_sub_i32:
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; GCN: s_load_dword [[SRC:s[0-9]+]]
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; GCN: s_load_dword [[WIDTH:s[0-9]+]]
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; GCN: v_mov_b32_e32 [[VWIDTH:v[0-9]+]]
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; GCN: v_bfe_u32 v{{[0-9]+}}, [[SRC]], 0, [[VWIDTH]]
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define amdgpu_kernel void @s_ubfe_sub_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = lshr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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ret void
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}
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; GCN-LABEL: {{^}}s_ubfe_sub_multi_use_shl_i32:
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; GCN: s_load_dword [[SRC:s[0-9]+]]
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; GCN: s_load_dword [[WIDTH:s[0-9]+]]
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; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, [[WIDTH]]
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; GCN-NEXT: s_lshl_b32 [[SHL:s[0-9]+]], [[SRC]], [[SUB]]
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; GCN-NEXT: s_lshr_b32 s{{[0-9]+}}, [[SHL]], [[SUB]]
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define amdgpu_kernel void @s_ubfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = lshr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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store volatile i32 %shl, i32 addrspace(1)* undef
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ret void
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}
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; GCN-LABEL: {{^}}v_sbfe_sub_i32:
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; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
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; GCN: v_bfe_i32 v{{[0-9]+}}, [[SRC]], 0, [[WIDTH]]
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define amdgpu_kernel void @v_sbfe_sub_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
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%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%src = load volatile i32, i32 addrspace(1)* %in0.gep
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%width = load volatile i32, i32 addrspace(1)* %in0.gep
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = ashr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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ret void
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}
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; GCN-LABEL: {{^}}v_sbfe_sub_multi_use_shl_i32:
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; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
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; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
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; GCN: v_sub_i32_e32 [[SUB:v[0-9]+]], vcc, 32, [[WIDTH]]
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; SI-NEXT: v_lshl_b32_e32 [[SHL:v[0-9]+]], [[SRC]], [[SUB]]
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; SI-NEXT: v_ashr_i32_e32 [[BFE:v[0-9]+]], [[SHL]], [[SUB]]
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; VI-NEXT: v_lshlrev_b32_e32 [[SHL:v[0-9]+]], [[SUB]], [[SRC]]
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; VI-NEXT: v_ashrrev_i32_e32 [[BFE:v[0-9]+]], [[SUB]], [[SHL]]
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; GCN: [[BFE]]
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; GCN: [[SHL]]
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define amdgpu_kernel void @v_sbfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
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%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%src = load volatile i32, i32 addrspace(1)* %in0.gep
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%width = load volatile i32, i32 addrspace(1)* %in0.gep
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = ashr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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store volatile i32 %shl, i32 addrspace(1)* undef
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ret void
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}
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; GCN-LABEL: {{^}}s_sbfe_sub_i32:
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; GCN: s_load_dword [[SRC:s[0-9]+]]
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; GCN: s_load_dword [[WIDTH:s[0-9]+]]
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; GCN: v_mov_b32_e32 [[VWIDTH:v[0-9]+]]
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; GCN: v_bfe_i32 v{{[0-9]+}}, [[SRC]], 0, [[VWIDTH]]
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define amdgpu_kernel void @s_sbfe_sub_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = ashr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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ret void
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}
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; GCN-LABEL: {{^}}s_sbfe_sub_multi_use_shl_i32:
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; GCN: s_load_dword [[SRC:s[0-9]+]]
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; GCN: s_load_dword [[WIDTH:s[0-9]+]]
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; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, [[WIDTH]]
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; GCN-NEXT: s_lshl_b32 [[SHL:s[0-9]+]], [[SRC]], [[SUB]]
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; GCN-NEXT: s_ashr_i32 s{{[0-9]+}}, [[SHL]], [[SUB]]
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define amdgpu_kernel void @s_sbfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
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%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
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%sub = sub i32 32, %width
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%shl = shl i32 %src, %sub
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%bfe = ashr i32 %shl, %sub
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store i32 %bfe, i32 addrspace(1)* %out.gep
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store volatile i32 %shl, i32 addrspace(1)* undef
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ret void
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}
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declare i32 @llvm.amdgcn.workitem.id.x() #0
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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