1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155
|
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s
; GCN-LABEL: {{^}}v_ubfe_sub_i32:
; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
; GCN: v_bfe_u32 v{{[0-9]+}}, [[SRC]], 0, [[WIDTH]]
define amdgpu_kernel void @v_ubfe_sub_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%src = load volatile i32, i32 addrspace(1)* %in0.gep
%width = load volatile i32, i32 addrspace(1)* %in0.gep
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = lshr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_ubfe_sub_multi_use_shl_i32:
; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
; GCN: v_sub_{{[iu]}}32_e32 [[SUB:v[0-9]+]], vcc, 32, [[WIDTH]]
; GCN-NEXT: v_lshlrev_b32_e32 [[SHL:v[0-9]+]], [[SUB]], [[SRC]]
; GCN-NEXT: v_lshrrev_b32_e32 [[BFE:v[0-9]+]], [[SUB]], [[SHL]]
; GCN: [[BFE]]
; GCN: [[SHL]]
define amdgpu_kernel void @v_ubfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%src = load volatile i32, i32 addrspace(1)* %in0.gep
%width = load volatile i32, i32 addrspace(1)* %in0.gep
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = lshr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
store volatile i32 %shl, i32 addrspace(1)* undef
ret void
}
; GCN-LABEL: {{^}}s_ubfe_sub_i32:
; GCN: s_load_dwordx2 s[[[SRC:[0-9]+]]:[[WIDTH:[0-9]+]]], s[0:1], {{0xb|0x2c}}
; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, s[[WIDTH]]
; GCN: s_lshl_b32 [[TMP:s[0-9]+]], s[[SRC]], [[SUB]]
; GCN: s_lshr_b32 s{{[0-9]+}}, [[TMP]], [[SUB]]
define amdgpu_kernel void @s_ubfe_sub_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = lshr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}s_ubfe_sub_multi_use_shl_i32:
; GCN: s_load_dwordx2 s[[[SRC:[0-9]+]]:[[WIDTH:[0-9]+]]], s[0:1], {{0xb|0x2c}}
; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, s[[WIDTH]]
; GCN: s_lshl_b32 [[SHL:s[0-9]+]], s[[SRC]], [[SUB]]
; GCN: s_lshr_b32 s{{[0-9]+}}, [[SHL]], [[SUB]]
define amdgpu_kernel void @s_ubfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = lshr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
store volatile i32 %shl, i32 addrspace(1)* undef
ret void
}
; GCN-LABEL: {{^}}v_sbfe_sub_i32:
; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
; GCN: v_bfe_i32 v{{[0-9]+}}, [[SRC]], 0, [[WIDTH]]
define amdgpu_kernel void @v_sbfe_sub_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%src = load volatile i32, i32 addrspace(1)* %in0.gep
%width = load volatile i32, i32 addrspace(1)* %in0.gep
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = ashr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}v_sbfe_sub_multi_use_shl_i32:
; GCN: {{buffer|flat}}_load_dword [[SRC:v[0-9]+]]
; GCN: {{buffer|flat}}_load_dword [[WIDTH:v[0-9]+]]
; GCN: v_sub_{{[iu]}}32_e32 [[SUB:v[0-9]+]], vcc, 32, [[WIDTH]]
; GCN-NEXT: v_lshlrev_b32_e32 [[SHL:v[0-9]+]], [[SUB]], [[SRC]]
; GCN-NEXT: v_ashrrev_i32_e32 [[BFE:v[0-9]+]], [[SUB]], [[SHL]]
; GCN: [[BFE]]
; GCN: [[SHL]]
define amdgpu_kernel void @v_sbfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%in0.gep = getelementptr i32, i32 addrspace(1)* %in0, i32 %id.x
%in1.gep = getelementptr i32, i32 addrspace(1)* %in1, i32 %id.x
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%src = load volatile i32, i32 addrspace(1)* %in0.gep
%width = load volatile i32, i32 addrspace(1)* %in0.gep
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = ashr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
store volatile i32 %shl, i32 addrspace(1)* undef
ret void
}
; GCN-LABEL: {{^}}s_sbfe_sub_i32:
; GCN: s_load_dwordx2 s[[[SRC:[0-9]+]]:[[WIDTH:[0-9]+]]], s[0:1], {{0xb|0x2c}}
; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, s[[WIDTH]]
; GCN: s_lshl_b32 [[TMP:s[0-9]+]], s[[SRC]], [[SUB]]
; GCN: s_ashr_i32 s{{[0-9]+}}, [[TMP]], [[SUB]]
define amdgpu_kernel void @s_sbfe_sub_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = ashr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
ret void
}
; GCN-LABEL: {{^}}s_sbfe_sub_multi_use_shl_i32:
; GCN: s_load_dwordx2 s[[[SRC:[0-9]+]]:[[WIDTH:[0-9]+]]], s[0:1], {{0xb|0x2c}}
; GCN: s_sub_i32 [[SUB:s[0-9]+]], 32, s[[WIDTH]]
; GCN: s_lshl_b32 [[SHL:s[0-9]+]], s[[SRC]], [[SUB]]
; GCN: s_ashr_i32 s{{[0-9]+}}, [[SHL]], [[SUB]]
define amdgpu_kernel void @s_sbfe_sub_multi_use_shl_i32(i32 addrspace(1)* %out, i32 %src, i32 %width) #1 {
%id.x = tail call i32 @llvm.amdgcn.workitem.id.x()
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %id.x
%sub = sub i32 32, %width
%shl = shl i32 %src, %sub
%bfe = ashr i32 %shl, %sub
store i32 %bfe, i32 addrspace(1)* %out.gep
store volatile i32 %shl, i32 addrspace(1)* undef
ret void
}
declare i32 @llvm.amdgcn.workitem.id.x() #0
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
|