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      1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
      2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
      3 
      4 ; GCN-LABEL: {{^}}s_sext_i1_to_i32:
      5 ; GCN: v_cndmask_b32_e64
      6 ; GCN: s_endpgm
      7 define void @s_sext_i1_to_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
      8   %cmp = icmp eq i32 %a, %b
      9   %sext = sext i1 %cmp to i32
     10   store i32 %sext, i32 addrspace(1)* %out, align 4
     11   ret void
     12 }
     13 
     14 ; GCN-LABEL: {{^}}test_s_sext_i32_to_i64:
     15 ; GCN: s_ashr_i32
     16 ; GCN: s_endpg
     17 define void @test_s_sext_i32_to_i64(i64 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) nounwind {
     18 entry:
     19   %mul = mul i32 %a, %b
     20   %add = add i32 %mul, %c
     21   %sext = sext i32 %add to i64
     22   store i64 %sext, i64 addrspace(1)* %out, align 8
     23   ret void
     24 }
     25 
     26 ; GCN-LABEL: {{^}}s_sext_i1_to_i64:
     27 ; GCN: v_cndmask_b32_e64 v[[LOREG:[0-9]+]], 0, -1, vcc
     28 ; GCN: v_mov_b32_e32 v[[HIREG:[0-9]+]], v[[LOREG]]
     29 ; GCN: buffer_store_dwordx2 v{{\[}}[[LOREG]]:[[HIREG]]{{\]}}
     30 ; GCN: s_endpgm
     31 define void @s_sext_i1_to_i64(i64 addrspace(1)* %out, i32 %a, i32 %b) nounwind {
     32   %cmp = icmp eq i32 %a, %b
     33   %sext = sext i1 %cmp to i64
     34   store i64 %sext, i64 addrspace(1)* %out, align 8
     35   ret void
     36 }
     37 
     38 ; GCN-LABEL: {{^}}s_sext_i32_to_i64:
     39 ; GCN: s_ashr_i32
     40 ; GCN: s_endpgm
     41 define void @s_sext_i32_to_i64(i64 addrspace(1)* %out, i32 %a) nounwind {
     42   %sext = sext i32 %a to i64
     43   store i64 %sext, i64 addrspace(1)* %out, align 8
     44   ret void
     45 }
     46 
     47 ; GCN-LABEL: {{^}}v_sext_i32_to_i64:
     48 ; GCN: v_ashr
     49 ; GCN: s_endpgm
     50 define void @v_sext_i32_to_i64(i64 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
     51   %val = load i32, i32 addrspace(1)* %in, align 4
     52   %sext = sext i32 %val to i64
     53   store i64 %sext, i64 addrspace(1)* %out, align 8
     54   ret void
     55 }
     56 
     57 ; GCN-LABEL: {{^}}s_sext_i16_to_i64:
     58 ; GCN: s_endpgm
     59 define void @s_sext_i16_to_i64(i64 addrspace(1)* %out, i16 %a) nounwind {
     60   %sext = sext i16 %a to i64
     61   store i64 %sext, i64 addrspace(1)* %out, align 8
     62   ret void
     63 }
     64 
     65 ; GCN-LABEL: {{^}}s_sext_v4i8_to_v4i32:
     66 ; GCN: s_load_dword [[VAL:s[0-9]+]]
     67 ; GCN-DAG: s_sext_i32_i8 [[EXT0:s[0-9]+]], [[VAL]]
     68 ; GCN-DAG: s_bfe_i32 [[EXT1:s[0-9]+]], [[VAL]], 0x80008
     69 ; GCN-DAG: s_bfe_i32 [[EXT2:s[0-9]+]], [[VAL]], 0x80010
     70 ; GCN-DAG: s_ashr_i32 [[EXT3:s[0-9]+]], [[VAL]], 24
     71 
     72 ; GCN-DAG: v_mov_b32_e32 [[VEXT0:v[0-9]+]], [[EXT0]]
     73 ; GCN-DAG: v_mov_b32_e32 [[VEXT1:v[0-9]+]], [[EXT1]]
     74 ; GCN-DAG: v_mov_b32_e32 [[VEXT2:v[0-9]+]], [[EXT2]]
     75 ; GCN-DAG: v_mov_b32_e32 [[VEXT3:v[0-9]+]], [[EXT3]]
     76 
     77 ; GCN-DAG: buffer_store_dword [[VEXT0]]
     78 ; GCN-DAG: buffer_store_dword [[VEXT1]]
     79 ; GCN-DAG: buffer_store_dword [[VEXT2]]
     80 ; GCN-DAG: buffer_store_dword [[VEXT3]]
     81 
     82 ; GCN: s_endpgm
     83 define void @s_sext_v4i8_to_v4i32(i32 addrspace(1)* %out, i32 %a) nounwind {
     84   %cast = bitcast i32 %a to <4 x i8>
     85   %ext = sext <4 x i8> %cast to <4 x i32>
     86   %elt0 = extractelement <4 x i32> %ext, i32 0
     87   %elt1 = extractelement <4 x i32> %ext, i32 1
     88   %elt2 = extractelement <4 x i32> %ext, i32 2
     89   %elt3 = extractelement <4 x i32> %ext, i32 3
     90   store volatile i32 %elt0, i32 addrspace(1)* %out
     91   store volatile i32 %elt1, i32 addrspace(1)* %out
     92   store volatile i32 %elt2, i32 addrspace(1)* %out
     93   store volatile i32 %elt3, i32 addrspace(1)* %out
     94   ret void
     95 }
     96 
     97 ; GCN-LABEL: {{^}}v_sext_v4i8_to_v4i32:
     98 ; GCN: buffer_load_dword [[VAL:v[0-9]+]]
     99 ; GCN-DAG: v_bfe_i32 [[EXT0:v[0-9]+]], [[VAL]], 0, 8
    100 ; GCN-DAG: v_bfe_i32 [[EXT1:v[0-9]+]], [[VAL]], 8, 8
    101 ; GCN-DAG: v_bfe_i32 [[EXT2:v[0-9]+]], [[VAL]], 16, 8
    102 ; GCN-DAG: v_ashrrev_i32_e32 [[EXT3:v[0-9]+]], 24, [[VAL]]
    103 
    104 ; GCN: buffer_store_dword [[EXT0]]
    105 ; GCN: buffer_store_dword [[EXT1]]
    106 ; GCN: buffer_store_dword [[EXT2]]
    107 ; GCN: buffer_store_dword [[EXT3]]
    108 define void @v_sext_v4i8_to_v4i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) nounwind {
    109   %a = load i32, i32 addrspace(1)* %in
    110   %cast = bitcast i32 %a to <4 x i8>
    111   %ext = sext <4 x i8> %cast to <4 x i32>
    112   %elt0 = extractelement <4 x i32> %ext, i32 0
    113   %elt1 = extractelement <4 x i32> %ext, i32 1
    114   %elt2 = extractelement <4 x i32> %ext, i32 2
    115   %elt3 = extractelement <4 x i32> %ext, i32 3
    116   store volatile i32 %elt0, i32 addrspace(1)* %out
    117   store volatile i32 %elt1, i32 addrspace(1)* %out
    118   store volatile i32 %elt2, i32 addrspace(1)* %out
    119   store volatile i32 %elt3, i32 addrspace(1)* %out
    120   ret void
    121 }
    122 
    123 ; FIXME: s_bfe_i64
    124 ; GCN-LABEL: {{^}}s_sext_v4i16_to_v4i32:
    125 ; GCN-DAG: s_ashr_i64 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 48
    126 ; GCN-DAG: s_ashr_i32 s{{[0-9]+}}, s{{[0-9]+}}, 16
    127 ; GCN-DAG: s_sext_i32_i16
    128 ; GCN-DAG: s_sext_i32_i16
    129 ; GCN: s_endpgm
    130 define void @s_sext_v4i16_to_v4i32(i32 addrspace(1)* %out, i64 %a) nounwind {
    131   %cast = bitcast i64 %a to <4 x i16>
    132   %ext = sext <4 x i16> %cast to <4 x i32>
    133   %elt0 = extractelement <4 x i32> %ext, i32 0
    134   %elt1 = extractelement <4 x i32> %ext, i32 1
    135   %elt2 = extractelement <4 x i32> %ext, i32 2
    136   %elt3 = extractelement <4 x i32> %ext, i32 3
    137   store volatile i32 %elt0, i32 addrspace(1)* %out
    138   store volatile i32 %elt1, i32 addrspace(1)* %out
    139   store volatile i32 %elt2, i32 addrspace(1)* %out
    140   store volatile i32 %elt3, i32 addrspace(1)* %out
    141   ret void
    142 }
    143 
    144 ; GCN-LABEL: {{^}}v_sext_v4i16_to_v4i32:
    145 ; SI-DAG: v_ashr_i64 v{{\[[0-9]+:[0-9]+\]}}, v{{\[[0-9]+:[0-9]+\]}}, 48
    146 ; VI-DAG: v_ashrrev_i64 v{{\[[0-9]+:[0-9]+\]}}, 48, v{{\[[0-9]+:[0-9]+\]}}
    147 ; GCN-DAG: v_ashrrev_i32_e32 v{{[0-9]+}}, 16, v{{[0-9]+}}
    148 ; GCN-DAG: v_ashrrev_i32_e32 v{{[0-9]+}}, 16, v{{[0-9]+}}
    149 ; GCN-DAG: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 16
    150 ; GCN-DAG: v_bfe_i32 v{{[0-9]+}}, v{{[0-9]+}}, 0, 16
    151 ; GCN: s_endpgm
    152 define void @v_sext_v4i16_to_v4i32(i32 addrspace(1)* %out, i64 addrspace(1)* %in) nounwind {
    153   %a = load i64, i64 addrspace(1)* %in
    154   %cast = bitcast i64 %a to <4 x i16>
    155   %ext = sext <4 x i16> %cast to <4 x i32>
    156   %elt0 = extractelement <4 x i32> %ext, i32 0
    157   %elt1 = extractelement <4 x i32> %ext, i32 1
    158   %elt2 = extractelement <4 x i32> %ext, i32 2
    159   %elt3 = extractelement <4 x i32> %ext, i32 3
    160   store volatile i32 %elt0, i32 addrspace(1)* %out
    161   store volatile i32 %elt1, i32 addrspace(1)* %out
    162   store volatile i32 %elt2, i32 addrspace(1)* %out
    163   store volatile i32 %elt3, i32 addrspace(1)* %out
    164   ret void
    165 }
    166