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      1 ; RUN: llc -march=mipsel < %s | FileCheck -check-prefix=ALL %s
      2 ; RUN: llc -march=mipsel -mattr=+fp64 < %s | FileCheck -check-prefix=ALL %s
      3 ; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck -check-prefix=ALL -check-prefix=NO-MFHC1 %s
      4 ; RUN: llc -march=mipsel -mcpu=mips32r2              < %s | FileCheck -check-prefix=ALL -check-prefix=HAS-MFHC1 %s
      5 ; RUN: llc -march=mipsel -mcpu=mips32r2 -mattr=+fp64 < %s | FileCheck -check-prefix=ALL -check-prefix=HAS-MFHC1 %s
      6 
      7 ; $f12, $f14
      8 ; ALL-LABEL: testlowercall0:
      9 ; ALL-DAG:       ldc1 $f12, %lo
     10 ; ALL-DAG:       ldc1 $f14, %lo
     11 define void @testlowercall0() nounwind {
     12 entry:
     13   tail call void @f0(double 5.000000e+00, double 6.000000e+00) nounwind
     14   ret void
     15 }
     16 
     17 declare void @f0(double, double)
     18 
     19 ; $f12, $f14
     20 ; ALL-LABEL: testlowercall1:
     21 ; ALL-DAG:       lwc1 $f12, %lo
     22 ; ALL-DAG:       lwc1 $f14, %lo
     23 define void @testlowercall1() nounwind {
     24 entry:
     25   tail call void @f1(float 8.000000e+00, float 9.000000e+00) nounwind
     26   ret void
     27 }
     28 
     29 declare void @f1(float, float)
     30 
     31 ; $f12, $f14
     32 ; ALL-LABEL: testlowercall2:
     33 ; ALL-DAG:       lwc1 $f12, %lo
     34 ; ALL-DAG:       ldc1 $f14, %lo
     35 define void @testlowercall2() nounwind {
     36 entry:
     37   tail call void @f2(float 8.000000e+00, double 6.000000e+00) nounwind
     38   ret void
     39 }
     40 
     41 declare void @f2(float, double)
     42 
     43 ; $f12, $f14
     44 ; ALL-LABEL: testlowercall3:
     45 ; ALL-DAG:       ldc1 $f12, %lo
     46 ; ALL-DAG:       lwc1 $f14, %lo
     47 define void @testlowercall3() nounwind {
     48 entry:
     49   tail call void @f3(double 5.000000e+00, float 9.000000e+00) nounwind
     50   ret void
     51 }
     52 
     53 declare void @f3(double, float)
     54 
     55 ; $4, $5, $6, $7
     56 ; ALL-LABEL: testlowercall4:
     57 ; ALL-DAG:       addiu $4, $zero, 12
     58 ; ALL-DAG:       addiu $5, $zero, 13
     59 ; ALL-DAG:       addiu $6, $zero, 14
     60 ; ALL-DAG:       addiu $7, $zero, 15
     61 define void @testlowercall4() nounwind {
     62 entry:
     63   tail call void @f4(i32 12, i32 13, i32 14, i32 15) nounwind
     64   ret void
     65 }
     66 
     67 declare void @f4(i32, i32, i32, i32)
     68 
     69 ; $f12, $6, stack
     70 ; ALL-LABEL: testlowercall5:
     71 ; ALL-DAG:       ldc1 $f12, %lo
     72 ; ALL-DAG:       addiu $6, $zero, 23
     73 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 16($sp)
     74 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 20($sp)
     75 define void @testlowercall5() nounwind {
     76 entry:
     77   tail call void @f5(double 1.500000e+01, i32 23, double 1.700000e+01) nounwind
     78   ret void
     79 }
     80 
     81 declare void @f5(double, i32, double)
     82 
     83 ; $f12, $6, $7
     84 ; ALL-LABEL: testlowercall6:
     85 ; ALL-DAG:       ldc1 $f12, %lo
     86 ; ALL-DAG:       addiu $6, $zero, 33
     87 ; ALL-DAG:       addiu $7, $zero, 24
     88 define void @testlowercall6() nounwind {
     89 entry:
     90   tail call void @f6(double 2.500000e+01, i32 33, i32 24) nounwind
     91   ret void
     92 }
     93 
     94 declare void @f6(double, i32, i32)
     95 
     96 ; $f12, $5, $6
     97 ; ALL-LABEL: testlowercall7:
     98 ; ALL-DAG:       lwc1 $f12, %lo
     99 ; ALL-DAG:       addiu $5, $zero, 43
    100 ; ALL-DAG:       addiu $6, $zero, 34
    101 define void @testlowercall7() nounwind {
    102 entry:
    103   tail call void @f7(float 1.800000e+01, i32 43, i32 34) nounwind
    104   ret void
    105 }
    106 
    107 declare void @f7(float, i32, i32)
    108 
    109 ; $4, $5, $6, stack
    110 ; ALL-LABEL: testlowercall8:
    111 ; ALL-DAG:       addiu $4, $zero, 22
    112 ; ALL-DAG:       addiu $5, $zero, 53
    113 ; ALL-DAG:       addiu $6, $zero, 44
    114 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 16($sp)
    115 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 20($sp)
    116 define void @testlowercall8() nounwind {
    117 entry:
    118   tail call void @f8(i32 22, i32 53, i32 44, double 4.000000e+00) nounwind
    119   ret void
    120 }
    121 
    122 declare void @f8(i32, i32, i32, double)
    123 
    124 ; $4, $5, $6, $7
    125 ; ALL-LABEL: testlowercall9:
    126 ; ALL-DAG:       addiu $4, $zero, 32
    127 ; ALL-DAG:       addiu $5, $zero, 63
    128 ; ALL-DAG:       addiu $6, $zero, 54
    129 ; ALL-DAG:       lui $7, 16688
    130 define void @testlowercall9() nounwind {
    131 entry:
    132   tail call void @f9(i32 32, i32 63, i32 54, float 1.100000e+01) nounwind
    133   ret void
    134 }
    135 
    136 declare void @f9(i32, i32, i32, float)
    137 
    138 ; $4, $5, ($6, $7)
    139 ; ALL-LABEL: testlowercall10:
    140 
    141 ; ALL-DAG:       addiu $4, $zero, 42
    142 ; ALL-DAG:       addiu $5, $zero, 73
    143 
    144 ; NO-MFHC1-DAG:  mfc1 $6, $f{{[0-9]+}}
    145 ; NO-MFHC1-DAG:  mfc1 $7, $f{{[0-9]+}}
    146 
    147 ; HAS-MFHC1-DAG: mfc1 $6, $f{{[0-9]+}}
    148 ; HAS-MFHC1-DAG: mfhc1 $7, $f{{[0-9]+}}
    149 define void @testlowercall10() nounwind {
    150 entry:
    151   tail call void @f10(i32 42, i32 73, double 2.700000e+01) nounwind
    152   ret void
    153 }
    154 
    155 declare void @f10(i32, i32, double)
    156 
    157 ; $4, ($6, $7)
    158 ; ALL-LABEL: testlowercall11:
    159 ; ALL-DAG:       addiu $4, $zero, 52
    160 
    161 ; NO-MFHC1-DAG:  mfc1 $6, $f{{[0-9]+}}
    162 ; NO-MFHC1-DAG:  mfc1 $7, $f{{[0-9]+}}
    163 
    164 ; HAS-MFHC1-DAG: mfc1 $6, $f{{[0-9]+}}
    165 ; HAS-MFHC1-DAG: mfhc1 $7, $f{{[0-9]+}}
    166 define void @testlowercall11() nounwind {
    167 entry:
    168   tail call void @f11(i32 52, double 1.600000e+01) nounwind
    169   ret void
    170 }
    171 
    172 declare void @f11(i32, double)
    173 
    174 ; $f12, $f14, $6, $7
    175 ; ALL-LABEL: testlowercall12:
    176 ; ALL-DAG:       lwc1 $f12, %lo
    177 ; ALL-DAG:       lwc1 $f14, %lo
    178 ; ALL-DAG:       lui $6, 16672
    179 ; ALL-DAG:       lui $7, 16808
    180 define void @testlowercall12() nounwind {
    181 entry:
    182   tail call void @f12(float 2.800000e+01, float 1.900000e+01, float 1.000000e+01, float 2.100000e+01) nounwind
    183   ret void
    184 }
    185 
    186 declare void @f12(float, float, float, float)
    187 
    188 ; $f12, $5, $6, $7
    189 ; ALL-LABEL: testlowercall13:
    190 ; ALL-DAG:       lwc1 $f12, %lo
    191 ; ALL-DAG:       addiu $5, $zero, 83
    192 ; ALL-DAG:       lui $6, 16800
    193 ; ALL-DAG:       addiu $7, $zero, 25
    194 define void @testlowercall13() nounwind {
    195 entry:
    196   tail call void @f13(float 3.800000e+01, i32 83, float 2.000000e+01, i32 25) nounwind
    197   ret void
    198 }
    199 
    200 
    201 declare void @f13(float, i32, float, i32)
    202 
    203 ; $f12, $f14, $7
    204 ; ALL-LABEL: testlowercall14:
    205 ; ALL-DAG:       ldc1 $f12, %lo
    206 ; ALL-DAG:       lwc1 $f14, %lo
    207 ; ALL-DAG:       lui $7, 16880
    208 define void @testlowercall14() nounwind {
    209 entry:
    210   tail call void @f14(double 3.500000e+01, float 2.900000e+01, float 3.000000e+01) nounwind
    211   ret void
    212 }
    213 
    214 declare void @f14(double, float, float)
    215 
    216 ; $f12, $f14, ($6, $7)
    217 ; ALL-LABEL: testlowercall15:
    218 ; ALL-DAG:       lwc1 $f12, %lo
    219 ; ALL-DAG:       lwc1 $f14, %lo
    220 
    221 ; NO-MFHC1-DAG:  mfc1 $6, $f{{[0-9]+}}
    222 ; NO-MFHC1-DAG:  mfc1 $7, $f{{[0-9]+}}
    223 
    224 ; HAS-MFHC1-DAG: mfc1 $6, $f{{[0-9]+}}
    225 ; HAS-MFHC1-DAG: mfhc1 $7, $f{{[0-9]+}}
    226 define void @testlowercall15() nounwind {
    227 entry:
    228   tail call void @f15(float 4.800000e+01, float 3.900000e+01, double 3.700000e+01) nounwind
    229   ret void
    230 }
    231 
    232 declare void @f15(float, float, double)
    233 
    234 ; $4, $5, $6, $7
    235 ; ALL-LABEL: testlowercall16:
    236 ; ALL-DAG:       addiu $4, $zero, 62
    237 ; ALL-DAG:       lui $5, 16964
    238 ; ALL-DAG:       addiu $6, $zero, 64
    239 ; ALL-DAG:       lui $7, 16888
    240 define void @testlowercall16() nounwind {
    241 entry:
    242   tail call void @f16(i32 62, float 4.900000e+01, i32 64, float 3.100000e+01) nounwind
    243   ret void
    244 }
    245 
    246 declare void @f16(i32, float, i32, float)
    247 
    248 ; $4, $5, $6, $7
    249 ; ALL-LABEL: testlowercall17:
    250 ; ALL-DAG:       addiu $4, $zero, 72
    251 ; ALL-DAG:       lui $5, 17004
    252 ; ALL-DAG:       addiu $6, $zero, 74
    253 ; ALL-DAG:       addiu $7, $zero, 35
    254 define void @testlowercall17() nounwind {
    255 entry:
    256   tail call void @f17(i32 72, float 5.900000e+01, i32 74, i32 35) nounwind
    257   ret void
    258 }
    259 
    260 declare void @f17(i32, float, i32, i32)
    261 
    262 ; $4, $5, $6, $7
    263 ; ALL-LABEL: testlowercall18:
    264 ; ALL-DAG:       addiu $4, $zero, 82
    265 ; ALL-DAG:       addiu $5, $zero, 93
    266 ; ALL-DAG:       lui $6, 16928
    267 ; ALL-DAG:       addiu $7, $zero, 45
    268 define void @testlowercall18() nounwind {
    269 entry:
    270   tail call void @f18(i32 82, i32 93, float 4.000000e+01, i32 45) nounwind
    271   ret void
    272 }
    273 
    274 declare void @f18(i32, i32, float, i32)
    275 
    276 
    277 ; $4, ($6, $7), stack
    278 ; ALL-LABEL: testlowercall20:
    279 ; ALL-DAG:       addiu $4, $zero, 92
    280 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 16($sp)
    281 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 20($sp)
    282 
    283 ; NO-MFHC1-DAG:  mfc1 $6, $f{{[0-9]+}}
    284 ; NO-MFHC1-DAG:  mfc1 $7, $f{{[0-9]+}}
    285 
    286 ; HAS-MFHC1-DAG: mfc1 $6, $f{{[0-9]+}}
    287 ; HAS-MFHC1-DAG: mfhc1 $7, $f{{[0-9]+}}
    288 define void @testlowercall20() nounwind {
    289 entry:
    290   tail call void @f20(i32 92, double 2.600000e+01, double 4.700000e+01) nounwind
    291   ret void
    292 }
    293 
    294 declare void @f20(i32, double, double)
    295 
    296 ; $f12, $5
    297 ; ALL-LABEL: testlowercall21:
    298 ; ALL-DAG:       lwc1 $f12, %lo
    299 ; ALL-DAG:       addiu $5, $zero, 103
    300 define void @testlowercall21() nounwind {
    301 entry:
    302   tail call void @f21(float 5.800000e+01, i32 103) nounwind
    303   ret void
    304 }
    305 
    306 declare void @f21(float, i32)
    307 
    308 ; $f12, $5, ($6, $7)
    309 ; ALL-LABEL: testlowercall22:
    310 ; ALL-DAG:       lwc1 $f12, %lo
    311 ; ALL-DAG:       addiu $5, $zero, 113
    312 
    313 ; NO-MFHC1-DAG:  mfc1 $6, $f{{[0-9]+}}
    314 ; NO-MFHC1-DAG:  mfc1 $7, $f{{[0-9]+}}
    315 
    316 ; HAS-MFHC1-DAG: mfc1 $6, $f{{[0-9]+}}
    317 ; HAS-MFHC1-DAG: mfhc1 $7, $f{{[0-9]+}}
    318 define void @testlowercall22() nounwind {
    319 entry:
    320   tail call void @f22(float 6.800000e+01, i32 113, double 5.700000e+01) nounwind
    321   ret void
    322 }
    323 
    324 declare void @f22(float, i32, double)
    325 
    326 ; $f12, f6
    327 ; ALL-LABEL: testlowercall23:
    328 ; ALL-DAG:       ldc1 $f12, %lo
    329 ; ALL-DAG:       addiu $6, $zero, 123
    330 define void @testlowercall23() nounwind {
    331 entry:
    332   tail call void @f23(double 4.500000e+01, i32 123) nounwind
    333   ret void
    334 }
    335 
    336 declare void @f23(double, i32)
    337 
    338 ; $f12,$6, stack
    339 ; ALL-LABEL: testlowercall24:
    340 ; ALL-DAG:       ldc1 $f12, %lo
    341 ; ALL-DAG:       addiu $6, $zero, 133
    342 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 16($sp)
    343 ; ALL-DAG:       sw ${{[a-z0-9]+}}, 20($sp)
    344 define void @testlowercall24() nounwind {
    345 entry:
    346   tail call void @f24(double 5.500000e+01, i32 133, double 6.700000e+01) nounwind
    347   ret void
    348 }
    349 
    350 declare void @f24(double, i32, double)
    351 
    352 ; ALL-LABEL: testlowercall25:
    353 ; ALL-DAG:      lwc1 $f12, %lo
    354 ; ALL-DAG:      lwc1 $f14, %lo
    355 ; ALL-DAG:      lui $6
    356 ; ALL-DAG:      lui $7
    357 ; ALL-DAG:      lwc1 $f12, %lo
    358 ; ALL-DAG:      addiu $5, $zero, 83
    359 ; ALL-DAG:      lui $6
    360 ; ALL-DAG:      addiu $7, $zero, 25
    361 ; ALL-DAG:      addiu $4, $zero, 82
    362 ; ALL-DAG:      addiu $5, $zero, 93
    363 ; ALL-DAG:      lui $6
    364 ; ALL-DAG:      addiu $7, $zero, 45
    365 define void @testlowercall25() nounwind {
    366 entry:
    367   tail call void @f12(float 2.800000e+01, float 1.900000e+01, float 1.000000e+01, float 2.100000e+01) nounwind
    368   tail call void @f13(float 3.800000e+01, i32 83, float 2.000000e+01, i32 25) nounwind
    369   tail call void @f18(i32 82, i32 93, float 4.000000e+01, i32 45) nounwind
    370   ret void
    371 }
    372