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