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      1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
      2 # RUN: llc -mtriple=mips-img-linux-gnu -mcpu=mips32r6 -mattr=+micromips -o - %s -start-before mips-delay-slot-filler -stop-after mips-branch-expansion | FileCheck %s --check-prefix=MMR6
      3 # RUN: llc -mtriple=mips-img-linux-gnu -mcpu=mips32r6 -mattr=+micromips -o - %s -start-before mips-delay-slot-filler -stop-after mips-branch-expansion -relocation-model=pic | FileCheck %s --check-prefix=PIC
      4 
      5 # Test the long branch expansion of various branches
      6 
      7 --- |
      8   define void @expand_BEQC_MMR6(i1 %a) {
      9     br i1 %a, label %iftrue, label %tail
     10 
     11   iftrue:
     12     call void asm sideeffect ".space 131068", ""()
     13     br label %tail
     14 
     15   tail:
     16     ret void
     17   }
     18 
     19   define void @expand_BNEC_MMR6(i1 %a) {
     20     br i1 %a, label %iftrue, label %tail
     21 
     22   iftrue:
     23     call void asm sideeffect ".space 131068", ""()
     24     br label %tail
     25 
     26   tail:
     27     ret void
     28   }
     29 
     30   define void @expand_BGEC_MMR6(i1 %a) {
     31     br i1 %a, label %iftrue, label %tail
     32 
     33   iftrue:
     34     call void asm sideeffect ".space 131068", ""()
     35     br label %tail
     36 
     37   tail:
     38     ret void
     39   }
     40 
     41   define void @expand_BGEUC_MMR6(i1 %a) {
     42     br i1 %a, label %iftrue, label %tail
     43 
     44   iftrue:
     45     call void asm sideeffect ".space 131068", ""()
     46     br label %tail
     47 
     48   tail:
     49     ret void
     50   }
     51 
     52   define void @expand_BGEZC_MMR6(i1 %a) {
     53     br i1 %a, label %iftrue, label %tail
     54 
     55   iftrue:
     56     call void asm sideeffect ".space 131068", ""()
     57     br label %tail
     58 
     59   tail:
     60     ret void
     61   }
     62 
     63   define void @expand_BGTZC_MMR6(i1 %a) {
     64     br i1 %a, label %iftrue, label %tail
     65 
     66   iftrue:
     67     call void asm sideeffect ".space 131068", ""()
     68     br label %tail
     69 
     70   tail:
     71     ret void
     72   }
     73 
     74   define void @expand_BLEZC_MMR6(i1 %a) {
     75     br i1 %a, label %iftrue, label %tail
     76 
     77   iftrue:
     78     call void asm sideeffect ".space 131068", ""()
     79     br label %tail
     80 
     81   tail:
     82     ret void
     83   }
     84 
     85   define void @expand_BLTC_MMR6(i1 %a) {
     86     br i1 %a, label %iftrue, label %tail
     87 
     88   iftrue:
     89     call void asm sideeffect ".space 131068", ""()
     90     br label %tail
     91 
     92   tail:
     93     ret void
     94   }
     95 
     96   define void @expand_BLTUC_MMR6(i1 %a) {
     97     br i1 %a, label %iftrue, label %tail
     98 
     99   iftrue:
    100     call void asm sideeffect ".space 131068", ""()
    101     br label %tail
    102 
    103   tail:
    104     ret void
    105   }
    106 
    107   define void @expand_BLTZC_MMR6(i1 %a) {
    108     br i1 %a, label %iftrue, label %tail
    109 
    110   iftrue:
    111     call void asm sideeffect ".space 131068", ""()
    112     br label %tail
    113 
    114   tail:
    115     ret void
    116   }
    117 
    118   define void @expand_BEQZC_MMR6(i1 %a) {
    119     br i1 %a, label %iftrue, label %tail
    120 
    121   iftrue:
    122     call void asm sideeffect ".space 8388608", ""()
    123     br label %tail
    124 
    125   tail:
    126     ret void
    127   }
    128 
    129   define void @expand_BNEZC_MMR6(i1 %a) {
    130     br i1 %a, label %iftrue, label %tail
    131 
    132   iftrue:
    133     call void asm sideeffect ".space 8388608", ""()
    134     br label %tail
    135 
    136   tail:
    137     ret void
    138   }
    139 
    140 ...
    141 ---
    142 
    143 name:            expand_BEQC_MMR6
    144 alignment:       2
    145 exposesReturnsTwice: false
    146 legalized:       false
    147 regBankSelected: false
    148 selected:        false
    149 failedISel:      false
    150 tracksRegLiveness: true
    151 registers:
    152 liveins:
    153   - { reg: '$a0', virtual-reg: '' }
    154 frameInfo:
    155   isFrameAddressTaken: false
    156   isReturnAddressTaken: false
    157   hasStackMap:     false
    158   hasPatchPoint:   false
    159   stackSize:       0
    160   offsetAdjustment: 0
    161   maxAlignment:    1
    162   adjustsStack:    false
    163   hasCalls:        false
    164   stackProtector:  ''
    165   maxCallFrameSize: 0
    166   hasOpaqueSPAdjustment: false
    167   hasVAStart:      false
    168   hasMustTailInVarArgFunc: false
    169   localFrameSize:  0
    170   savePoint:       ''
    171   restorePoint:    ''
    172 fixedStack:
    173 stack:
    174 constants:
    175 body:             |
    176   ; MMR6-LABEL: name: expand_BEQC_MMR6
    177   ; MMR6: bb.0 (%ir-block.0):
    178   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    179   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    180   ; MMR6:   BNEC_MMR6 $at, $zero, %bb.2, implicit-def $at
    181   ; MMR6: bb.1 (%ir-block.0):
    182   ; MMR6:   successors: %bb.3(0x80000000)
    183   ; MMR6:   BC_MMR6 %bb.3
    184   ; MMR6: bb.2.iftrue:
    185   ; MMR6:   successors: %bb.3(0x80000000)
    186   ; MMR6:   INLINEASM &".space 131068", 1
    187   ; MMR6: bb.3.tail:
    188   ; MMR6:   JRC16_MM undef $ra
    189   ; PIC-LABEL: name: expand_BEQC_MMR6
    190   ; PIC: bb.0 (%ir-block.0):
    191   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    192   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    193   ; PIC:   BNEC_MMR6 $at, $zero, %bb.3, implicit-def $at
    194   ; PIC: bb.1 (%ir-block.0):
    195   ; PIC:   successors: %bb.2(0x80000000)
    196   ; PIC:   $sp = ADDiu $sp, -8
    197   ; PIC:   SW $ra, $sp, 0
    198   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    199   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    200   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    201   ; PIC: bb.2 (%ir-block.0):
    202   ; PIC:   successors: %bb.4(0x80000000)
    203   ; PIC:   $at = ADDu $ra, $at
    204   ; PIC:   $ra = LW $sp, 0
    205   ; PIC:   $sp = ADDiu $sp, 8
    206   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    207   ; PIC: bb.3.iftrue:
    208   ; PIC:   successors: %bb.4(0x80000000)
    209   ; PIC:   INLINEASM &".space 131068", 1
    210   ; PIC: bb.4.tail:
    211   ; PIC:   JRC16_MM undef $ra
    212   bb.0 (%ir-block.0):
    213     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    214     liveins: $a0
    215 
    216     renamable $at = ANDi killed renamable $a0, 1
    217     BEQC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    218 
    219   bb.1.iftrue:
    220     successors: %bb.2(0x80000000)
    221 
    222     INLINEASM &".space 131068", 1
    223 
    224   bb.2.tail:
    225     PseudoReturn undef $ra
    226 
    227 ...
    228 ---
    229 
    230 name:            expand_BNEC_MMR6
    231 alignment:       2
    232 exposesReturnsTwice: false
    233 legalized:       false
    234 regBankSelected: false
    235 selected:        false
    236 failedISel:      false
    237 tracksRegLiveness: true
    238 registers:
    239 liveins:
    240   - { reg: '$a0', virtual-reg: '' }
    241 frameInfo:
    242   isFrameAddressTaken: false
    243   isReturnAddressTaken: false
    244   hasStackMap:     false
    245   hasPatchPoint:   false
    246   stackSize:       0
    247   offsetAdjustment: 0
    248   maxAlignment:    1
    249   adjustsStack:    false
    250   hasCalls:        false
    251   stackProtector:  ''
    252   maxCallFrameSize: 0
    253   hasOpaqueSPAdjustment: false
    254   hasVAStart:      false
    255   hasMustTailInVarArgFunc: false
    256   localFrameSize:  0
    257   savePoint:       ''
    258   restorePoint:    ''
    259 fixedStack:
    260 stack:
    261 constants:
    262 body:             |
    263   ; MMR6-LABEL: name: expand_BNEC_MMR6
    264   ; MMR6: bb.0 (%ir-block.0):
    265   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    266   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    267   ; MMR6:   BEQC_MMR6 $at, $zero, %bb.2, implicit-def $at
    268   ; MMR6: bb.1 (%ir-block.0):
    269   ; MMR6:   successors: %bb.3(0x80000000)
    270   ; MMR6:   BC_MMR6 %bb.3
    271   ; MMR6: bb.2.iftrue:
    272   ; MMR6:   successors: %bb.3(0x80000000)
    273   ; MMR6:   INLINEASM &".space 131068", 1
    274   ; MMR6: bb.3.tail:
    275   ; MMR6:   JRC16_MM undef $ra
    276   ; PIC-LABEL: name: expand_BNEC_MMR6
    277   ; PIC: bb.0 (%ir-block.0):
    278   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    279   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    280   ; PIC:   BEQC_MMR6 $at, $zero, %bb.3, implicit-def $at
    281   ; PIC: bb.1 (%ir-block.0):
    282   ; PIC:   successors: %bb.2(0x80000000)
    283   ; PIC:   $sp = ADDiu $sp, -8
    284   ; PIC:   SW $ra, $sp, 0
    285   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    286   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    287   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    288   ; PIC: bb.2 (%ir-block.0):
    289   ; PIC:   successors: %bb.4(0x80000000)
    290   ; PIC:   $at = ADDu $ra, $at
    291   ; PIC:   $ra = LW $sp, 0
    292   ; PIC:   $sp = ADDiu $sp, 8
    293   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    294   ; PIC: bb.3.iftrue:
    295   ; PIC:   successors: %bb.4(0x80000000)
    296   ; PIC:   INLINEASM &".space 131068", 1
    297   ; PIC: bb.4.tail:
    298   ; PIC:   JRC16_MM undef $ra
    299   bb.0 (%ir-block.0):
    300     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    301     liveins: $a0
    302 
    303     renamable $at = ANDi killed renamable $a0, 1
    304     BNEC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    305 
    306   bb.1.iftrue:
    307     successors: %bb.2(0x80000000)
    308 
    309     INLINEASM &".space 131068", 1
    310 
    311   bb.2.tail:
    312     PseudoReturn undef $ra
    313 
    314 ...
    315 ---
    316 
    317 name:            expand_BGEC_MMR6
    318 alignment:       2
    319 exposesReturnsTwice: false
    320 legalized:       false
    321 regBankSelected: false
    322 selected:        false
    323 failedISel:      false
    324 tracksRegLiveness: true
    325 registers:
    326 liveins:
    327   - { reg: '$a0', virtual-reg: '' }
    328 frameInfo:
    329   isFrameAddressTaken: false
    330   isReturnAddressTaken: false
    331   hasStackMap:     false
    332   hasPatchPoint:   false
    333   stackSize:       0
    334   offsetAdjustment: 0
    335   maxAlignment:    1
    336   adjustsStack:    false
    337   hasCalls:        false
    338   stackProtector:  ''
    339   maxCallFrameSize: 0
    340   hasOpaqueSPAdjustment: false
    341   hasVAStart:      false
    342   hasMustTailInVarArgFunc: false
    343   localFrameSize:  0
    344   savePoint:       ''
    345   restorePoint:    ''
    346 fixedStack:
    347 stack:
    348 constants:
    349 body:             |
    350   ; MMR6-LABEL: name: expand_BGEC_MMR6
    351   ; MMR6: bb.0 (%ir-block.0):
    352   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    353   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    354   ; MMR6:   BLTC_MMR6 $at, $zero, %bb.2, implicit-def $at
    355   ; MMR6: bb.1 (%ir-block.0):
    356   ; MMR6:   successors: %bb.3(0x80000000)
    357   ; MMR6:   BC_MMR6 %bb.3
    358   ; MMR6: bb.2.iftrue:
    359   ; MMR6:   successors: %bb.3(0x80000000)
    360   ; MMR6:   INLINEASM &".space 131068", 1
    361   ; MMR6: bb.3.tail:
    362   ; MMR6:   JRC16_MM undef $ra
    363   ; PIC-LABEL: name: expand_BGEC_MMR6
    364   ; PIC: bb.0 (%ir-block.0):
    365   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    366   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    367   ; PIC:   BLTC_MMR6 $at, $zero, %bb.3, implicit-def $at
    368   ; PIC: bb.1 (%ir-block.0):
    369   ; PIC:   successors: %bb.2(0x80000000)
    370   ; PIC:   $sp = ADDiu $sp, -8
    371   ; PIC:   SW $ra, $sp, 0
    372   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    373   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    374   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    375   ; PIC: bb.2 (%ir-block.0):
    376   ; PIC:   successors: %bb.4(0x80000000)
    377   ; PIC:   $at = ADDu $ra, $at
    378   ; PIC:   $ra = LW $sp, 0
    379   ; PIC:   $sp = ADDiu $sp, 8
    380   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    381   ; PIC: bb.3.iftrue:
    382   ; PIC:   successors: %bb.4(0x80000000)
    383   ; PIC:   INLINEASM &".space 131068", 1
    384   ; PIC: bb.4.tail:
    385   ; PIC:   JRC16_MM undef $ra
    386   bb.0 (%ir-block.0):
    387     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    388     liveins: $a0
    389 
    390     renamable $at = ANDi killed renamable $a0, 1
    391     BGEC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    392 
    393   bb.1.iftrue:
    394     successors: %bb.2(0x80000000)
    395 
    396     INLINEASM &".space 131068", 1
    397 
    398   bb.2.tail:
    399     PseudoReturn undef $ra
    400 
    401 ...
    402 ---
    403 
    404 name:            expand_BGEUC_MMR6
    405 alignment:       2
    406 exposesReturnsTwice: false
    407 legalized:       false
    408 regBankSelected: false
    409 selected:        false
    410 failedISel:      false
    411 tracksRegLiveness: true
    412 registers:
    413 liveins:
    414   - { reg: '$a0', virtual-reg: '' }
    415 frameInfo:
    416   isFrameAddressTaken: false
    417   isReturnAddressTaken: false
    418   hasStackMap:     false
    419   hasPatchPoint:   false
    420   stackSize:       0
    421   offsetAdjustment: 0
    422   maxAlignment:    1
    423   adjustsStack:    false
    424   hasCalls:        false
    425   stackProtector:  ''
    426   maxCallFrameSize: 0
    427   hasOpaqueSPAdjustment: false
    428   hasVAStart:      false
    429   hasMustTailInVarArgFunc: false
    430   localFrameSize:  0
    431   savePoint:       ''
    432   restorePoint:    ''
    433 fixedStack:
    434 stack:
    435 constants:
    436 body:             |
    437   ; MMR6-LABEL: name: expand_BGEUC_MMR6
    438   ; MMR6: bb.0 (%ir-block.0):
    439   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    440   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    441   ; MMR6:   BLTUC_MMR6 $at, $zero, %bb.2, implicit-def $at
    442   ; MMR6: bb.1 (%ir-block.0):
    443   ; MMR6:   successors: %bb.3(0x80000000)
    444   ; MMR6:   BC_MMR6 %bb.3
    445   ; MMR6: bb.2.iftrue:
    446   ; MMR6:   successors: %bb.3(0x80000000)
    447   ; MMR6:   INLINEASM &".space 131068", 1
    448   ; MMR6: bb.3.tail:
    449   ; MMR6:   JRC16_MM undef $ra
    450   ; PIC-LABEL: name: expand_BGEUC_MMR6
    451   ; PIC: bb.0 (%ir-block.0):
    452   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    453   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    454   ; PIC:   BLTUC_MMR6 $at, $zero, %bb.3, implicit-def $at
    455   ; PIC: bb.1 (%ir-block.0):
    456   ; PIC:   successors: %bb.2(0x80000000)
    457   ; PIC:   $sp = ADDiu $sp, -8
    458   ; PIC:   SW $ra, $sp, 0
    459   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    460   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    461   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    462   ; PIC: bb.2 (%ir-block.0):
    463   ; PIC:   successors: %bb.4(0x80000000)
    464   ; PIC:   $at = ADDu $ra, $at
    465   ; PIC:   $ra = LW $sp, 0
    466   ; PIC:   $sp = ADDiu $sp, 8
    467   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    468   ; PIC: bb.3.iftrue:
    469   ; PIC:   successors: %bb.4(0x80000000)
    470   ; PIC:   INLINEASM &".space 131068", 1
    471   ; PIC: bb.4.tail:
    472   ; PIC:   JRC16_MM undef $ra
    473   bb.0 (%ir-block.0):
    474     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    475     liveins: $a0
    476 
    477     renamable $at = ANDi killed renamable $a0, 1
    478     BGEUC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    479 
    480   bb.1.iftrue:
    481     successors: %bb.2(0x80000000)
    482 
    483     INLINEASM &".space 131068", 1
    484 
    485   bb.2.tail:
    486     PseudoReturn undef $ra
    487 
    488 ...
    489 ---
    490 
    491 name:            expand_BGEZC_MMR6
    492 alignment:       2
    493 exposesReturnsTwice: false
    494 legalized:       false
    495 regBankSelected: false
    496 selected:        false
    497 failedISel:      false
    498 tracksRegLiveness: true
    499 registers:
    500 liveins:
    501   - { reg: '$a0', virtual-reg: '' }
    502 frameInfo:
    503   isFrameAddressTaken: false
    504   isReturnAddressTaken: false
    505   hasStackMap:     false
    506   hasPatchPoint:   false
    507   stackSize:       0
    508   offsetAdjustment: 0
    509   maxAlignment:    1
    510   adjustsStack:    false
    511   hasCalls:        false
    512   stackProtector:  ''
    513   maxCallFrameSize: 0
    514   hasOpaqueSPAdjustment: false
    515   hasVAStart:      false
    516   hasMustTailInVarArgFunc: false
    517   localFrameSize:  0
    518   savePoint:       ''
    519   restorePoint:    ''
    520 fixedStack:
    521 stack:
    522 constants:
    523 body:             |
    524   ; MMR6-LABEL: name: expand_BGEZC_MMR6
    525   ; MMR6: bb.0 (%ir-block.0):
    526   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    527   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    528   ; MMR6:   BLTZC_MMR6 $at, %bb.2, implicit-def $at
    529   ; MMR6: bb.1 (%ir-block.0):
    530   ; MMR6:   successors: %bb.3(0x80000000)
    531   ; MMR6:   BC_MMR6 %bb.3
    532   ; MMR6: bb.2.iftrue:
    533   ; MMR6:   successors: %bb.3(0x80000000)
    534   ; MMR6:   INLINEASM &".space 131068", 1
    535   ; MMR6: bb.3.tail:
    536   ; MMR6:   JRC16_MM undef $ra
    537   ; PIC-LABEL: name: expand_BGEZC_MMR6
    538   ; PIC: bb.0 (%ir-block.0):
    539   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    540   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    541   ; PIC:   BLTZC_MMR6 $at, %bb.3, implicit-def $at
    542   ; PIC: bb.1 (%ir-block.0):
    543   ; PIC:   successors: %bb.2(0x80000000)
    544   ; PIC:   $sp = ADDiu $sp, -8
    545   ; PIC:   SW $ra, $sp, 0
    546   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    547   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    548   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    549   ; PIC: bb.2 (%ir-block.0):
    550   ; PIC:   successors: %bb.4(0x80000000)
    551   ; PIC:   $at = ADDu $ra, $at
    552   ; PIC:   $ra = LW $sp, 0
    553   ; PIC:   $sp = ADDiu $sp, 8
    554   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    555   ; PIC: bb.3.iftrue:
    556   ; PIC:   successors: %bb.4(0x80000000)
    557   ; PIC:   INLINEASM &".space 131068", 1
    558   ; PIC: bb.4.tail:
    559   ; PIC:   JRC16_MM undef $ra
    560   bb.0 (%ir-block.0):
    561     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    562     liveins: $a0
    563 
    564     renamable $at = ANDi killed renamable $a0, 1
    565     BGEZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
    566 
    567   bb.1.iftrue:
    568     successors: %bb.2(0x80000000)
    569 
    570     INLINEASM &".space 131068", 1
    571 
    572   bb.2.tail:
    573     PseudoReturn undef $ra
    574 
    575 ...
    576 ---
    577 
    578 name:            expand_BGTZC_MMR6
    579 alignment:       2
    580 exposesReturnsTwice: false
    581 legalized:       false
    582 regBankSelected: false
    583 selected:        false
    584 failedISel:      false
    585 tracksRegLiveness: true
    586 registers:
    587 liveins:
    588   - { reg: '$a0', virtual-reg: '' }
    589 frameInfo:
    590   isFrameAddressTaken: false
    591   isReturnAddressTaken: false
    592   hasStackMap:     false
    593   hasPatchPoint:   false
    594   stackSize:       0
    595   offsetAdjustment: 0
    596   maxAlignment:    1
    597   adjustsStack:    false
    598   hasCalls:        false
    599   stackProtector:  ''
    600   maxCallFrameSize: 0
    601   hasOpaqueSPAdjustment: false
    602   hasVAStart:      false
    603   hasMustTailInVarArgFunc: false
    604   localFrameSize:  0
    605   savePoint:       ''
    606   restorePoint:    ''
    607 fixedStack:
    608 stack:
    609 constants:
    610 body:             |
    611   ; MMR6-LABEL: name: expand_BGTZC_MMR6
    612   ; MMR6: bb.0 (%ir-block.0):
    613   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    614   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    615   ; MMR6:   BLEZC_MMR6 $at, %bb.2, implicit-def $at
    616   ; MMR6: bb.1 (%ir-block.0):
    617   ; MMR6:   successors: %bb.3(0x80000000)
    618   ; MMR6:   BC_MMR6 %bb.3
    619   ; MMR6: bb.2.iftrue:
    620   ; MMR6:   successors: %bb.3(0x80000000)
    621   ; MMR6:   INLINEASM &".space 131068", 1
    622   ; MMR6: bb.3.tail:
    623   ; MMR6:   JRC16_MM undef $ra
    624   ; PIC-LABEL: name: expand_BGTZC_MMR6
    625   ; PIC: bb.0 (%ir-block.0):
    626   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    627   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    628   ; PIC:   BLEZC_MMR6 $at, %bb.3, implicit-def $at
    629   ; PIC: bb.1 (%ir-block.0):
    630   ; PIC:   successors: %bb.2(0x80000000)
    631   ; PIC:   $sp = ADDiu $sp, -8
    632   ; PIC:   SW $ra, $sp, 0
    633   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    634   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    635   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    636   ; PIC: bb.2 (%ir-block.0):
    637   ; PIC:   successors: %bb.4(0x80000000)
    638   ; PIC:   $at = ADDu $ra, $at
    639   ; PIC:   $ra = LW $sp, 0
    640   ; PIC:   $sp = ADDiu $sp, 8
    641   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    642   ; PIC: bb.3.iftrue:
    643   ; PIC:   successors: %bb.4(0x80000000)
    644   ; PIC:   INLINEASM &".space 131068", 1
    645   ; PIC: bb.4.tail:
    646   ; PIC:   JRC16_MM undef $ra
    647   bb.0 (%ir-block.0):
    648     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    649     liveins: $a0
    650 
    651     renamable $at = ANDi killed renamable $a0, 1
    652     BGTZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
    653 
    654   bb.1.iftrue:
    655     successors: %bb.2(0x80000000)
    656 
    657     INLINEASM &".space 131068", 1
    658 
    659   bb.2.tail:
    660     PseudoReturn undef $ra
    661 
    662 ...
    663 ---
    664 
    665 name:            expand_BLEZC_MMR6
    666 alignment:       2
    667 exposesReturnsTwice: false
    668 legalized:       false
    669 regBankSelected: false
    670 selected:        false
    671 failedISel:      false
    672 tracksRegLiveness: true
    673 registers:
    674 liveins:
    675   - { reg: '$a0', virtual-reg: '' }
    676 frameInfo:
    677   isFrameAddressTaken: false
    678   isReturnAddressTaken: false
    679   hasStackMap:     false
    680   hasPatchPoint:   false
    681   stackSize:       0
    682   offsetAdjustment: 0
    683   maxAlignment:    1
    684   adjustsStack:    false
    685   hasCalls:        false
    686   stackProtector:  ''
    687   maxCallFrameSize: 0
    688   hasOpaqueSPAdjustment: false
    689   hasVAStart:      false
    690   hasMustTailInVarArgFunc: false
    691   localFrameSize:  0
    692   savePoint:       ''
    693   restorePoint:    ''
    694 fixedStack:
    695 stack:
    696 constants:
    697 body:             |
    698   ; MMR6-LABEL: name: expand_BLEZC_MMR6
    699   ; MMR6: bb.0 (%ir-block.0):
    700   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    701   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    702   ; MMR6:   BGTZC_MMR6 $at, %bb.2, implicit-def $at
    703   ; MMR6: bb.1 (%ir-block.0):
    704   ; MMR6:   successors: %bb.3(0x80000000)
    705   ; MMR6:   BC_MMR6 %bb.3
    706   ; MMR6: bb.2.iftrue:
    707   ; MMR6:   successors: %bb.3(0x80000000)
    708   ; MMR6:   INLINEASM &".space 131068", 1
    709   ; MMR6: bb.3.tail:
    710   ; MMR6:   JRC16_MM undef $ra
    711   ; PIC-LABEL: name: expand_BLEZC_MMR6
    712   ; PIC: bb.0 (%ir-block.0):
    713   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    714   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    715   ; PIC:   BGTZC_MMR6 $at, %bb.3, implicit-def $at
    716   ; PIC: bb.1 (%ir-block.0):
    717   ; PIC:   successors: %bb.2(0x80000000)
    718   ; PIC:   $sp = ADDiu $sp, -8
    719   ; PIC:   SW $ra, $sp, 0
    720   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    721   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    722   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    723   ; PIC: bb.2 (%ir-block.0):
    724   ; PIC:   successors: %bb.4(0x80000000)
    725   ; PIC:   $at = ADDu $ra, $at
    726   ; PIC:   $ra = LW $sp, 0
    727   ; PIC:   $sp = ADDiu $sp, 8
    728   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    729   ; PIC: bb.3.iftrue:
    730   ; PIC:   successors: %bb.4(0x80000000)
    731   ; PIC:   INLINEASM &".space 131068", 1
    732   ; PIC: bb.4.tail:
    733   ; PIC:   JRC16_MM undef $ra
    734   bb.0 (%ir-block.0):
    735     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    736     liveins: $a0
    737 
    738     renamable $at = ANDi killed renamable $a0, 1
    739     BLEZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
    740 
    741   bb.1.iftrue:
    742     successors: %bb.2(0x80000000)
    743 
    744     INLINEASM &".space 131068", 1
    745 
    746   bb.2.tail:
    747     PseudoReturn undef $ra
    748 
    749 ...
    750 ---
    751 
    752 name:            expand_BLTC_MMR6
    753 alignment:       2
    754 exposesReturnsTwice: false
    755 legalized:       false
    756 regBankSelected: false
    757 selected:        false
    758 failedISel:      false
    759 tracksRegLiveness: true
    760 registers:
    761 liveins:
    762   - { reg: '$a0', virtual-reg: '' }
    763 frameInfo:
    764   isFrameAddressTaken: false
    765   isReturnAddressTaken: false
    766   hasStackMap:     false
    767   hasPatchPoint:   false
    768   stackSize:       0
    769   offsetAdjustment: 0
    770   maxAlignment:    1
    771   adjustsStack:    false
    772   hasCalls:        false
    773   stackProtector:  ''
    774   maxCallFrameSize: 0
    775   hasOpaqueSPAdjustment: false
    776   hasVAStart:      false
    777   hasMustTailInVarArgFunc: false
    778   localFrameSize:  0
    779   savePoint:       ''
    780   restorePoint:    ''
    781 fixedStack:
    782 stack:
    783 constants:
    784 body:             |
    785   ; MMR6-LABEL: name: expand_BLTC_MMR6
    786   ; MMR6: bb.0 (%ir-block.0):
    787   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    788   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    789   ; MMR6:   BGEC_MMR6 $at, $zero, %bb.2, implicit-def $at
    790   ; MMR6: bb.1 (%ir-block.0):
    791   ; MMR6:   successors: %bb.3(0x80000000)
    792   ; MMR6:   BC_MMR6 %bb.3
    793   ; MMR6: bb.2.iftrue:
    794   ; MMR6:   successors: %bb.3(0x80000000)
    795   ; MMR6:   INLINEASM &".space 131068", 1
    796   ; MMR6: bb.3.tail:
    797   ; MMR6:   JRC16_MM undef $ra
    798   ; PIC-LABEL: name: expand_BLTC_MMR6
    799   ; PIC: bb.0 (%ir-block.0):
    800   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    801   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    802   ; PIC:   BGEC_MMR6 $at, $zero, %bb.3, implicit-def $at
    803   ; PIC: bb.1 (%ir-block.0):
    804   ; PIC:   successors: %bb.2(0x80000000)
    805   ; PIC:   $sp = ADDiu $sp, -8
    806   ; PIC:   SW $ra, $sp, 0
    807   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    808   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    809   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    810   ; PIC: bb.2 (%ir-block.0):
    811   ; PIC:   successors: %bb.4(0x80000000)
    812   ; PIC:   $at = ADDu $ra, $at
    813   ; PIC:   $ra = LW $sp, 0
    814   ; PIC:   $sp = ADDiu $sp, 8
    815   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    816   ; PIC: bb.3.iftrue:
    817   ; PIC:   successors: %bb.4(0x80000000)
    818   ; PIC:   INLINEASM &".space 131068", 1
    819   ; PIC: bb.4.tail:
    820   ; PIC:   JRC16_MM undef $ra
    821   bb.0 (%ir-block.0):
    822     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    823     liveins: $a0
    824 
    825     renamable $at = ANDi killed renamable $a0, 1
    826     BLTC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    827 
    828   bb.1.iftrue:
    829     successors: %bb.2(0x80000000)
    830 
    831     INLINEASM &".space 131068", 1
    832 
    833   bb.2.tail:
    834     PseudoReturn undef $ra
    835 
    836 ...
    837 ---
    838 
    839 name:            expand_BLTUC_MMR6
    840 alignment:       2
    841 exposesReturnsTwice: false
    842 legalized:       false
    843 regBankSelected: false
    844 selected:        false
    845 failedISel:      false
    846 tracksRegLiveness: true
    847 registers:
    848 liveins:
    849   - { reg: '$a0', virtual-reg: '' }
    850 frameInfo:
    851   isFrameAddressTaken: false
    852   isReturnAddressTaken: false
    853   hasStackMap:     false
    854   hasPatchPoint:   false
    855   stackSize:       0
    856   offsetAdjustment: 0
    857   maxAlignment:    1
    858   adjustsStack:    false
    859   hasCalls:        false
    860   stackProtector:  ''
    861   maxCallFrameSize: 0
    862   hasOpaqueSPAdjustment: false
    863   hasVAStart:      false
    864   hasMustTailInVarArgFunc: false
    865   localFrameSize:  0
    866   savePoint:       ''
    867   restorePoint:    ''
    868 fixedStack:
    869 stack:
    870 constants:
    871 body:             |
    872   ; MMR6-LABEL: name: expand_BLTUC_MMR6
    873   ; MMR6: bb.0 (%ir-block.0):
    874   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    875   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    876   ; MMR6:   BGEUC_MMR6 $at, $zero, %bb.2, implicit-def $at
    877   ; MMR6: bb.1 (%ir-block.0):
    878   ; MMR6:   successors: %bb.3(0x80000000)
    879   ; MMR6:   BC_MMR6 %bb.3
    880   ; MMR6: bb.2.iftrue:
    881   ; MMR6:   successors: %bb.3(0x80000000)
    882   ; MMR6:   INLINEASM &".space 131068", 1
    883   ; MMR6: bb.3.tail:
    884   ; MMR6:   JRC16_MM undef $ra
    885   ; PIC-LABEL: name: expand_BLTUC_MMR6
    886   ; PIC: bb.0 (%ir-block.0):
    887   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    888   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    889   ; PIC:   BGEUC_MMR6 $at, $zero, %bb.3, implicit-def $at
    890   ; PIC: bb.1 (%ir-block.0):
    891   ; PIC:   successors: %bb.2(0x80000000)
    892   ; PIC:   $sp = ADDiu $sp, -8
    893   ; PIC:   SW $ra, $sp, 0
    894   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    895   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    896   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    897   ; PIC: bb.2 (%ir-block.0):
    898   ; PIC:   successors: %bb.4(0x80000000)
    899   ; PIC:   $at = ADDu $ra, $at
    900   ; PIC:   $ra = LW $sp, 0
    901   ; PIC:   $sp = ADDiu $sp, 8
    902   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    903   ; PIC: bb.3.iftrue:
    904   ; PIC:   successors: %bb.4(0x80000000)
    905   ; PIC:   INLINEASM &".space 131068", 1
    906   ; PIC: bb.4.tail:
    907   ; PIC:   JRC16_MM undef $ra
    908   bb.0 (%ir-block.0):
    909     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    910     liveins: $a0
    911 
    912     renamable $at = ANDi killed renamable $a0, 1
    913     BLTUC_MMR6 killed renamable $at, $zero, %bb.2, implicit-def $at
    914 
    915   bb.1.iftrue:
    916     successors: %bb.2(0x80000000)
    917 
    918     INLINEASM &".space 131068", 1
    919 
    920   bb.2.tail:
    921     PseudoReturn undef $ra
    922 
    923 ...
    924 ---
    925 
    926 name:            expand_BLTZC_MMR6
    927 alignment:       2
    928 exposesReturnsTwice: false
    929 legalized:       false
    930 regBankSelected: false
    931 selected:        false
    932 failedISel:      false
    933 tracksRegLiveness: true
    934 registers:
    935 liveins:
    936   - { reg: '$a0', virtual-reg: '' }
    937 frameInfo:
    938   isFrameAddressTaken: false
    939   isReturnAddressTaken: false
    940   hasStackMap:     false
    941   hasPatchPoint:   false
    942   stackSize:       0
    943   offsetAdjustment: 0
    944   maxAlignment:    1
    945   adjustsStack:    false
    946   hasCalls:        false
    947   stackProtector:  ''
    948   maxCallFrameSize: 0
    949   hasOpaqueSPAdjustment: false
    950   hasVAStart:      false
    951   hasMustTailInVarArgFunc: false
    952   localFrameSize:  0
    953   savePoint:       ''
    954   restorePoint:    ''
    955 fixedStack:
    956 stack:
    957 constants:
    958 body:             |
    959   ; MMR6-LABEL: name: expand_BLTZC_MMR6
    960   ; MMR6: bb.0 (%ir-block.0):
    961   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
    962   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
    963   ; MMR6:   BGEZC_MMR6 $at, %bb.2, implicit-def $at
    964   ; MMR6: bb.1 (%ir-block.0):
    965   ; MMR6:   successors: %bb.3(0x80000000)
    966   ; MMR6:   BC_MMR6 %bb.3
    967   ; MMR6: bb.2.iftrue:
    968   ; MMR6:   successors: %bb.3(0x80000000)
    969   ; MMR6:   INLINEASM &".space 131068", 1
    970   ; MMR6: bb.3.tail:
    971   ; MMR6:   JRC16_MM undef $ra
    972   ; PIC-LABEL: name: expand_BLTZC_MMR6
    973   ; PIC: bb.0 (%ir-block.0):
    974   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
    975   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
    976   ; PIC:   BGEZC_MMR6 $at, %bb.3, implicit-def $at
    977   ; PIC: bb.1 (%ir-block.0):
    978   ; PIC:   successors: %bb.2(0x80000000)
    979   ; PIC:   $sp = ADDiu $sp, -8
    980   ; PIC:   SW $ra, $sp, 0
    981   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
    982   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
    983   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
    984   ; PIC: bb.2 (%ir-block.0):
    985   ; PIC:   successors: %bb.4(0x80000000)
    986   ; PIC:   $at = ADDu $ra, $at
    987   ; PIC:   $ra = LW $sp, 0
    988   ; PIC:   $sp = ADDiu $sp, 8
    989   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
    990   ; PIC: bb.3.iftrue:
    991   ; PIC:   successors: %bb.4(0x80000000)
    992   ; PIC:   INLINEASM &".space 131068", 1
    993   ; PIC: bb.4.tail:
    994   ; PIC:   JRC16_MM undef $ra
    995   bb.0 (%ir-block.0):
    996     successors: %bb.1(0x40000000), %bb.2(0x40000000)
    997     liveins: $a0
    998 
    999     renamable $at = ANDi killed renamable $a0, 1
   1000     BLTZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
   1001 
   1002   bb.1.iftrue:
   1003     successors: %bb.2(0x80000000)
   1004 
   1005     INLINEASM &".space 131068", 1
   1006 
   1007   bb.2.tail:
   1008     PseudoReturn undef $ra
   1009 
   1010 ...
   1011 ---
   1012 
   1013 name:            expand_BEQZC_MMR6
   1014 alignment:       2
   1015 exposesReturnsTwice: false
   1016 legalized:       false
   1017 regBankSelected: false
   1018 selected:        false
   1019 failedISel:      false
   1020 tracksRegLiveness: true
   1021 registers:
   1022 liveins:
   1023   - { reg: '$a0', virtual-reg: '' }
   1024 frameInfo:
   1025   isFrameAddressTaken: false
   1026   isReturnAddressTaken: false
   1027   hasStackMap:     false
   1028   hasPatchPoint:   false
   1029   stackSize:       0
   1030   offsetAdjustment: 0
   1031   maxAlignment:    1
   1032   adjustsStack:    false
   1033   hasCalls:        false
   1034   stackProtector:  ''
   1035   maxCallFrameSize: 0
   1036   hasOpaqueSPAdjustment: false
   1037   hasVAStart:      false
   1038   hasMustTailInVarArgFunc: false
   1039   localFrameSize:  0
   1040   savePoint:       ''
   1041   restorePoint:    ''
   1042 fixedStack:
   1043 stack:
   1044 constants:
   1045 body:             |
   1046   ; MMR6-LABEL: name: expand_BEQZC_MMR6
   1047   ; MMR6: bb.0 (%ir-block.0):
   1048   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
   1049   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
   1050   ; MMR6:   BNEZC_MMR6 $at, %bb.2, implicit-def $at
   1051   ; MMR6: bb.1 (%ir-block.0):
   1052   ; MMR6:   successors: %bb.3(0x80000000)
   1053   ; MMR6:   BC_MMR6 %bb.3
   1054   ; MMR6: bb.2.iftrue:
   1055   ; MMR6:   successors: %bb.3(0x80000000)
   1056   ; MMR6:   INLINEASM &".space 8388608", 1
   1057   ; MMR6: bb.3.tail:
   1058   ; MMR6:   JRC16_MM undef $ra
   1059   ; PIC-LABEL: name: expand_BEQZC_MMR6
   1060   ; PIC: bb.0 (%ir-block.0):
   1061   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
   1062   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
   1063   ; PIC:   BNEZC_MMR6 $at, %bb.3, implicit-def $at
   1064   ; PIC: bb.1 (%ir-block.0):
   1065   ; PIC:   successors: %bb.2(0x80000000)
   1066   ; PIC:   $sp = ADDiu $sp, -8
   1067   ; PIC:   SW $ra, $sp, 0
   1068   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
   1069   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
   1070   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
   1071   ; PIC: bb.2 (%ir-block.0):
   1072   ; PIC:   successors: %bb.4(0x80000000)
   1073   ; PIC:   $at = ADDu $ra, $at
   1074   ; PIC:   $ra = LW $sp, 0
   1075   ; PIC:   $sp = ADDiu $sp, 8
   1076   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
   1077   ; PIC: bb.3.iftrue:
   1078   ; PIC:   successors: %bb.4(0x80000000)
   1079   ; PIC:   INLINEASM &".space 8388608", 1
   1080   ; PIC: bb.4.tail:
   1081   ; PIC:   JRC16_MM undef $ra
   1082   bb.0 (%ir-block.0):
   1083     successors: %bb.1(0x40000000), %bb.2(0x40000000)
   1084     liveins: $a0
   1085 
   1086     renamable $at = ANDi killed renamable $a0, 1
   1087     BEQZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
   1088 
   1089   bb.1.iftrue:
   1090     successors: %bb.2(0x80000000)
   1091 
   1092     INLINEASM &".space 8388608", 1
   1093 
   1094   bb.2.tail:
   1095     PseudoReturn undef $ra
   1096 
   1097 ...
   1098 ---
   1099 
   1100 name:            expand_BNEZC_MMR6
   1101 alignment:       2
   1102 exposesReturnsTwice: false
   1103 legalized:       false
   1104 regBankSelected: false
   1105 selected:        false
   1106 failedISel:      false
   1107 tracksRegLiveness: true
   1108 registers:
   1109 liveins:
   1110   - { reg: '$a0', virtual-reg: '' }
   1111 frameInfo:
   1112   isFrameAddressTaken: false
   1113   isReturnAddressTaken: false
   1114   hasStackMap:     false
   1115   hasPatchPoint:   false
   1116   stackSize:       0
   1117   offsetAdjustment: 0
   1118   maxAlignment:    1
   1119   adjustsStack:    false
   1120   hasCalls:        false
   1121   stackProtector:  ''
   1122   maxCallFrameSize: 0
   1123   hasOpaqueSPAdjustment: false
   1124   hasVAStart:      false
   1125   hasMustTailInVarArgFunc: false
   1126   localFrameSize:  0
   1127   savePoint:       ''
   1128   restorePoint:    ''
   1129 fixedStack:
   1130 stack:
   1131 constants:
   1132 body:             |
   1133   ; MMR6-LABEL: name: expand_BNEZC_MMR6
   1134   ; MMR6: bb.0 (%ir-block.0):
   1135   ; MMR6:   successors: %bb.2(0x40000000), %bb.1(0x40000000)
   1136   ; MMR6:   renamable $at = ANDi killed renamable $a0, 1
   1137   ; MMR6:   BEQZC_MMR6 $at, %bb.2, implicit-def $at
   1138   ; MMR6: bb.1 (%ir-block.0):
   1139   ; MMR6:   successors: %bb.3(0x80000000)
   1140   ; MMR6:   BC_MMR6 %bb.3
   1141   ; MMR6: bb.2.iftrue:
   1142   ; MMR6:   successors: %bb.3(0x80000000)
   1143   ; MMR6:   INLINEASM &".space 8388608", 1
   1144   ; MMR6: bb.3.tail:
   1145   ; MMR6:   JRC16_MM undef $ra
   1146   ; PIC-LABEL: name: expand_BNEZC_MMR6
   1147   ; PIC: bb.0 (%ir-block.0):
   1148   ; PIC:   successors: %bb.3(0x40000000), %bb.1(0x40000000)
   1149   ; PIC:   renamable $at = ANDi killed renamable $a0, 1
   1150   ; PIC:   BEQZC_MMR6 $at, %bb.3, implicit-def $at
   1151   ; PIC: bb.1 (%ir-block.0):
   1152   ; PIC:   successors: %bb.2(0x80000000)
   1153   ; PIC:   $sp = ADDiu $sp, -8
   1154   ; PIC:   SW $ra, $sp, 0
   1155   ; PIC:   $at = LONG_BRANCH_LUi target-flags(mips-abs-hi) %bb.4, %bb.2
   1156   ; PIC:   $at = LONG_BRANCH_ADDiu $at, target-flags(mips-abs-lo) %bb.4, %bb.2
   1157   ; PIC:   BALC_MMR6 %bb.2, implicit-def $ra
   1158   ; PIC: bb.2 (%ir-block.0):
   1159   ; PIC:   successors: %bb.4(0x80000000)
   1160   ; PIC:   $at = ADDu $ra, $at
   1161   ; PIC:   $ra = LW $sp, 0
   1162   ; PIC:   $sp = ADDiu $sp, 8
   1163   ; PIC:   JIC_MMR6 $at, 0, implicit-def $at
   1164   ; PIC: bb.3.iftrue:
   1165   ; PIC:   successors: %bb.4(0x80000000)
   1166   ; PIC:   INLINEASM &".space 8388608", 1
   1167   ; PIC: bb.4.tail:
   1168   ; PIC:   JRC16_MM undef $ra
   1169   bb.0 (%ir-block.0):
   1170     successors: %bb.1(0x40000000), %bb.2(0x40000000)
   1171     liveins: $a0
   1172 
   1173     renamable $at = ANDi killed renamable $a0, 1
   1174     BNEZC_MMR6 killed renamable $at, %bb.2, implicit-def $at
   1175 
   1176   bb.1.iftrue:
   1177     successors: %bb.2(0x80000000)
   1178 
   1179     INLINEASM &".space 8388608", 1
   1180 
   1181   bb.2.tail:
   1182     PseudoReturn undef $ra
   1183 
   1184 ...
   1185