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      1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
      2 # RUN: llc -mtriple=x86_64-linux-gnu -run-pass=legalizer %s -o - | FileCheck %s
      3 
      4 --- |
      5 
      6   define void @test_sub_i1() { ret void}
      7 
      8   define i32 @test_sub_i32(i32 %arg1, i32 %arg2) {
      9     %ret = sub i32 %arg1, %arg2
     10     ret i32 %ret
     11   }
     12 
     13 ...
     14 ---
     15 name:            test_sub_i1
     16 alignment:       4
     17 legalized:       false
     18 regBankSelected: false
     19 registers:
     20   - { id: 0, class: _, preferred-register: '' }
     21   - { id: 1, class: _, preferred-register: '' }
     22   - { id: 2, class: _, preferred-register: '' }
     23 body:             |
     24   bb.1 (%ir-block.0):
     25 
     26     ; CHECK-LABEL: name: test_sub_i1
     27     ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edx
     28     ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
     29     ; CHECK: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[COPY]](s32)
     30     ; CHECK: [[SUB:%[0-9]+]]:_(s8) = G_SUB [[TRUNC]], [[TRUNC1]]
     31     ; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
     32     ; CHECK: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 1
     33     ; CHECK: [[COPY1:%[0-9]+]]:_(s8) = COPY [[SUB]](s8)
     34     ; CHECK: [[AND:%[0-9]+]]:_(s8) = G_AND [[COPY1]], [[C]]
     35     ; CHECK: G_STORE [[AND]](s8), [[DEF]](p0) :: (store 1)
     36     ; CHECK: RET 0
     37     %0(s32) = COPY $edx
     38     %1(s1) = G_TRUNC %0(s32)
     39     %2(s1) = G_SUB %1, %1
     40     %3:_(p0) = G_IMPLICIT_DEF
     41     G_STORE %2, %3 :: (store 1)
     42     RET 0
     43 ...
     44 ---
     45 name:            test_sub_i32
     46 alignment:       4
     47 legalized:       false
     48 regBankSelected: false
     49 tracksRegLiveness: true
     50 registers:
     51   - { id: 0, class: _ }
     52   - { id: 1, class: _ }
     53   - { id: 2, class: _ }
     54 body:             |
     55   bb.1 (%ir-block.0):
     56     liveins: $edi, $esi
     57 
     58     ; CHECK-LABEL: name: test_sub_i32
     59     ; CHECK: liveins: $edi, $esi
     60     ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $edi
     61     ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $esi
     62     ; CHECK: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[COPY1]]
     63     ; CHECK: $eax = COPY [[SUB]](s32)
     64     ; CHECK: RET 0, implicit $eax
     65     %0(s32) = COPY $edi
     66     %1(s32) = COPY $esi
     67     %2(s32) = G_SUB %0, %1
     68     $eax = COPY %2(s32)
     69     RET 0, implicit $eax
     70 
     71 ...
     72