llvm/test/CodeGen/AArch64/GlobalISel/combine-fneg.mir

   1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
   2 # RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs  %s | FileCheck %s
   3 ---
   4 name:            test_combine_fneg_fneg
   5 body:             |
   6   bb.1:
   7   liveins: $w0
   8     ; CHECK-LABEL: name: test_combine_fneg_fneg
   9     ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
  10     ; CHECK: $w0 = COPY [[COPY]](s32)
  11     %0:_(s32) = COPY $w0
  12     %1:_(s32) = G_FNEG %0(s32)
  13     %2:_(s32) = G_FNEG %1(s32)
  14     $w0 = COPY %2(s32)
  15 ...
  16 ---
  17 name:            test_combine_fneg_fneg_vec
  18 body:             |
  19   bb.1:
  20   liveins: $x0
  21     ; CHECK-LABEL: name: test_combine_fneg_fneg_vec
  22     ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $x0
  23     ; CHECK: $x0 = COPY [[COPY]](<2 x s32>)
  24     %0:_(<2 x s32>) = COPY $x0
  25     %1:_(<2 x s32>) = G_FNEG %0(<2 x s32>)
  26     %2:_(<2 x s32>) = G_FNEG %1(<2 x s32>)
  27     $x0 = COPY %2(<2 x s32>)
  28 ...
  29 ---
  30 name:            test_combine_half_fneg_neg_constant
  31 body:             |
  32   bb.1:
  33     ; CHECK-LABEL: name: test_combine_half_fneg_neg_constant
  34     ; CHECK: [[C:%[0-9]+]]:_(s16) = G_FCONSTANT half 0xH4580
  35     ; CHECK: $h0 = COPY [[C]](s16)
  36     %0:_(s16) = G_FCONSTANT half 0xHC580
  37     %1:_(s16) = G_FNEG %0
  38     $h0 = COPY %1(s16)
  39 ...
  40 ---
  41 name:            test_combine_half_fneg_pos_constant
  42 body:             |
  43   bb.1:
  44     ; CHECK-LABEL: name: test_combine_half_fneg_pos_constant
  45     ; CHECK: [[C:%[0-9]+]]:_(s16) = G_FCONSTANT half 0xHC580
  46     ; CHECK: $h0 = COPY [[C]](s16)
  47     %0:_(s16) = G_FCONSTANT half 0xH4580
  48     %1:_(s16) = G_FNEG %0
  49     $h0 = COPY %1(s16)
  50 ...
  51 ---
  52 name:            test_combine_float_fneg_neg_constant
  53 body:             |
  54   bb.1:
  55     ; CHECK-LABEL: name: test_combine_float_fneg_neg_constant
  56     ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 5.500000e+00
  57     ; CHECK: $w0 = COPY [[C]](s32)
  58     %0:_(s32) = G_FCONSTANT float -5.500000e+00
  59     %1:_(s32) = G_FNEG %0
  60     $w0 = COPY %1(s32)
  61 ...
  62 ---
  63 name:            test_combine_float_fneg_pos_constant
  64 body:             |
  65   bb.1:
  66     ; CHECK-LABEL: name: test_combine_float_fneg_pos_constant
  67     ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float -5.500000e+00
  68     ; CHECK: $w0 = COPY [[C]](s32)
  69     %0:_(s32) = G_FCONSTANT float 5.500000e+00
  70     %1:_(s32) = G_FNEG %0
  71     $w0 = COPY %1(s32)
  72 ...
  73 ---
  74 name:            test_combine_double_fneg_neg_constant
  75 body:             |
  76   bb.1:
  77     ; CHECK-LABEL: name: test_combine_double_fneg_neg_constant
  78     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double 4.200000e+00
  79     ; CHECK: $x0 = COPY [[C]](s64)
  80     %0:_(s64) = G_FCONSTANT double -4.200000e+00
  81     %1:_(s64) = G_FNEG %0
  82     $x0 = COPY %1(s64)
  83 ...
  84 ---
  85 name:            test_combine_double_fneg_pos_constant
  86 body:             |
  87   bb.1:
  88     ; CHECK-LABEL: name: test_combine_double_fneg_pos_constant
  89     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_FCONSTANT double -4.200000e+00
  90     ; CHECK: $x0 = COPY [[C]](s64)
  91     %0:_(s64) = G_FCONSTANT double 4.200000e+00
  92     %1:_(s64) = G_FNEG %0
  93     $x0 = COPY %1(s64)
  94 ...