test/tools/llvm-mca/X86/Barcelona/one-idioms.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=1 -register-file-stats < %s | FileCheck %s
   3
   4 # These are dependency-breaking one-idioms.
   5 # Much like zero-idioms, but they produce ones, and do consume resources.
   6
   7 pcmpeqb %mm2, %mm2
   8 pcmpeqd %mm2, %mm2
   9 pcmpeqw %mm2, %mm2
  10
  11 pcmpeqb %xmm2, %xmm2
  12 pcmpeqd %xmm2, %xmm2
  13 pcmpeqq %xmm2, %xmm2
  14 pcmpeqw %xmm2, %xmm2
  15
  16 # CHECK:      Iterations:        100
  17 # CHECK-NEXT: Instructions:      700
  18 # CHECK-NEXT: Total Cycles:      903
  19 # CHECK-NEXT: Total uOps:        700
  20
  21 # CHECK:      Dispatch Width:    4
  22 # CHECK-NEXT: uOps Per Cycle:    0.78
  23 # CHECK-NEXT: IPC:               0.78
  24 # CHECK-NEXT: Block RThroughput: 3.0
  25
  26 # CHECK:      Instruction Info:
  27 # CHECK-NEXT: [1]: #uOps
  28 # CHECK-NEXT: [2]: Latency
  29 # CHECK-NEXT: [3]: RThroughput
  30 # CHECK-NEXT: [4]: MayLoad
  31 # CHECK-NEXT: [5]: MayStore
  32 # CHECK-NEXT: [6]: HasSideEffects (U)
  33
  34 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  35 # CHECK-NEXT:  1      3     1.00                        pcmpeqb %mm2, %mm2
  36 # CHECK-NEXT:  1      3     1.00                        pcmpeqd %mm2, %mm2
  37 # CHECK-NEXT:  1      3     1.00                        pcmpeqw %mm2, %mm2
  38 # CHECK-NEXT:  1      1     0.50                        pcmpeqb %xmm2, %xmm2
  39 # CHECK-NEXT:  1      1     0.50                        pcmpeqd %xmm2, %xmm2
  40 # CHECK-NEXT:  1      1     0.50                        pcmpeqq %xmm2, %xmm2
  41 # CHECK-NEXT:  1      1     0.50                        pcmpeqw %xmm2, %xmm2
  42
  43 # CHECK:      Register File statistics:
  44 # CHECK-NEXT: Total number of mappings created:    700
  45 # CHECK-NEXT: Max number of mappings used:         128
  46
  47 # CHECK:      Resources:
  48 # CHECK-NEXT: [0]   - SBDivider
  49 # CHECK-NEXT: [1]   - SBFPDivider
  50 # CHECK-NEXT: [2]   - SBPort0
  51 # CHECK-NEXT: [3]   - SBPort1
  52 # CHECK-NEXT: [4]   - SBPort4
  53 # CHECK-NEXT: [5]   - SBPort5
  54 # CHECK-NEXT: [6.0] - SBPort23
  55 # CHECK-NEXT: [6.1] - SBPort23
  56
  57 # CHECK:      Resource pressure per iteration:
  58 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]
  59 # CHECK-NEXT:  -      -      -     4.10    -     2.90    -      -
  60
  61 # CHECK:      Resource pressure by instruction:
  62 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  Instructions:
  63 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpeqb   %mm2, %mm2
  64 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpeqd   %mm2, %mm2
  65 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpeqw   %mm2, %mm2
  66 # CHECK-NEXT:  -      -      -     0.10    -     0.90    -      -     pcmpeqb   %xmm2, %xmm2
  67 # CHECK-NEXT:  -      -      -     0.10    -     0.90    -      -     pcmpeqd   %xmm2, %xmm2
  68 # CHECK-NEXT:  -      -      -     0.11    -     0.89    -      -     pcmpeqq   %xmm2, %xmm2
  69 # CHECK-NEXT:  -      -      -     0.79    -     0.21    -      -     pcmpeqw   %xmm2, %xmm2
  70
  71 # CHECK:      Timeline view:
  72 # CHECK-NEXT:                     01
  73 # CHECK-NEXT: Index     0123456789
  74
  75 # CHECK:      [0,0]     DeeeER    ..   pcmpeqb  %mm2, %mm2
  76 # CHECK-NEXT: [0,1]     D===eeeER ..   pcmpeqd  %mm2, %mm2
  77 # CHECK-NEXT: [0,2]     D======eeeER   pcmpeqw  %mm2, %mm2
  78 # CHECK-NEXT: [0,3]     DeE--------R   pcmpeqb  %xmm2, %xmm2
  79 # CHECK-NEXT: [0,4]     .DeE-------R   pcmpeqd  %xmm2, %xmm2
  80 # CHECK-NEXT: [0,5]     .D=eE------R   pcmpeqq  %xmm2, %xmm2
  81 # CHECK-NEXT: [0,6]     .D==eE-----R   pcmpeqw  %xmm2, %xmm2
  82
  83 # CHECK:      Average Wait times (based on the timeline view):
  84 # CHECK-NEXT: [0]: Executions
  85 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  86 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  87 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  88
  89 # CHECK:            [0]    [1]    [2]    [3]
  90 # CHECK-NEXT: 0.     1     1.0    1.0    0.0       pcmpeqb      %mm2, %mm2
  91 # CHECK-NEXT: 1.     1     4.0    0.0    0.0       pcmpeqd      %mm2, %mm2
  92 # CHECK-NEXT: 2.     1     7.0    0.0    0.0       pcmpeqw      %mm2, %mm2
  93 # CHECK-NEXT: 3.     1     1.0    1.0    8.0       pcmpeqb      %xmm2, %xmm2
  94 # CHECK-NEXT: 4.     1     1.0    0.0    7.0       pcmpeqd      %xmm2, %xmm2
  95 # CHECK-NEXT: 5.     1     2.0    0.0    6.0       pcmpeqq      %xmm2, %xmm2
  96 # CHECK-NEXT: 6.     1     3.0    0.0    5.0       pcmpeqw      %xmm2, %xmm2
  97 # CHECK-NEXT:        1     2.7    0.3    3.7       <total>