test/tools/llvm-mca/X86/Barcelona/dependency-breaking-pcmpgt.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=3 -iterations=1500 < %s | FileCheck %s
   3
   4 # All of the vector packed compares from this test are zero idioms.  These zero
   5 # idioms are all detected and removed by the register renamer.  That means, no
   6 # uOp is executed, and there is no RAW dependency for any of the packed
   7 # compares.
   8
   9 pcmpgtb %mm0, %mm0
  10 pcmpgtd %mm0, %mm0
  11 pcmpgtw %mm0, %mm0
  12
  13 pcmpgtb %xmm0, %xmm0
  14 pcmpgtd %xmm0, %xmm0
  15 pcmpgtq %xmm0, %xmm0
  16 pcmpgtw %xmm0, %xmm0
  17
  18 # CHECK:      Iterations:        1500
  19 # CHECK-NEXT: Instructions:      10500
  20 # CHECK-NEXT: Total Cycles:      13503
  21 # CHECK-NEXT: Total uOps:        10500
  22
  23 # CHECK:      Dispatch Width:    4
  24 # CHECK-NEXT: uOps Per Cycle:    0.78
  25 # CHECK-NEXT: IPC:               0.78
  26 # CHECK-NEXT: Block RThroughput: 3.0
  27
  28 # CHECK:      Instruction Info:
  29 # CHECK-NEXT: [1]: #uOps
  30 # CHECK-NEXT: [2]: Latency
  31 # CHECK-NEXT: [3]: RThroughput
  32 # CHECK-NEXT: [4]: MayLoad
  33 # CHECK-NEXT: [5]: MayStore
  34 # CHECK-NEXT: [6]: HasSideEffects (U)
  35
  36 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  37 # CHECK-NEXT:  1      3     1.00                        pcmpgtb %mm0, %mm0
  38 # CHECK-NEXT:  1      3     1.00                        pcmpgtd %mm0, %mm0
  39 # CHECK-NEXT:  1      3     1.00                        pcmpgtw %mm0, %mm0
  40 # CHECK-NEXT:  1      0     0.25                        pcmpgtb %xmm0, %xmm0
  41 # CHECK-NEXT:  1      0     0.25                        pcmpgtd %xmm0, %xmm0
  42 # CHECK-NEXT:  1      0     0.25                        pcmpgtq %xmm0, %xmm0
  43 # CHECK-NEXT:  1      0     0.25                        pcmpgtw %xmm0, %xmm0
  44
  45 # CHECK:      Resources:
  46 # CHECK-NEXT: [0]   - SBDivider
  47 # CHECK-NEXT: [1]   - SBFPDivider
  48 # CHECK-NEXT: [2]   - SBPort0
  49 # CHECK-NEXT: [3]   - SBPort1
  50 # CHECK-NEXT: [4]   - SBPort4
  51 # CHECK-NEXT: [5]   - SBPort5
  52 # CHECK-NEXT: [6.0] - SBPort23
  53 # CHECK-NEXT: [6.1] - SBPort23
  54
  55 # CHECK:      Resource pressure per iteration:
  56 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]
  57 # CHECK-NEXT:  -      -      -     3.00    -      -      -      -
  58
  59 # CHECK:      Resource pressure by instruction:
  60 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  Instructions:
  61 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpgtb   %mm0, %mm0
  62 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpgtd   %mm0, %mm0
  63 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     pcmpgtw   %mm0, %mm0
  64 # CHECK-NEXT:  -      -      -      -      -      -      -      -     pcmpgtb   %xmm0, %xmm0
  65 # CHECK-NEXT:  -      -      -      -      -      -      -      -     pcmpgtd   %xmm0, %xmm0
  66 # CHECK-NEXT:  -      -      -      -      -      -      -      -     pcmpgtq   %xmm0, %xmm0
  67 # CHECK-NEXT:  -      -      -      -      -      -      -      -     pcmpgtw   %xmm0, %xmm0
  68
  69 # CHECK:      Timeline view:
  70 # CHECK-NEXT:                     0123456789
  71 # CHECK-NEXT: Index     0123456789          0123456789
  72
  73 # CHECK:      [0,0]     DeeeER    .    .    .    .   .   pcmpgtb        %mm0, %mm0
  74 # CHECK-NEXT: [0,1]     D===eeeER .    .    .    .   .   pcmpgtd        %mm0, %mm0
  75 # CHECK-NEXT: [0,2]     D======eeeER   .    .    .   .   pcmpgtw        %mm0, %mm0
  76 # CHECK-NEXT: [0,3]     D----------R   .    .    .   .   pcmpgtb        %xmm0, %xmm0
  77 # CHECK-NEXT: [0,4]     .D---------R   .    .    .   .   pcmpgtd        %xmm0, %xmm0
  78 # CHECK-NEXT: [0,5]     .D---------R   .    .    .   .   pcmpgtq        %xmm0, %xmm0
  79 # CHECK-NEXT: [0,6]     .D---------R   .    .    .   .   pcmpgtw        %xmm0, %xmm0
  80 # CHECK-NEXT: [1,0]     .D========eeeER.    .    .   .   pcmpgtb        %mm0, %mm0
  81 # CHECK-NEXT: [1,1]     . D==========eeeER  .    .   .   pcmpgtd        %mm0, %mm0
  82 # CHECK-NEXT: [1,2]     . D=============eeeER    .   .   pcmpgtw        %mm0, %mm0
  83 # CHECK-NEXT: [1,3]     . D-----------------R    .   .   pcmpgtb        %xmm0, %xmm0
  84 # CHECK-NEXT: [1,4]     . D-----------------R    .   .   pcmpgtd        %xmm0, %xmm0
  85 # CHECK-NEXT: [1,5]     .  D----------------R    .   .   pcmpgtq        %xmm0, %xmm0
  86 # CHECK-NEXT: [1,6]     .  D----------------R    .   .   pcmpgtw        %xmm0, %xmm0
  87 # CHECK-NEXT: [2,0]     .  D===============eeeER .   .   pcmpgtb        %mm0, %mm0
  88 # CHECK-NEXT: [2,1]     .  D==================eeeER  .   pcmpgtd        %mm0, %mm0
  89 # CHECK-NEXT: [2,2]     .   D====================eeeER   pcmpgtw        %mm0, %mm0
  90 # CHECK-NEXT: [2,3]     .   D------------------------R   pcmpgtb        %xmm0, %xmm0
  91 # CHECK-NEXT: [2,4]     .   D------------------------R   pcmpgtd        %xmm0, %xmm0
  92 # CHECK-NEXT: [2,5]     .   D------------------------R   pcmpgtq        %xmm0, %xmm0
  93 # CHECK-NEXT: [2,6]     .    D-----------------------R   pcmpgtw        %xmm0, %xmm0
  94
  95 # CHECK:      Average Wait times (based on the timeline view):
  96 # CHECK-NEXT: [0]: Executions
  97 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  98 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  99 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
 100
 101 # CHECK:            [0]    [1]    [2]    [3]
 102 # CHECK-NEXT: 0.     3     8.7    0.3    0.0       pcmpgtb      %mm0, %mm0
 103 # CHECK-NEXT: 1.     3     11.3   0.0    0.0       pcmpgtd      %mm0, %mm0
 104 # CHECK-NEXT: 2.     3     14.0   0.0    0.0       pcmpgtw      %mm0, %mm0
 105 # CHECK-NEXT: 3.     3     0.0    0.0    17.0      pcmpgtb      %xmm0, %xmm0
 106 # CHECK-NEXT: 4.     3     0.0    0.0    16.7      pcmpgtd      %xmm0, %xmm0
 107 # CHECK-NEXT: 5.     3     0.0    0.0    16.3      pcmpgtq      %xmm0, %xmm0
 108 # CHECK-NEXT: 6.     3     0.0    0.0    16.0      pcmpgtw      %xmm0, %xmm0