test/tools/llvm-mca/X86/Znver1/partial-reg-update-3.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver1 -iterations=1500 -timeline -timeline-max-iterations=6 < %s | FileCheck %s
   3
   4 # The ILP is limited by the false dependency on %dx. So, the mov cannot execute
   5 # in parallel with the add.
   6
   7 add %cx, %dx
   8 mov %ax, %dx
   9 xor %bx, %dx
  10
  11 # CHECK:      Iterations:        1500
  12 # CHECK-NEXT: Instructions:      4500
  13 # CHECK-NEXT: Total Cycles:      4503
  14 # CHECK-NEXT: Total uOps:        4500
  15
  16 # CHECK:      Dispatch Width:    4
  17 # CHECK-NEXT: uOps Per Cycle:    1.00
  18 # CHECK-NEXT: IPC:               1.00
  19 # CHECK-NEXT: Block RThroughput: 0.8
  20
  21 # CHECK:      Instruction Info:
  22 # CHECK-NEXT: [1]: #uOps
  23 # CHECK-NEXT: [2]: Latency
  24 # CHECK-NEXT: [3]: RThroughput
  25 # CHECK-NEXT: [4]: MayLoad
  26 # CHECK-NEXT: [5]: MayStore
  27 # CHECK-NEXT: [6]: HasSideEffects (U)
  28
  29 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  30 # CHECK-NEXT:  1      1     0.25                        addw    %cx, %dx
  31 # CHECK-NEXT:  1      1     0.25                        movw    %ax, %dx
  32 # CHECK-NEXT:  1      1     0.25                        xorw    %bx, %dx
  33
  34 # CHECK:      Resources:
  35 # CHECK-NEXT: [0]   - ZnAGU0
  36 # CHECK-NEXT: [1]   - ZnAGU1
  37 # CHECK-NEXT: [2]   - ZnALU0
  38 # CHECK-NEXT: [3]   - ZnALU1
  39 # CHECK-NEXT: [4]   - ZnALU2
  40 # CHECK-NEXT: [5]   - ZnALU3
  41 # CHECK-NEXT: [6]   - ZnDivider
  42 # CHECK-NEXT: [7]   - ZnFPU0
  43 # CHECK-NEXT: [8]   - ZnFPU1
  44 # CHECK-NEXT: [9]   - ZnFPU2
  45 # CHECK-NEXT: [10]  - ZnFPU3
  46 # CHECK-NEXT: [11]  - ZnMultiplier
  47
  48 # CHECK:      Resource pressure per iteration:
  49 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]
  50 # CHECK-NEXT:  -      -     0.75   0.75   0.75   0.75    -      -      -      -      -      -
  51
  52 # CHECK:      Resource pressure by instruction:
  53 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   Instructions:
  54 # CHECK-NEXT:  -      -     0.25   0.25   0.25   0.25    -      -      -      -      -      -     addw  %cx, %dx
  55 # CHECK-NEXT:  -      -     0.25   0.25   0.25   0.25    -      -      -      -      -      -     movw  %ax, %dx
  56 # CHECK-NEXT:  -      -     0.25   0.25   0.25   0.25    -      -      -      -      -      -     xorw  %bx, %dx
  57
  58 # CHECK:      Timeline view:
  59 # CHECK-NEXT:                     0123456789
  60 # CHECK-NEXT: Index     0123456789          0
  61
  62 # CHECK:      [0,0]     DeER .    .    .    .   addw    %cx, %dx
  63 # CHECK-NEXT: [0,1]     D=eER.    .    .    .   movw    %ax, %dx
  64 # CHECK-NEXT: [0,2]     D==eER    .    .    .   xorw    %bx, %dx
  65 # CHECK-NEXT: [1,0]     D===eER   .    .    .   addw    %cx, %dx
  66 # CHECK-NEXT: [1,1]     .D===eER  .    .    .   movw    %ax, %dx
  67 # CHECK-NEXT: [1,2]     .D====eER .    .    .   xorw    %bx, %dx
  68 # CHECK-NEXT: [2,0]     .D=====eER.    .    .   addw    %cx, %dx
  69 # CHECK-NEXT: [2,1]     .D======eER    .    .   movw    %ax, %dx
  70 # CHECK-NEXT: [2,2]     . D======eER   .    .   xorw    %bx, %dx
  71 # CHECK-NEXT: [3,0]     . D=======eER  .    .   addw    %cx, %dx
  72 # CHECK-NEXT: [3,1]     . D========eER .    .   movw    %ax, %dx
  73 # CHECK-NEXT: [3,2]     . D=========eER.    .   xorw    %bx, %dx
  74 # CHECK-NEXT: [4,0]     .  D=========eER    .   addw    %cx, %dx
  75 # CHECK-NEXT: [4,1]     .  D==========eER   .   movw    %ax, %dx
  76 # CHECK-NEXT: [4,2]     .  D===========eER  .   xorw    %bx, %dx
  77 # CHECK-NEXT: [5,0]     .  D============eER .   addw    %cx, %dx
  78 # CHECK-NEXT: [5,1]     .   D============eER.   movw    %ax, %dx
  79 # CHECK-NEXT: [5,2]     .   D=============eER   xorw    %bx, %dx
  80
  81 # CHECK:      Average Wait times (based on the timeline view):
  82 # CHECK-NEXT: [0]: Executions
  83 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  84 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  85 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  86
  87 # CHECK:            [0]    [1]    [2]    [3]
  88 # CHECK-NEXT: 0.     6     7.0    0.2    0.0       addw %cx, %dx
  89 # CHECK-NEXT: 1.     6     7.7    0.0    0.0       movw %ax, %dx
  90 # CHECK-NEXT: 2.     6     8.5    0.0    0.0       xorw %bx, %dx