test/tools/llvm-mca/X86/Znver1/partial-reg-update-4.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=7 < %s | FileCheck %s
   3
   4 # The lzcnt cannot execute in parallel with the imul because there is a false
   5 # dependency on %bx.
   6
   7 imul %ax, %bx
   8 lzcnt %ax, %bx
   9 add %cx, %bx
  10
  11 # CHECK:      Iterations:        1500
  12 # CHECK-NEXT: Instructions:      4500
  13 # CHECK-NEXT: Total Cycles:      7503
  14 # CHECK-NEXT: Total uOps:        4500
  15
  16 # CHECK:      Dispatch Width:    4
  17 # CHECK-NEXT: uOps Per Cycle:    0.60
  18 # CHECK-NEXT: IPC:               0.60
  19 # CHECK-NEXT: Block RThroughput: 1.0
  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      3     1.00                        imulw   %ax, %bx
  31 # CHECK-NEXT:  1      2     0.25                        lzcntw  %ax, %bx
  32 # CHECK-NEXT:  1      1     0.25                        addw    %cx, %bx
  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:  -      -     0.67   1.00   0.67   0.67    -      -      -      -      -     1.00
  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:  -      -      -     1.00    -      -      -      -      -      -      -     1.00   imulw %ax, %bx
  55 # CHECK-NEXT:  -      -     0.33    -     0.33   0.33    -      -      -      -      -      -     lzcntw        %ax, %bx
  56 # CHECK-NEXT:  -      -     0.33    -     0.33   0.33    -      -      -      -      -      -     addw  %cx, %bx
  57
  58 # CHECK:      Timeline view:
  59 # CHECK-NEXT:                     0123456789          01234567
  60 # CHECK-NEXT: Index     0123456789          0123456789
  61
  62 # CHECK:      [0,0]     DeeeER    .    .    .    .    .    . .   imulw  %ax, %bx
  63 # CHECK-NEXT: [0,1]     D==eeER   .    .    .    .    .    . .   lzcntw %ax, %bx
  64 # CHECK-NEXT: [0,2]     D====eER  .    .    .    .    .    . .   addw   %cx, %bx
  65 # CHECK-NEXT: [1,0]     D=====eeeER    .    .    .    .    . .   imulw  %ax, %bx
  66 # CHECK-NEXT: [1,1]     .D======eeER   .    .    .    .    . .   lzcntw %ax, %bx
  67 # CHECK-NEXT: [1,2]     .D========eER  .    .    .    .    . .   addw   %cx, %bx
  68 # CHECK-NEXT: [2,0]     .D=========eeeER    .    .    .    . .   imulw  %ax, %bx
  69 # CHECK-NEXT: [2,1]     .D===========eeER   .    .    .    . .   lzcntw %ax, %bx
  70 # CHECK-NEXT: [2,2]     . D============eER  .    .    .    . .   addw   %cx, %bx
  71 # CHECK-NEXT: [3,0]     . D=============eeeER    .    .    . .   imulw  %ax, %bx
  72 # CHECK-NEXT: [3,1]     . D===============eeER   .    .    . .   lzcntw %ax, %bx
  73 # CHECK-NEXT: [3,2]     . D=================eER  .    .    . .   addw   %cx, %bx
  74 # CHECK-NEXT: [4,0]     .  D=================eeeER    .    . .   imulw  %ax, %bx
  75 # CHECK-NEXT: [4,1]     .  D===================eeER   .    . .   lzcntw %ax, %bx
  76 # CHECK-NEXT: [4,2]     .  D=====================eER  .    . .   addw   %cx, %bx
  77 # CHECK-NEXT: [5,0]     .  D======================eeeER    . .   imulw  %ax, %bx
  78 # CHECK-NEXT: [5,1]     .   D=======================eeER   . .   lzcntw %ax, %bx
  79 # CHECK-NEXT: [5,2]     .   D=========================eER  . .   addw   %cx, %bx
  80 # CHECK-NEXT: [6,0]     .   D==========================eeeER .   imulw  %ax, %bx
  81 # CHECK-NEXT: [6,1]     .   D============================eeER.   lzcntw %ax, %bx
  82 # CHECK-NEXT: [6,2]     .    D=============================eER   addw   %cx, %bx
  83
  84 # CHECK:      Average Wait times (based on the timeline view):
  85 # CHECK-NEXT: [0]: Executions
  86 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  87 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  88 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  89
  90 # CHECK:            [0]    [1]    [2]    [3]
  91 # CHECK-NEXT: 0.     7     14.1   0.1    0.0       imulw        %ax, %bx
  92 # CHECK-NEXT: 1.     7     15.9   0.0    0.0       lzcntw       %ax, %bx
  93 # CHECK-NEXT: 2.     7     17.6   0.0    0.0       addw %cx, %bx