test/tools/llvm-mca/X86/Znver1/partial-reg-update-5.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=8 < %s | FileCheck %s
   3
   4 lzcnt %ax, %bx  ## partial register stall.
   5
   6 # CHECK:      Iterations:        1500
   7 # CHECK-NEXT: Instructions:      1500
   8 # CHECK-NEXT: Total Cycles:      1504
   9 # CHECK-NEXT: Total uOps:        1500
  10
  11 # CHECK:      Dispatch Width:    4
  12 # CHECK-NEXT: uOps Per Cycle:    1.00
  13 # CHECK-NEXT: IPC:               1.00
  14 # CHECK-NEXT: Block RThroughput: 0.3
  15
  16 # CHECK:      Instruction Info:
  17 # CHECK-NEXT: [1]: #uOps
  18 # CHECK-NEXT: [2]: Latency
  19 # CHECK-NEXT: [3]: RThroughput
  20 # CHECK-NEXT: [4]: MayLoad
  21 # CHECK-NEXT: [5]: MayStore
  22 # CHECK-NEXT: [6]: HasSideEffects (U)
  23
  24 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  25 # CHECK-NEXT:  1      2     0.25                        lzcntw  %ax, %bx
  26
  27 # CHECK:      Resources:
  28 # CHECK-NEXT: [0]   - ZnAGU0
  29 # CHECK-NEXT: [1]   - ZnAGU1
  30 # CHECK-NEXT: [2]   - ZnALU0
  31 # CHECK-NEXT: [3]   - ZnALU1
  32 # CHECK-NEXT: [4]   - ZnALU2
  33 # CHECK-NEXT: [5]   - ZnALU3
  34 # CHECK-NEXT: [6]   - ZnDivider
  35 # CHECK-NEXT: [7]   - ZnFPU0
  36 # CHECK-NEXT: [8]   - ZnFPU1
  37 # CHECK-NEXT: [9]   - ZnFPU2
  38 # CHECK-NEXT: [10]  - ZnFPU3
  39 # CHECK-NEXT: [11]  - ZnMultiplier
  40
  41 # CHECK:      Resource pressure per iteration:
  42 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]
  43 # CHECK-NEXT:  -      -     0.25   0.25   0.25   0.25    -      -      -      -      -      -
  44
  45 # CHECK:      Resource pressure by instruction:
  46 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   Instructions:
  47 # CHECK-NEXT:  -      -     0.25   0.25   0.25   0.25    -      -      -      -      -      -     lzcntw        %ax, %bx
  48
  49 # CHECK:      Timeline view:
  50 # CHECK-NEXT:                     01
  51 # CHECK-NEXT: Index     0123456789
  52
  53 # CHECK:      [0,0]     DeeER.    ..   lzcntw   %ax, %bx
  54 # CHECK-NEXT: [1,0]     D=eeER    ..   lzcntw   %ax, %bx
  55 # CHECK-NEXT: [2,0]     D==eeER   ..   lzcntw   %ax, %bx
  56 # CHECK-NEXT: [3,0]     D===eeER  ..   lzcntw   %ax, %bx
  57 # CHECK-NEXT: [4,0]     .D===eeER ..   lzcntw   %ax, %bx
  58 # CHECK-NEXT: [5,0]     .D====eeER..   lzcntw   %ax, %bx
  59 # CHECK-NEXT: [6,0]     .D=====eeER.   lzcntw   %ax, %bx
  60 # CHECK-NEXT: [7,0]     .D======eeER   lzcntw   %ax, %bx
  61
  62 # CHECK:      Average Wait times (based on the timeline view):
  63 # CHECK-NEXT: [0]: Executions
  64 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  65 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  66 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  67
  68 # CHECK:            [0]    [1]    [2]    [3]
  69 # CHECK-NEXT: 0.     8     4.0    0.1    0.0       lzcntw       %ax, %bx