test/tools/llvm-mca/X86/Barcelona/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=x86-64 -iterations=1500 -timeline -timeline-max-iterations=3 < %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:      1505
   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: 1.0
  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      3     1.00                        lzcntw  %ax, %bx
  26
  27 # CHECK:      Resources:
  28 # CHECK-NEXT: [0]   - SBDivider
  29 # CHECK-NEXT: [1]   - SBFPDivider
  30 # CHECK-NEXT: [2]   - SBPort0
  31 # CHECK-NEXT: [3]   - SBPort1
  32 # CHECK-NEXT: [4]   - SBPort4
  33 # CHECK-NEXT: [5]   - SBPort5
  34 # CHECK-NEXT: [6.0] - SBPort23
  35 # CHECK-NEXT: [6.1] - SBPort23
  36
  37 # CHECK:      Resource pressure per iteration:
  38 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]
  39 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -
  40
  41 # CHECK:      Resource pressure by instruction:
  42 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  Instructions:
  43 # CHECK-NEXT:  -      -      -     1.00    -      -      -      -     lzcntw    %ax, %bx
  44
  45 # CHECK:      Timeline view:
  46 # CHECK-NEXT: Index     01234567
  47
  48 # CHECK:      [0,0]     DeeeER .   lzcntw       %ax, %bx
  49 # CHECK-NEXT: [1,0]     D=eeeER.   lzcntw       %ax, %bx
  50 # CHECK-NEXT: [2,0]     D==eeeER   lzcntw       %ax, %bx
  51
  52 # CHECK:      Average Wait times (based on the timeline view):
  53 # CHECK-NEXT: [0]: Executions
  54 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  55 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  56 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  57
  58 # CHECK:            [0]    [1]    [2]    [3]
  59 # CHECK-NEXT: 0.     3     2.0    2.0    0.0       lzcntw       %ax, %bx