llvm/test/tools/llvm-mca/X86/Znver3/partial-reg-update-6.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver3 -iterations=1500 -timeline -timeline-max-iterations=4 < %s | FileCheck %s
   3
   4 # Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the
   5 # imul. However, the folded load can start immediately.
   6 # The last lzcnt has a false dependency on %cx. However, even in this case, the
   7 # folded load can start immediately.
   8
   9 imul %edx, %ecx
  10 lzcnt (%rsp), %cx
  11 lzcnt 2(%rsp), %cx
  12
  13 # CHECK:      Iterations:        1500
  14 # CHECK-NEXT: Instructions:      4500
  15 # CHECK-NEXT: Total Cycles:      9003
  16 # CHECK-NEXT: Total uOps:        4500
  17
  18 # CHECK:      Dispatch Width:    6
  19 # CHECK-NEXT: uOps Per Cycle:    0.50
  20 # CHECK-NEXT: IPC:               0.50
  21 # CHECK-NEXT: Block RThroughput: 1.0
  22
  23 # CHECK:      Instruction Info:
  24 # CHECK-NEXT: [1]: #uOps
  25 # CHECK-NEXT: [2]: Latency
  26 # CHECK-NEXT: [3]: RThroughput
  27 # CHECK-NEXT: [4]: MayLoad
  28 # CHECK-NEXT: [5]: MayStore
  29 # CHECK-NEXT: [6]: HasSideEffects (U)
  30
  31 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  32 # CHECK-NEXT:  1      3     1.00                        imull   %edx, %ecx
  33 # CHECK-NEXT:  1      5     0.33    *                   lzcntw  (%rsp), %cx
  34 # CHECK-NEXT:  1      5     0.33    *                   lzcntw  2(%rsp), %cx
  35
  36 # CHECK:      Resources:
  37 # CHECK-NEXT: [0]   - Zn3AGU0
  38 # CHECK-NEXT: [1]   - Zn3AGU1
  39 # CHECK-NEXT: [2]   - Zn3AGU2
  40 # CHECK-NEXT: [3]   - Zn3ALU0
  41 # CHECK-NEXT: [4]   - Zn3ALU1
  42 # CHECK-NEXT: [5]   - Zn3ALU2
  43 # CHECK-NEXT: [6]   - Zn3ALU3
  44 # CHECK-NEXT: [7]   - Zn3BRU1
  45 # CHECK-NEXT: [8]   - Zn3FPP0
  46 # CHECK-NEXT: [9]   - Zn3FPP1
  47 # CHECK-NEXT: [10]  - Zn3FPP2
  48 # CHECK-NEXT: [11]  - Zn3FPP3
  49 # CHECK-NEXT: [12.0] - Zn3FPP45
  50 # CHECK-NEXT: [12.1] - Zn3FPP45
  51 # CHECK-NEXT: [13]  - Zn3FPSt
  52 # CHECK-NEXT: [14.0] - Zn3LSU
  53 # CHECK-NEXT: [14.1] - Zn3LSU
  54 # CHECK-NEXT: [14.2] - Zn3LSU
  55 # CHECK-NEXT: [15.0] - Zn3Load
  56 # CHECK-NEXT: [15.1] - Zn3Load
  57 # CHECK-NEXT: [15.2] - Zn3Load
  58 # CHECK-NEXT: [16.0] - Zn3Store
  59 # CHECK-NEXT: [16.1] - Zn3Store
  60
  61 # CHECK:      Resource pressure per iteration:
  62 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12.0] [12.1] [13]   [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
  63 # CHECK-NEXT: 0.67   0.67   0.67   0.67   1.00   0.67   0.67    -      -      -      -      -      -      -      -     0.67   0.67   0.67   0.67   0.67   0.67    -      -
  64
  65 # CHECK:      Resource pressure by instruction:
  66 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12.0] [12.1] [13]   [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
  67 # CHECK-NEXT:  -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     imull    %edx, %ecx
  68 # CHECK-NEXT: 0.33   0.33   0.33   0.33    -     0.33   0.33    -      -      -      -      -      -      -      -     0.33   0.33   0.33   0.33   0.33   0.33    -      -     lzcntw   (%rsp), %cx
  69 # CHECK-NEXT: 0.33   0.33   0.33   0.33    -     0.33   0.33    -      -      -      -      -      -      -      -     0.33   0.33   0.33   0.33   0.33   0.33    -      -     lzcntw   2(%rsp), %cx
  70
  71 # CHECK:      Timeline view:
  72 # CHECK-NEXT:                     0123456789
  73 # CHECK-NEXT: Index     0123456789          0123456
  74
  75 # CHECK:      [0,0]     DeeeER    .    .    .    ..   imull     %edx, %ecx
  76 # CHECK-NEXT: [0,1]     DeeeeeER  .    .    .    ..   lzcntw    (%rsp), %cx
  77 # CHECK-NEXT: [0,2]     D=eeeeeER .    .    .    ..   lzcntw    2(%rsp), %cx
  78 # CHECK-NEXT: [1,0]     D======eeeER   .    .    ..   imull     %edx, %ecx
  79 # CHECK-NEXT: [1,1]     D======eeeeeER .    .    ..   lzcntw    (%rsp), %cx
  80 # CHECK-NEXT: [1,2]     D=======eeeeeER.    .    ..   lzcntw    2(%rsp), %cx
  81 # CHECK-NEXT: [2,0]     .D===========eeeER  .    ..   imull     %edx, %ecx
  82 # CHECK-NEXT: [2,1]     .D===========eeeeeER.    ..   lzcntw    (%rsp), %cx
  83 # CHECK-NEXT: [2,2]     .D============eeeeeER    ..   lzcntw    2(%rsp), %cx
  84 # CHECK-NEXT: [3,0]     .D=================eeeER ..   imull     %edx, %ecx
  85 # CHECK-NEXT: [3,1]     .D=================eeeeeER.   lzcntw    (%rsp), %cx
  86 # CHECK-NEXT: [3,2]     .D==================eeeeeER   lzcntw    2(%rsp), %cx
  87
  88 # CHECK:      Average Wait times (based on the timeline view):
  89 # CHECK-NEXT: [0]: Executions
  90 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  91 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  92 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  93
  94 # CHECK:            [0]    [1]    [2]    [3]
  95 # CHECK-NEXT: 0.     4     9.5    0.3    0.0       imull        %edx, %ecx
  96 # CHECK-NEXT: 1.     4     9.5    0.0    0.0       lzcntw       (%rsp), %cx
  97 # CHECK-NEXT: 2.     4     10.5   0.0    0.0       lzcntw       2(%rsp), %cx
  98 # CHECK-NEXT:        4     9.8    0.1    0.0       <total>