llvm/test/tools/llvm-mca/X86/Znver3/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=znver3 -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:    6
  17 # CHECK-NEXT: uOps Per Cycle:    0.60
  18 # CHECK-NEXT: IPC:               0.60
  19 # CHECK-NEXT: Block RThroughput: 1.3
  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      1     1.00                        lzcntw  %ax, %bx
  32 # CHECK-NEXT:  1      1     0.25                        addw    %cx, %bx
  33
  34 # CHECK:      Resources:
  35 # CHECK-NEXT: [0]   - Zn3AGU0
  36 # CHECK-NEXT: [1]   - Zn3AGU1
  37 # CHECK-NEXT: [2]   - Zn3AGU2
  38 # CHECK-NEXT: [3]   - Zn3ALU0
  39 # CHECK-NEXT: [4]   - Zn3ALU1
  40 # CHECK-NEXT: [5]   - Zn3ALU2
  41 # CHECK-NEXT: [6]   - Zn3ALU3
  42 # CHECK-NEXT: [7]   - Zn3BRU1
  43 # CHECK-NEXT: [8]   - Zn3FPP0
  44 # CHECK-NEXT: [9]   - Zn3FPP1
  45 # CHECK-NEXT: [10]  - Zn3FPP2
  46 # CHECK-NEXT: [11]  - Zn3FPP3
  47 # CHECK-NEXT: [12.0] - Zn3FPP45
  48 # CHECK-NEXT: [12.1] - Zn3FPP45
  49 # CHECK-NEXT: [13]  - Zn3FPSt
  50 # CHECK-NEXT: [14.0] - Zn3LSU
  51 # CHECK-NEXT: [14.1] - Zn3LSU
  52 # CHECK-NEXT: [14.2] - Zn3LSU
  53 # CHECK-NEXT: [15.0] - Zn3Load
  54 # CHECK-NEXT: [15.1] - Zn3Load
  55 # CHECK-NEXT: [15.2] - Zn3Load
  56 # CHECK-NEXT: [16.0] - Zn3Store
  57 # CHECK-NEXT: [16.1] - Zn3Store
  58
  59 # CHECK:      Resource pressure per iteration:
  60 # 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]
  61 # CHECK-NEXT:  -      -      -     1.67   1.00   1.67   1.67    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -
  62
  63 # CHECK:      Resource pressure by instruction:
  64 # 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:
  65 # CHECK-NEXT:  -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     imulw    %ax, %bx
  66 # CHECK-NEXT:  -      -      -     1.33    -     1.33   1.33    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     lzcntw   %ax, %bx
  67 # CHECK-NEXT:  -      -      -     0.33    -     0.33   0.33    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     addw     %cx, %bx
  68
  69 # CHECK:      Timeline view:
  70 # CHECK-NEXT:                     0123456789          01234567
  71 # CHECK-NEXT: Index     0123456789          0123456789
  72
  73 # CHECK:      [0,0]     DeeeER    .    .    .    .    .    . .   imulw  %ax, %bx
  74 # CHECK-NEXT: [0,1]     D===eER   .    .    .    .    .    . .   lzcntw %ax, %bx
  75 # CHECK-NEXT: [0,2]     D====eER  .    .    .    .    .    . .   addw   %cx, %bx
  76 # CHECK-NEXT: [1,0]     D=====eeeER    .    .    .    .    . .   imulw  %ax, %bx
  77 # CHECK-NEXT: [1,1]     D========eER   .    .    .    .    . .   lzcntw %ax, %bx
  78 # CHECK-NEXT: [1,2]     D=========eER  .    .    .    .    . .   addw   %cx, %bx
  79 # CHECK-NEXT: [2,0]     .D=========eeeER    .    .    .    . .   imulw  %ax, %bx
  80 # CHECK-NEXT: [2,1]     .D============eER   .    .    .    . .   lzcntw %ax, %bx
  81 # CHECK-NEXT: [2,2]     .D=============eER  .    .    .    . .   addw   %cx, %bx
  82 # CHECK-NEXT: [3,0]     .D==============eeeER    .    .    . .   imulw  %ax, %bx
  83 # CHECK-NEXT: [3,1]     .D=================eER   .    .    . .   lzcntw %ax, %bx
  84 # CHECK-NEXT: [3,2]     .D==================eER  .    .    . .   addw   %cx, %bx
  85 # CHECK-NEXT: [4,0]     . D==================eeeER    .    . .   imulw  %ax, %bx
  86 # CHECK-NEXT: [4,1]     . D=====================eER   .    . .   lzcntw %ax, %bx
  87 # CHECK-NEXT: [4,2]     . D======================eER  .    . .   addw   %cx, %bx
  88 # CHECK-NEXT: [5,0]     . D=======================eeeER    . .   imulw  %ax, %bx
  89 # CHECK-NEXT: [5,1]     . D==========================eER   . .   lzcntw %ax, %bx
  90 # CHECK-NEXT: [5,2]     . D===========================eER  . .   addw   %cx, %bx
  91 # CHECK-NEXT: [6,0]     .  D===========================eeeER .   imulw  %ax, %bx
  92 # CHECK-NEXT: [6,1]     .  D==============================eER.   lzcntw %ax, %bx
  93 # CHECK-NEXT: [6,2]     .  D===============================eER   addw   %cx, %bx
  94
  95 # CHECK:      Average Wait times (based on the timeline view):
  96 # CHECK-NEXT: [0]: Executions
  97 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  98 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  99 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
 100
 101 # CHECK:            [0]    [1]    [2]    [3]
 102 # CHECK-NEXT: 0.     7     14.7   0.1    0.0       imulw        %ax, %bx
 103 # CHECK-NEXT: 1.     7     17.7   0.0    0.0       lzcntw       %ax, %bx
 104 # CHECK-NEXT: 2.     7     18.7   0.0    0.0       addw %cx, %bx
 105 # CHECK-NEXT:        7     17.0   0.0    0.0       <total>