test/tools/llvm-mca/X86/BtVer2/xchg.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -iterations=2 -timeline < %s | FileCheck %s
   3
   4 xchg %ecx, (%rsp)
   5 add %ecx, %ecx
   6 add %ecx, %ecx
   7 imul %ecx, %ecx
   8 imul %ecx, %ecx
   9
  10 # CHECK:      Iterations:        2
  11 # CHECK-NEXT: Instructions:      10
  12 # CHECK-NEXT: Total Cycles:      38
  13 # CHECK-NEXT: Total uOps:        14
  14
  15 # CHECK:      Dispatch Width:    2
  16 # CHECK-NEXT: uOps Per Cycle:    0.37
  17 # CHECK-NEXT: IPC:               0.26
  18 # CHECK-NEXT: Block RThroughput: 16.0
  19
  20 # CHECK:      Instruction Info:
  21 # CHECK-NEXT: [1]: #uOps
  22 # CHECK-NEXT: [2]: Latency
  23 # CHECK-NEXT: [3]: RThroughput
  24 # CHECK-NEXT: [4]: MayLoad
  25 # CHECK-NEXT: [5]: MayStore
  26 # CHECK-NEXT: [6]: HasSideEffects (U)
  27
  28 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  29 # CHECK-NEXT:  3      16    16.00   *      *            xchgl   %ecx, (%rsp)
  30 # CHECK-NEXT:  1      1     0.50                        addl    %ecx, %ecx
  31 # CHECK-NEXT:  1      1     0.50                        addl    %ecx, %ecx
  32 # CHECK-NEXT:  1      3     1.00                        imull   %ecx, %ecx
  33 # CHECK-NEXT:  1      3     1.00                        imull   %ecx, %ecx
  34
  35 # CHECK:      Resources:
  36 # CHECK-NEXT: [0]   - JALU0
  37 # CHECK-NEXT: [1]   - JALU1
  38 # CHECK-NEXT: [2]   - JDiv
  39 # CHECK-NEXT: [3]   - JFPA
  40 # CHECK-NEXT: [4]   - JFPM
  41 # CHECK-NEXT: [5]   - JFPU0
  42 # CHECK-NEXT: [6]   - JFPU1
  43 # CHECK-NEXT: [7]   - JLAGU
  44 # CHECK-NEXT: [8]   - JMul
  45 # CHECK-NEXT: [9]   - JSAGU
  46 # CHECK-NEXT: [10]  - JSTC
  47 # CHECK-NEXT: [11]  - JVALU0
  48 # CHECK-NEXT: [12]  - JVALU1
  49 # CHECK-NEXT: [13]  - JVIMUL
  50
  51 # CHECK:      Resource pressure per iteration:
  52 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
  53 # CHECK-NEXT: 2.00   4.00    -      -      -      -      -     16.00  2.00   16.00   -      -      -      -
  54
  55 # CHECK:      Resource pressure by instruction:
  56 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   Instructions:
  57 # CHECK-NEXT: 1.00   1.00    -      -      -      -      -     16.00   -     16.00   -      -      -      -     xchgl   %ecx, (%rsp)
  58 # CHECK-NEXT: 1.00    -      -      -      -      -      -      -      -      -      -      -      -      -     addl    %ecx, %ecx
  59 # CHECK-NEXT:  -     1.00    -      -      -      -      -      -      -      -      -      -      -      -     addl    %ecx, %ecx
  60 # CHECK-NEXT:  -     1.00    -      -      -      -      -      -     1.00    -      -      -      -      -     imull   %ecx, %ecx
  61 # CHECK-NEXT:  -     1.00    -      -      -      -      -      -     1.00    -      -      -      -      -     imull   %ecx, %ecx
  62
  63 # CHECK:      Timeline view:
  64 # CHECK-NEXT:                     0123456789          01234567
  65 # CHECK-NEXT: Index     0123456789          0123456789
  66
  67 # CHECK:      [0,0]     DeeeeeeeeeeeeeeeeER .    .    .    . .   xchgl  %ecx, (%rsp)
  68 # CHECK-NEXT: [0,1]     .D==========eE----R .    .    .    . .   addl   %ecx, %ecx
  69 # CHECK-NEXT: [0,2]     . D==========eE----R.    .    .    . .   addl   %ecx, %ecx
  70 # CHECK-NEXT: [0,3]     . D===========eeeE-R.    .    .    . .   imull  %ecx, %ecx
  71 # CHECK-NEXT: [0,4]     .  D=============eeeER   .    .    . .   imull  %ecx, %ecx
  72 # CHECK-NEXT: [1,0]     .   D============eeeeeeeeeeeeeeeeER. .   xchgl  %ecx, (%rsp)
  73 # CHECK-NEXT: [1,1]     .    D======================eE----R. .   addl   %ecx, %ecx
  74 # CHECK-NEXT: [1,2]     .    .D======================eE----R .   addl   %ecx, %ecx
  75 # CHECK-NEXT: [1,3]     .    .D=======================eeeE-R .   imull  %ecx, %ecx
  76 # CHECK-NEXT: [1,4]     .    . D=========================eeeER   imull  %ecx, %ecx
  77
  78 # CHECK:      Average Wait times (based on the timeline view):
  79 # CHECK-NEXT: [0]: Executions
  80 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  81 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  82 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  83
  84 # CHECK:            [0]    [1]    [2]    [3]
  85 # CHECK-NEXT: 0.     2     7.0    0.5    0.0       xchgl        %ecx, (%rsp)
  86 # CHECK-NEXT: 1.     2     17.0   0.0    4.0       addl %ecx, %ecx
  87 # CHECK-NEXT: 2.     2     17.0   0.0    4.0       addl %ecx, %ecx
  88 # CHECK-NEXT: 3.     2     18.0   0.0    1.0       imull        %ecx, %ecx
  89 # CHECK-NEXT: 4.     2     20.0   0.0    0.0       imull        %ecx, %ecx