test/tools/llvm-mca/X86/Barcelona/reg-move-elimination-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=x86-64 -iterations=3 -timeline -register-file-stats < %s | FileCheck %s
   3
   4 xor %eax, %eax
   5 mov %eax, %ebx
   6 mov %ebx, %ecx
   7 mov %ecx, %edx
   8 mov %edx, %eax
   9
  10 # CHECK:      Iterations:        3
  11 # CHECK-NEXT: Instructions:      15
  12 # CHECK-NEXT: Total Cycles:      15
  13 # CHECK-NEXT: Total uOps:        15
  14
  15 # CHECK:      Dispatch Width:    4
  16 # CHECK-NEXT: uOps Per Cycle:    1.00
  17 # CHECK-NEXT: IPC:               1.00
  18 # CHECK-NEXT: Block RThroughput: 1.3
  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:  1      0     0.25                        xorl    %eax, %eax
  30 # CHECK-NEXT:  1      1     0.33                        movl    %eax, %ebx
  31 # CHECK-NEXT:  1      1     0.33                        movl    %ebx, %ecx
  32 # CHECK-NEXT:  1      1     0.33                        movl    %ecx, %edx
  33 # CHECK-NEXT:  1      1     0.33                        movl    %edx, %eax
  34
  35 # CHECK:      Register File statistics:
  36 # CHECK-NEXT: Total number of mappings created:    18
  37 # CHECK-NEXT: Max number of mappings used:         15
  38
  39 # CHECK:      Resources:
  40 # CHECK-NEXT: [0]   - SBDivider
  41 # CHECK-NEXT: [1]   - SBFPDivider
  42 # CHECK-NEXT: [2]   - SBPort0
  43 # CHECK-NEXT: [3]   - SBPort1
  44 # CHECK-NEXT: [4]   - SBPort4
  45 # CHECK-NEXT: [5]   - SBPort5
  46 # CHECK-NEXT: [6.0] - SBPort23
  47 # CHECK-NEXT: [6.1] - SBPort23
  48
  49 # CHECK:      Resource pressure per iteration:
  50 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]
  51 # CHECK-NEXT:  -      -     1.33   1.33    -     1.33    -      -
  52
  53 # CHECK:      Resource pressure by instruction:
  54 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6.0]  [6.1]  Instructions:
  55 # CHECK-NEXT:  -      -      -      -      -      -      -      -     xorl      %eax, %eax
  56 # CHECK-NEXT:  -      -     0.33   0.33    -     0.33    -      -     movl      %eax, %ebx
  57 # CHECK-NEXT:  -      -     0.33   0.33    -     0.33    -      -     movl      %ebx, %ecx
  58 # CHECK-NEXT:  -      -     0.33   0.33    -     0.33    -      -     movl      %ecx, %edx
  59 # CHECK-NEXT:  -      -     0.33   0.33    -     0.33    -      -     movl      %edx, %eax
  60
  61 # CHECK:      Timeline view:
  62 # CHECK-NEXT:                     01234
  63 # CHECK-NEXT: Index     0123456789
  64
  65 # CHECK:      [0,0]     DR   .    .   .   xorl  %eax, %eax
  66 # CHECK-NEXT: [0,1]     DeER .    .   .   movl  %eax, %ebx
  67 # CHECK-NEXT: [0,2]     D=eER.    .   .   movl  %ebx, %ecx
  68 # CHECK-NEXT: [0,3]     D==eER    .   .   movl  %ecx, %edx
  69 # CHECK-NEXT: [0,4]     .D==eER   .   .   movl  %edx, %eax
  70 # CHECK-NEXT: [1,0]     .D===ER   .   .   xorl  %eax, %eax
  71 # CHECK-NEXT: [1,1]     .D===eER  .   .   movl  %eax, %ebx
  72 # CHECK-NEXT: [1,2]     .D====eER .   .   movl  %ebx, %ecx
  73 # CHECK-NEXT: [1,3]     . D====eER.   .   movl  %ecx, %edx
  74 # CHECK-NEXT: [1,4]     . D=====eER   .   movl  %edx, %eax
  75 # CHECK-NEXT: [2,0]     . D======ER   .   xorl  %eax, %eax
  76 # CHECK-NEXT: [2,1]     . D======eER  .   movl  %eax, %ebx
  77 # CHECK-NEXT: [2,2]     .  D======eER .   movl  %ebx, %ecx
  78 # CHECK-NEXT: [2,3]     .  D=======eER.   movl  %ecx, %edx
  79 # CHECK-NEXT: [2,4]     .  D========eER   movl  %edx, %eax
  80
  81 # CHECK:      Average Wait times (based on the timeline view):
  82 # CHECK-NEXT: [0]: Executions
  83 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  84 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  85 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  86
  87 # CHECK:            [0]    [1]    [2]    [3]
  88 # CHECK-NEXT: 0.     3     3.7    0.0    0.0       xorl %eax, %eax
  89 # CHECK-NEXT: 1.     3     4.0    0.3    0.0       movl %eax, %ebx
  90 # CHECK-NEXT: 2.     3     4.7    0.0    0.0       movl %ebx, %ecx
  91 # CHECK-NEXT: 3.     3     5.3    0.0    0.0       movl %ecx, %edx
  92 # CHECK-NEXT: 4.     3     6.0    0.0    0.0       movl %edx, %eax
  93 # CHECK-NEXT:        3     4.7    0.1    0.0       <total>