test/tools/llvm-mca/X86/BdVer2/reg-move-elimination-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=bdver2 -iterations=3 -timeline -register-file-stats < %s | FileCheck %s
   3
   4 xor %rax, %rax
   5 mov %rax, %rbx
   6 mov %rbx, %rcx
   7 mov %rcx, %rdx
   8 mov %rdx, %rax
   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: 4.0
  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:  1      0     0.25                        xorq    %rax, %rax
  30 # CHECK-NEXT:  1      1     1.00                        movq    %rax, %rbx
  31 # CHECK-NEXT:  1      1     1.00                        movq    %rbx, %rcx
  32 # CHECK-NEXT:  1      1     1.00                        movq    %rcx, %rdx
  33 # CHECK-NEXT:  1      1     1.00                        movq    %rdx, %rax
  34
  35 # CHECK:      Register File statistics:
  36 # CHECK-NEXT: Total number of mappings created:    12
  37 # CHECK-NEXT: Max number of mappings used:         11
  38
  39 # CHECK:      *  Register File #1 -- PdFpuPRF:
  40 # CHECK-NEXT:    Number of physical registers:     160
  41 # CHECK-NEXT:    Total number of mappings created: 0
  42 # CHECK-NEXT:    Max number of mappings used:      0
  43
  44 # CHECK:      *  Register File #2 -- PdIntegerPRF:
  45 # CHECK-NEXT:    Number of physical registers:     96
  46 # CHECK-NEXT:    Total number of mappings created: 12
  47 # CHECK-NEXT:    Max number of mappings used:      11
  48
  49 # CHECK:      Resources:
  50 # CHECK-NEXT: [0.0] - PdAGLU01
  51 # CHECK-NEXT: [0.1] - PdAGLU01
  52 # CHECK-NEXT: [1]   - PdBranch
  53 # CHECK-NEXT: [2]   - PdCount
  54 # CHECK-NEXT: [3]   - PdDiv
  55 # CHECK-NEXT: [4]   - PdEX0
  56 # CHECK-NEXT: [5]   - PdEX1
  57 # CHECK-NEXT: [6]   - PdFPCVT
  58 # CHECK-NEXT: [7.0] - PdFPFMA
  59 # CHECK-NEXT: [7.1] - PdFPFMA
  60 # CHECK-NEXT: [8.0] - PdFPMAL
  61 # CHECK-NEXT: [8.1] - PdFPMAL
  62 # CHECK-NEXT: [9]   - PdFPMMA
  63 # CHECK-NEXT: [10]  - PdFPSTO
  64 # CHECK-NEXT: [11]  - PdFPU0
  65 # CHECK-NEXT: [12]  - PdFPU1
  66 # CHECK-NEXT: [13]  - PdFPU2
  67 # CHECK-NEXT: [14]  - PdFPU3
  68 # CHECK-NEXT: [15]  - PdFPXBR
  69 # CHECK-NEXT: [16.0] - PdLoad
  70 # CHECK-NEXT: [16.1] - PdLoad
  71 # CHECK-NEXT: [17]  - PdMul
  72 # CHECK-NEXT: [18]  - PdStore
  73
  74 # CHECK:      Resource pressure per iteration:
  75 # CHECK-NEXT: [0.0]  [0.1]  [1]    [2]    [3]    [4]    [5]    [6]    [7.0]  [7.1]  [8.0]  [8.1]  [9]    [10]   [11]   [12]   [13]   [14]   [15]   [16.0] [16.1] [17]   [18]
  76 # CHECK-NEXT:  -      -      -      -      -     4.00   4.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -
  77
  78 # CHECK:      Resource pressure by instruction:
  79 # CHECK-NEXT: [0.0]  [0.1]  [1]    [2]    [3]    [4]    [5]    [6]    [7.0]  [7.1]  [8.0]  [8.1]  [9]    [10]   [11]   [12]   [13]   [14]   [15]   [16.0] [16.1] [17]   [18]   Instructions:
  80 # CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     xorq     %rax, %rax
  81 # CHECK-NEXT:  -      -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq     %rax, %rbx
  82 # CHECK-NEXT:  -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq     %rbx, %rcx
  83 # CHECK-NEXT:  -      -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq     %rcx, %rdx
  84 # CHECK-NEXT:  -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq     %rdx, %rax
  85
  86 # CHECK:      Timeline view:
  87 # CHECK-NEXT:                     01234
  88 # CHECK-NEXT: Index     0123456789
  89
  90 # CHECK:      [0,0]     DR   .    .   .   xorq  %rax, %rax
  91 # CHECK-NEXT: [0,1]     DeER .    .   .   movq  %rax, %rbx
  92 # CHECK-NEXT: [0,2]     D=eER.    .   .   movq  %rbx, %rcx
  93 # CHECK-NEXT: [0,3]     D==eER    .   .   movq  %rcx, %rdx
  94 # CHECK-NEXT: [0,4]     .D==eER   .   .   movq  %rdx, %rax
  95 # CHECK-NEXT: [1,0]     .D----R   .   .   xorq  %rax, %rax
  96 # CHECK-NEXT: [1,1]     .D===eER  .   .   movq  %rax, %rbx
  97 # CHECK-NEXT: [1,2]     .D====eER .   .   movq  %rbx, %rcx
  98 # CHECK-NEXT: [1,3]     . D====eER.   .   movq  %rcx, %rdx
  99 # CHECK-NEXT: [1,4]     . D=====eER   .   movq  %rdx, %rax
 100 # CHECK-NEXT: [2,0]     . D-------R   .   xorq  %rax, %rax
 101 # CHECK-NEXT: [2,1]     . D======eER  .   movq  %rax, %rbx
 102 # CHECK-NEXT: [2,2]     .  D======eER .   movq  %rbx, %rcx
 103 # CHECK-NEXT: [2,3]     .  D=======eER.   movq  %rcx, %rdx
 104 # CHECK-NEXT: [2,4]     .  D========eER   movq  %rdx, %rax
 105
 106 # CHECK:      Average Wait times (based on the timeline view):
 107 # CHECK-NEXT: [0]: Executions
 108 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
 109 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
 110 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
 111
 112 # CHECK:            [0]    [1]    [2]    [3]
 113 # CHECK-NEXT: 0.     3     0.0    0.0    3.7       xorq %rax, %rax
 114 # CHECK-NEXT: 1.     3     4.0    4.0    0.0       movq %rax, %rbx
 115 # CHECK-NEXT: 2.     3     4.7    0.0    0.0       movq %rbx, %rcx
 116 # CHECK-NEXT: 3.     3     5.3    0.0    0.0       movq %rcx, %rdx
 117 # CHECK-NEXT: 4.     3     6.0    0.0    0.0       movq %rdx, %rax