test/tools/llvm-mca/X86/Barcelona/read-advance-1.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=1 -timeline -resource-pressure=false < %s | FileCheck %s
   3
   4 # The vmul can start executing 2cy in advance. That is beause the first use
   5 # operand (i.e. %xmm1) is a ReadAfterLd. That means, the memory operand is
   6 # evaluated before %xmm1.
   7
   8 addps  %xmm0, %xmm1
   9 mulps  (%rdi), %xmm1
  10
  11 # CHECK:      Iterations:        1
  12 # CHECK-NEXT: Instructions:      2
  13 # CHECK-NEXT: Total Cycles:      14
  14 # CHECK-NEXT: Total uOps:        3
  15
  16 # CHECK:      Dispatch Width:    4
  17 # CHECK-NEXT: uOps Per Cycle:    0.21
  18 # CHECK-NEXT: IPC:               0.14
  19 # CHECK-NEXT: Block RThroughput: 1.0
  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                        addps   %xmm0, %xmm1
  31 # CHECK-NEXT:  2      11    1.00    *                   mulps   (%rdi), %xmm1
  32
  33 # CHECK:      Timeline view:
  34 # CHECK-NEXT:                     0123
  35 # CHECK-NEXT: Index     0123456789
  36
  37 # CHECK:      [0,0]     DeeeER    .  .   addps  %xmm0, %xmm1
  38 # CHECK-NEXT: [0,1]     DeeeeeeeeeeeER   mulps  (%rdi), %xmm1
  39
  40 # CHECK:      Average Wait times (based on the timeline view):
  41 # CHECK-NEXT: [0]: Executions
  42 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  43 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  44 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  45
  46 # CHECK:            [0]    [1]    [2]    [3]
  47 # CHECK-NEXT: 0.     1     1.0    1.0    0.0       addps        %xmm0, %xmm1
  48 # CHECK-NEXT: 1.     1     1.0    0.0    0.0       mulps        (%rdi), %xmm1
  49 # CHECK-NEXT:        1     1.0    0.5    0.0       <total>