test/tools/llvm-mca/X86/Broadwell/resources-cmpxchg.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=broadwell -instruction-tables < %s | FileCheck %s
   3
   4 cmpxchg8b  (%rax)
   5 cmpxchg16b (%rax)
   6
   7 # CHECK:      Instruction Info:
   8 # CHECK-NEXT: [1]: #uOps
   9 # CHECK-NEXT: [2]: Latency
  10 # CHECK-NEXT: [3]: RThroughput
  11 # CHECK-NEXT: [4]: MayLoad
  12 # CHECK-NEXT: [5]: MayStore
  13 # CHECK-NEXT: [6]: HasSideEffects (U)
  14
  15 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  16 # CHECK-NEXT:  14     16    2.75    *      *            cmpxchg8b       (%rax)
  17 # CHECK-NEXT:  19     21    4.00    *      *            cmpxchg16b      (%rax)
  18
  19 # CHECK:      Resources:
  20 # CHECK-NEXT: [0]   - BWDivider
  21 # CHECK-NEXT: [1]   - BWFPDivider
  22 # CHECK-NEXT: [2]   - BWPort0
  23 # CHECK-NEXT: [3]   - BWPort1
  24 # CHECK-NEXT: [4]   - BWPort2
  25 # CHECK-NEXT: [5]   - BWPort3
  26 # CHECK-NEXT: [6]   - BWPort4
  27 # CHECK-NEXT: [7]   - BWPort5
  28 # CHECK-NEXT: [8]   - BWPort6
  29 # CHECK-NEXT: [9]   - BWPort7
  30
  31 # CHECK:      Resource pressure per iteration:
  32 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
  33 # CHECK-NEXT:  -      -     8.75   3.75   1.67   1.67   2.00   7.75   6.75   0.67
  34
  35 # CHECK:      Resource pressure by instruction:
  36 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
  37 # CHECK-NEXT:  -      -     3.25   2.25   0.83   0.83   1.00   2.25   3.25   0.33   cmpxchg8b   (%rax)
  38 # CHECK-NEXT:  -      -     5.50   1.50   0.83   0.83   1.00   5.50   3.50   0.33   cmpxchg16b  (%rax)