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 lock cmpxchg8b  (%rax)
   7 lock cmpxchg16b (%rax)
   8
   9 # CHECK:      Instruction Info:
  10 # CHECK-NEXT: [1]: #uOps
  11 # CHECK-NEXT: [2]: Latency
  12 # CHECK-NEXT: [3]: RThroughput
  13 # CHECK-NEXT: [4]: MayLoad
  14 # CHECK-NEXT: [5]: MayStore
  15 # CHECK-NEXT: [6]: HasSideEffects (U)
  16
  17 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  18 # CHECK-NEXT:  14     16    2.75    *      *            cmpxchg8b       (%rax)
  19 # CHECK-NEXT:  19     21    4.00    *      *            cmpxchg16b      (%rax)
  20 # CHECK-NEXT:  14     16    2.75    *      *            lock            cmpxchg8b       (%rax)
  21 # CHECK-NEXT:  19     21    4.00    *      *            lock            cmpxchg16b      (%rax)
  22
  23 # CHECK:      Resources:
  24 # CHECK-NEXT: [0]   - BWDivider
  25 # CHECK-NEXT: [1]   - BWFPDivider
  26 # CHECK-NEXT: [2]   - BWPort0
  27 # CHECK-NEXT: [3]   - BWPort1
  28 # CHECK-NEXT: [4]   - BWPort2
  29 # CHECK-NEXT: [5]   - BWPort3
  30 # CHECK-NEXT: [6]   - BWPort4
  31 # CHECK-NEXT: [7]   - BWPort5
  32 # CHECK-NEXT: [8]   - BWPort6
  33 # CHECK-NEXT: [9]   - BWPort7
  34
  35 # CHECK:      Resource pressure per iteration:
  36 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
  37 # CHECK-NEXT:  -      -     17.50  7.50   3.33   3.33   4.00   15.50  13.50  1.33
  38
  39 # CHECK:      Resource pressure by instruction:
  40 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
  41 # CHECK-NEXT:  -      -     3.25   2.25   0.83   0.83   1.00   2.25   3.25   0.33   cmpxchg8b   (%rax)
  42 # CHECK-NEXT:  -      -     5.50   1.50   0.83   0.83   1.00   5.50   3.50   0.33   cmpxchg16b  (%rax)
  43 # CHECK-NEXT:  -      -     3.25   2.25   0.83   0.83   1.00   2.25   3.25   0.33   lock                cmpxchg8b       (%rax)
  44 # CHECK-NEXT:  -      -     5.50   1.50   0.83   0.83   1.00   5.50   3.50   0.33   lock                cmpxchg16b      (%rax)