llvm/test/tools/llvm-mca/RISCV/sew-instrument-in-middle.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=riscv64 -mcpu=sifive-x280 -timeline -iterations=1 < %s | FileCheck %s
   3
   4 # llvm-mca should use `WorstCase` SEW if there is no instrument that specifies
   5 # which SEW to use. On sifive-x280, `WorstCase` SEW is the smallest SEW, so
   6 # the first vadd.vv should use E8 and the second should use E64.
   7
   8 vdiv.vv v8, v8, v12
   9 vsetvli zero, a0, e8, m8, tu, mu
  10 # LLVM-MCA-RISCV-LMUL M8
  11 # LLVM-MCA-RISCV-SEW E64
  12 vdiv.vv v8, v8, v12
  13
  14 # CHECK:      Iterations:        1
  15 # CHECK-NEXT: Instructions:      3
  16 # CHECK-NEXT: Total Cycles:      2834
  17 # CHECK-NEXT: Total uOps:        3
  18
  19 # CHECK:      Dispatch Width:    2
  20 # CHECK-NEXT: uOps Per Cycle:    0.00
  21 # CHECK-NEXT: IPC:               0.00
  22 # CHECK-NEXT: Block RThroughput: 2834.0
  23
  24 # CHECK:      Instruction Info:
  25 # CHECK-NEXT: [1]: #uOps
  26 # CHECK-NEXT: [2]: Latency
  27 # CHECK-NEXT: [3]: RThroughput
  28 # CHECK-NEXT: [4]: MayLoad
  29 # CHECK-NEXT: [5]: MayStore
  30 # CHECK-NEXT: [6]: HasSideEffects (U)
  31
  32 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  33 # CHECK-NEXT:  1      1920   1921.00                      vdiv.vv       v8, v8, v12
  34 # CHECK-NEXT:  1      3     1.00                  U     vsetvli zero, a0, e8, m8, tu, mu
  35 # CHECK-NEXT:  1      912   913.00                      vdiv.vv v8, v8, v12
  36
  37 # CHECK:      Resources:
  38 # CHECK-NEXT: [0]   - SiFive7FDiv
  39 # CHECK-NEXT: [1]   - SiFive7IDiv
  40 # CHECK-NEXT: [2]   - SiFive7PipeA
  41 # CHECK-NEXT: [3]   - SiFive7PipeB
  42 # CHECK-NEXT: [4]   - SiFive7VA
  43 # CHECK-NEXT: [5]   - SiFive7VCQ
  44 # CHECK-NEXT: [6]   - SiFive7VL
  45 # CHECK-NEXT: [7]   - SiFive7VS
  46
  47 # CHECK:      Resource pressure per iteration:
  48 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]
  49 # CHECK-NEXT:  -      -     1.00    -     2834.00 2.00   -      -
  50
  51 # CHECK:      Resource pressure by instruction:
  52 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    Instructions:
  53 # CHECK-NEXT:  -      -      -      -     1921.00 1.00   -      -     vdiv.vv   v8, v8, v12
  54 # CHECK-NEXT:  -      -     1.00    -      -      -      -      -     vsetvli   zero, a0, e8, m8, tu, mu
  55 # CHECK-NEXT:  -      -      -      -     913.00 1.00    -      -     vdiv.vv   v8, v8, v12
  56
  57 # CHECK:      Timeline view:
  58 # CHECK-NEXT: Index     0
  59 # CHECK-NEXT: Truncated display due to cycle limit
  60
  61 # CHECK:      Average Wait times (based on the timeline view):
  62 # CHECK-NEXT: [0]: Executions
  63 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  64 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  65 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  66
  67 # CHECK:            [0]    [1]    [2]    [3]
  68 # CHECK-NEXT: 0.     1     0.0    0.0    0.0       vdiv.vv      v8, v8, v12
  69 # CHECK-NEXT: 1.     1     0.0    0.0    0.0       vsetvli      zero, a0, e8, m8, tu, mu
  70 # CHECK-NEXT: 2.     1     0.0    0.0    0.0       vdiv.vv      v8, v8, v12
  71 # CHECK-NEXT:        1     0.0    0.0    0.0       <total>