llvm/test/tools/llvm-mca/ARM/memcpy-ldm-stm.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=armv7-unknown-unknown -mcpu=swift -iterations=300 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
   3
   4   ldm   r2!, {r3, r4, r5, r6, r12, lr}
   5   stm   r0!, {r3, r4, r5, r6, r12, lr}
   6
   7 # CHECK:      Iterations:        300
   8 # CHECK-NEXT: Instructions:      600
   9 # CHECK-NEXT: Total Cycles:      1295
  10 # CHECK-NEXT: Total uOps:        2400
  11
  12 # CHECK:      Dispatch Width:    3
  13 # CHECK-NEXT: uOps Per Cycle:    1.85
  14 # CHECK-NEXT: IPC:               0.46
  15 # CHECK-NEXT: Block RThroughput: 4.0
  16
  17 # CHECK:      Instruction Info:
  18 # CHECK-NEXT: [1]: #uOps
  19 # CHECK-NEXT: [2]: Latency
  20 # CHECK-NEXT: [3]: RThroughput
  21 # CHECK-NEXT: [4]: MayLoad
  22 # CHECK-NEXT: [5]: MayStore
  23 # CHECK-NEXT: [6]: HasSideEffects (U)
  24
  25 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  26 # CHECK-NEXT:  3      18    2.00    *                   ldm     r2!, {r3, r4, r5, r6, r12, lr}
  27 # CHECK-NEXT:  5      1     2.00           *            stm     r0!, {r3, r4, r5, r6, r12, lr}
  28
  29 # CHECK:      Resources:
  30 # CHECK-NEXT: [0]   - SwiftUnitDiv
  31 # CHECK-NEXT: [1]   - SwiftUnitP0
  32 # CHECK-NEXT: [2]   - SwiftUnitP1
  33 # CHECK-NEXT: [3]   - SwiftUnitP2
  34 # CHECK-NEXT: [4.0] - SwiftUnitP01
  35 # CHECK-NEXT: [4.1] - SwiftUnitP01
  36
  37 # CHECK:      Resource pressure per iteration:
  38 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4.0]  [4.1]
  39 # CHECK-NEXT:  -      -      -     4.00   2.46   2.54
  40
  41 # CHECK:      Resource pressure by instruction:
  42 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4.0]  [4.1]  Instructions:
  43 # CHECK-NEXT:  -      -      -     2.00   1.09   0.91   ldm     r2!, {r3, r4, r5, r6, r12, lr}
  44 # CHECK-NEXT:  -      -      -     2.00   1.37   1.63   stm     r0!, {r3, r4, r5, r6, r12, lr}
  45
  46 # CHECK:      Timeline view:
  47 # CHECK-NEXT:                     0123456789
  48 # CHECK-NEXT: Index     0123456789          012345678
  49
  50 # CHECK:      [0,0]     DeeeeeeeeeeeeeeeeeeER    .  .   ldm     r2!, {r3, r4, r5, r6, r12, lr}
  51 # CHECK-NEXT: [0,1]     .D=================eER   .  .   stm     r0!, {r3, r4, r5, r6, r12, lr}
  52 # CHECK-NEXT: [1,0]     .  DeeeeeeeeeeeeeeeeeeER .  .   ldm     r2!, {r3, r4, r5, r6, r12, lr}
  53 # CHECK-NEXT: [1,1]     .   D=================eER.  .   stm     r0!, {r3, r4, r5, r6, r12, lr}
  54 # CHECK-NEXT: [2,0]     .    .DeeeeeeeeeeeeeeeeeeER .   ldm     r2!, {r3, r4, r5, r6, r12, lr}
  55 # CHECK-NEXT: [2,1]     .    . D==================eER   stm     r0!, {r3, r4, r5, r6, r12, lr}
  56
  57 # CHECK:      Average Wait times (based on the timeline view):
  58 # CHECK-NEXT: [0]: Executions
  59 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  60 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  61 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  62
  63 # CHECK:            [0]    [1]    [2]    [3]
  64 # CHECK-NEXT: 0.     3     1.0    1.0    0.0       ldm  r2!, {r3, r4, r5, r6, r12, lr}
  65 # CHECK-NEXT: 1.     3     18.3   0.3    0.0       stm  r0!, {r3, r4, r5, r6, r12, lr}
  66 # CHECK-NEXT:        3     9.7    0.7    0.0       <total>