| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=aarch64 -mcpu=cortex-a55 --all-views --iterations=2 < %s | FileCheck %s |
| |
| ldr w4, [x2], #4 |
| ldr w5, [x3] |
| madd w0, w5, w4, w0 |
| add x3, x3, x13 |
| subs x1, x1, #1 |
| str w0, [x21, x18, lsl #2] |
| |
| # CHECK: Iterations: 2 |
| # CHECK-NEXT: Instructions: 12 |
| # CHECK-NEXT: Total Cycles: 17 |
| # CHECK-NEXT: Total uOps: 14 |
| |
| # CHECK: Dispatch Width: 2 |
| # CHECK-NEXT: uOps Per Cycle: 0.82 |
| # CHECK-NEXT: IPC: 0.71 |
| # CHECK-NEXT: Block RThroughput: 3.5 |
| |
| # CHECK: Instruction Info: |
| # CHECK-NEXT: [1]: #uOps |
| # CHECK-NEXT: [2]: Latency |
| # CHECK-NEXT: [3]: RThroughput |
| # CHECK-NEXT: [4]: MayLoad |
| # CHECK-NEXT: [5]: MayStore |
| # CHECK-NEXT: [6]: HasSideEffects (U) |
| |
| # CHECK: [1] [2] [3] [4] [5] [6] Instructions: |
| # CHECK-NEXT: 2 3 1.00 * ldr w4, [x2], #4 |
| # CHECK-NEXT: 1 3 1.00 * ldr w5, [x3] |
| # CHECK-NEXT: 1 4 1.00 madd w0, w5, w4, w0 |
| # CHECK-NEXT: 1 3 0.50 add x3, x3, x13 |
| # CHECK-NEXT: 1 3 0.50 subs x1, x1, #1 |
| # CHECK-NEXT: 1 1 1.00 * str w0, [x21, x18, lsl #2] |
| |
| # CHECK: Dynamic Dispatch Stall Cycles: |
| # CHECK-NEXT: RAT - Register unavailable: 8 (47.1%) |
| # CHECK-NEXT: RCU - Retire tokens unavailable: 0 |
| # CHECK-NEXT: SCHEDQ - Scheduler full: 0 |
| # CHECK-NEXT: LQ - Load queue full: 0 |
| # CHECK-NEXT: SQ - Store queue full: 0 |
| # CHECK-NEXT: GROUP - Static restrictions on the dispatch group: 0 |
| # CHECK-NEXT: USH - Uncategorised Structural Hazard: 0 |
| |
| # CHECK: Dispatch Logic - number of cycles where we saw N micro opcodes dispatched: |
| # CHECK-NEXT: [# dispatched], [# cycles] |
| # CHECK-NEXT: 0, 7 (41.2%) |
| # CHECK-NEXT: 1, 6 (35.3%) |
| # CHECK-NEXT: 2, 4 (23.5%) |
| |
| # CHECK: Schedulers - number of cycles where we saw N micro opcodes issued: |
| # CHECK-NEXT: [# issued], [# cycles] |
| # CHECK-NEXT: 0, 7 (41.2%) |
| # CHECK-NEXT: 1, 6 (35.3%) |
| # CHECK-NEXT: 2, 4 (23.5%) |
| |
| # CHECK: Scheduler's queue usage: |
| # CHECK-NEXT: No scheduler resources used. |
| |
| # CHECK: Register File statistics: |
| # CHECK-NEXT: Total number of mappings created: 14 |
| # CHECK-NEXT: Max number of mappings used: 4 |
| |
| # CHECK: Resources: |
| # CHECK-NEXT: [0.0] - CortexA55UnitALU |
| # CHECK-NEXT: [0.1] - CortexA55UnitALU |
| # CHECK-NEXT: [1] - CortexA55UnitB |
| # CHECK-NEXT: [2] - CortexA55UnitDiv |
| # CHECK-NEXT: [3.0] - CortexA55UnitFPALU |
| # CHECK-NEXT: [3.1] - CortexA55UnitFPALU |
| # CHECK-NEXT: [4] - CortexA55UnitFPDIV |
| # CHECK-NEXT: [5.0] - CortexA55UnitFPMAC |
| # CHECK-NEXT: [5.1] - CortexA55UnitFPMAC |
| # CHECK-NEXT: [6] - CortexA55UnitLd |
| # CHECK-NEXT: [7] - CortexA55UnitMAC |
| # CHECK-NEXT: [8] - CortexA55UnitSt |
| |
| # CHECK: Resource pressure per iteration: |
| # CHECK-NEXT: [0.0] [0.1] [1] [2] [3.0] [3.1] [4] [5.0] [5.1] [6] [7] [8] |
| # CHECK-NEXT: 1.00 1.00 - - - - - - - 2.00 1.00 1.00 |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0.0] [0.1] [1] [2] [3.0] [3.1] [4] [5.0] [5.1] [6] [7] [8] Instructions: |
| # CHECK-NEXT: - - - - - - - - - 1.00 - - ldr w4, [x2], #4 |
| # CHECK-NEXT: - - - - - - - - - 1.00 - - ldr w5, [x3] |
| # CHECK-NEXT: - - - - - - - - - - 1.00 - madd w0, w5, w4, w0 |
| # CHECK-NEXT: - 1.00 - - - - - - - - - - add x3, x3, x13 |
| # CHECK-NEXT: 1.00 - - - - - - - - - - - subs x1, x1, #1 |
| # CHECK-NEXT: - - - - - - - - - - - 1.00 str w0, [x21, x18, lsl #2] |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: 0123456 |
| # CHECK-NEXT: Index 0123456789 |
| |
| # CHECK: [0,0] DeeE . . .. ldr w4, [x2], #4 |
| # CHECK-NEXT: [0,1] .DeeE. . .. ldr w5, [x3] |
| # CHECK-NEXT: [0,2] . DeeeE . .. madd w0, w5, w4, w0 |
| # CHECK-NEXT: [0,3] . DeeE . .. add x3, x3, x13 |
| # CHECK-NEXT: [0,4] . DeeE . .. subs x1, x1, #1 |
| # CHECK-NEXT: [0,5] . . DE . .. str w0, [x21, x18, lsl #2] |
| # CHECK-NEXT: [1,0] . . DeeE .. ldr w4, [x2], #4 |
| # CHECK-NEXT: [1,1] . . DeeE .. ldr w5, [x3] |
| # CHECK-NEXT: [1,2] . . . DeeeE madd w0, w5, w4, w0 |
| # CHECK-NEXT: [1,3] . . . DeeE add x3, x3, x13 |
| # CHECK-NEXT: [1,4] . . . DeeE subs x1, x1, #1 |
| # CHECK-NEXT: [1,5] . . . DE str w0, [x21, x18, lsl #2] |
| |
| # CHECK: Average Wait times (based on the timeline view): |
| # CHECK-NEXT: [0]: Executions |
| # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue |
| # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready |
| # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage |
| |
| # CHECK: [0] [1] [2] [3] |
| # CHECK-NEXT: 0. 2 0.0 0.0 0.0 ldr w4, [x2], #4 |
| # CHECK-NEXT: 1. 2 0.0 0.0 0.0 ldr w5, [x3] |
| # CHECK-NEXT: 2. 2 0.0 0.0 0.0 madd w0, w5, w4, w0 |
| # CHECK-NEXT: 3. 2 0.0 0.0 0.0 add x3, x3, x13 |
| # CHECK-NEXT: 4. 2 0.0 0.0 0.0 subs x1, x1, #1 |
| # CHECK-NEXT: 5. 2 0.0 0.0 0.0 str w0, [x21, x18, lsl #2] |
| # CHECK-NEXT: 2 0.0 0.0 0.0 <total> |
