| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver1 -iterations=1500 -timeline -timeline-max-iterations=7 < %s | FileCheck %s |
| |
| # The lzcnt cannot execute in parallel with the imul because there is a false |
| # dependency on %bx. |
| |
| imul %ax, %bx |
| lzcnt %ax, %bx |
| add %cx, %bx |
| |
| # CHECK: Iterations: 1500 |
| # CHECK-NEXT: Instructions: 4500 |
| # CHECK-NEXT: Total Cycles: 7503 |
| # CHECK-NEXT: Dispatch Width: 4 |
| # CHECK-NEXT: IPC: 0.60 |
| # CHECK-NEXT: Block RThroughput: 1.0 |
| |
| # 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: 1 3 1.00 imulw %ax, %bx |
| # CHECK-NEXT: 1 2 0.25 lzcntw %ax, %bx |
| # CHECK-NEXT: 1 1 0.25 addw %cx, %bx |
| |
| # CHECK: Resources: |
| # CHECK-NEXT: [0] - ZnAGU0 |
| # CHECK-NEXT: [1] - ZnAGU1 |
| # CHECK-NEXT: [2] - ZnALU0 |
| # CHECK-NEXT: [3] - ZnALU1 |
| # CHECK-NEXT: [4] - ZnALU2 |
| # CHECK-NEXT: [5] - ZnALU3 |
| # CHECK-NEXT: [6] - ZnDivider |
| # CHECK-NEXT: [7] - ZnFPU0 |
| # CHECK-NEXT: [8] - ZnFPU1 |
| # CHECK-NEXT: [9] - ZnFPU2 |
| # CHECK-NEXT: [10] - ZnFPU3 |
| # CHECK-NEXT: [11] - ZnMultiplier |
| |
| # CHECK: Resource pressure per iteration: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] |
| # CHECK-NEXT: - - 0.67 1.00 0.67 0.67 - - - - - 1.00 |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions: |
| # CHECK-NEXT: - - - 1.00 - - - - - - - 1.00 imulw %ax, %bx |
| # CHECK-NEXT: - - 0.33 - 0.33 0.33 - - - - - - lzcntw %ax, %bx |
| # CHECK-NEXT: - - 0.33 - 0.33 0.33 - - - - - - addw %cx, %bx |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: 0123456789 01234567 |
| # CHECK-NEXT: Index 0123456789 0123456789 |
| |
| # CHECK: [0,0] DeeeER . . . . . . . imulw %ax, %bx |
| # CHECK-NEXT: [0,1] D==eeER . . . . . . . lzcntw %ax, %bx |
| # CHECK-NEXT: [0,2] D====eER . . . . . . . addw %cx, %bx |
| # CHECK-NEXT: [1,0] D=====eeeER . . . . . . imulw %ax, %bx |
| # CHECK-NEXT: [1,1] .D======eeER . . . . . . lzcntw %ax, %bx |
| # CHECK-NEXT: [1,2] .D========eER . . . . . . addw %cx, %bx |
| # CHECK-NEXT: [2,0] .D=========eeeER . . . . . imulw %ax, %bx |
| # CHECK-NEXT: [2,1] .D===========eeER . . . . . lzcntw %ax, %bx |
| # CHECK-NEXT: [2,2] . D============eER . . . . . addw %cx, %bx |
| # CHECK-NEXT: [3,0] . D=============eeeER . . . . imulw %ax, %bx |
| # CHECK-NEXT: [3,1] . D===============eeER . . . . lzcntw %ax, %bx |
| # CHECK-NEXT: [3,2] . D=================eER . . . . addw %cx, %bx |
| # CHECK-NEXT: [4,0] . D=================eeeER . . . imulw %ax, %bx |
| # CHECK-NEXT: [4,1] . D===================eeER . . . lzcntw %ax, %bx |
| # CHECK-NEXT: [4,2] . D=====================eER . . . addw %cx, %bx |
| # CHECK-NEXT: [5,0] . D======================eeeER . . imulw %ax, %bx |
| # CHECK-NEXT: [5,1] . D=======================eeER . . lzcntw %ax, %bx |
| # CHECK-NEXT: [5,2] . D=========================eER . . addw %cx, %bx |
| # CHECK-NEXT: [6,0] . D==========================eeeER . imulw %ax, %bx |
| # CHECK-NEXT: [6,1] . D============================eeER. lzcntw %ax, %bx |
| # CHECK-NEXT: [6,2] . D=============================eER addw %cx, %bx |
| |
| # 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. 7 14.1 0.1 0.0 imulw %ax, %bx |
| # CHECK-NEXT: 1. 7 15.9 0.0 0.0 lzcntw %ax, %bx |
| # CHECK-NEXT: 2. 7 17.6 0.0 0.0 addw %cx, %bx |
