| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -iterations=1500 -timeline -timeline-max-iterations=3 < %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: 3005 |
| # CHECK-NEXT: Total uOps: 4500 |
| |
| # CHECK: Dispatch Width: 4 |
| # CHECK-NEXT: uOps Per Cycle: 1.50 |
| # CHECK-NEXT: IPC: 1.50 |
| # CHECK-NEXT: Block RThroughput: 2.0 |
| |
| # 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 3 1.00 lzcntw %ax, %bx |
| # CHECK-NEXT: 1 1 0.33 addw %cx, %bx |
| |
| # CHECK: Resources: |
| # CHECK-NEXT: [0] - SBDivider |
| # CHECK-NEXT: [1] - SBFPDivider |
| # CHECK-NEXT: [2] - SBPort0 |
| # CHECK-NEXT: [3] - SBPort1 |
| # CHECK-NEXT: [4] - SBPort4 |
| # CHECK-NEXT: [5] - SBPort5 |
| # CHECK-NEXT: [6.0] - SBPort23 |
| # CHECK-NEXT: [6.1] - SBPort23 |
| |
| # CHECK: Resource pressure per iteration: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] |
| # CHECK-NEXT: - - 0.50 2.00 - 0.50 - - |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions: |
| # CHECK-NEXT: - - - 1.00 - - - - imulw %ax, %bx |
| # CHECK-NEXT: - - - 1.00 - - - - lzcntw %ax, %bx |
| # CHECK-NEXT: - - 0.50 - - 0.50 - - addw %cx, %bx |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: 01 |
| # CHECK-NEXT: Index 0123456789 |
| |
| # CHECK: [0,0] DeeeER .. imulw %ax, %bx |
| # CHECK-NEXT: [0,1] D=eeeER .. 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=eeeE---R. lzcntw %ax, %bx |
| # CHECK-NEXT: [1,2] .D====eE--R. addw %cx, %bx |
| # CHECK-NEXT: [2,0] .D=====eeeER imulw %ax, %bx |
| # CHECK-NEXT: [2,1] .D==eeeE---R lzcntw %ax, %bx |
| # CHECK-NEXT: [2,2] . D====eE--R 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. 3 4.3 0.3 0.0 imulw %ax, %bx |
| # CHECK-NEXT: 1. 3 2.3 2.3 2.0 lzcntw %ax, %bx |
| # CHECK-NEXT: 2. 3 5.0 0.0 1.3 addw %cx, %bx |
| # CHECK-NEXT: 3 3.9 0.9 1.1 <total> |
