| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s |
| |
| # Although both SBB are dependency breaking instructions, there is still an |
| # implicit dependency on EFLAGS which limits the ILP. So, the hardware backend |
| # can only execute one instruction per cycle. |
| |
| sbb %edx, %edx |
| sbb %eax, %eax |
| |
| # CHECK: Iterations: 1500 |
| # CHECK-NEXT: Instructions: 3000 |
| # CHECK-NEXT: Total Cycles: 6003 |
| # CHECK-NEXT: Total uOps: 6000 |
| |
| # CHECK: Dispatch Width: 4 |
| # CHECK-NEXT: uOps Per Cycle: 1.00 |
| # CHECK-NEXT: IPC: 0.50 |
| # 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: 2 2 0.67 sbbl %edx, %edx |
| # CHECK-NEXT: 2 2 0.67 sbbl %eax, %eax |
| |
| # 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: - - 1.33 1.33 - 1.33 - - |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions: |
| # CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %edx, %edx |
| # CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %eax, %eax |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: 01234 |
| # CHECK-NEXT: Index 0123456789 |
| |
| # CHECK: [0,0] DeeER. . . sbbl %edx, %edx |
| # CHECK-NEXT: [0,1] D==eeER . . sbbl %eax, %eax |
| # CHECK-NEXT: [1,0] .D===eeER . . sbbl %edx, %edx |
| # CHECK-NEXT: [1,1] .D=====eeER . sbbl %eax, %eax |
| # CHECK-NEXT: [2,0] . D======eeER . sbbl %edx, %edx |
| # CHECK-NEXT: [2,1] . D========eeER sbbl %eax, %eax |
| |
| # 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 4.0 0.3 0.0 sbbl %edx, %edx |
| # CHECK-NEXT: 1. 3 6.0 0.0 0.0 sbbl %eax, %eax |
| # CHECK-NEXT: 3 5.0 0.2 0.0 <total> |
