| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver3 -iterations=1500 -timeline -timeline-max-iterations=4 < %s | FileCheck %s |
| |
| # Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the |
| # imul. However, the folded load can start immediately. |
| # The last lzcnt has a false dependency on %cx. However, even in this case, the |
| # folded load can start immediately. |
| |
| imul %edx, %ecx |
| lzcnt (%rsp), %cx |
| lzcnt 2(%rsp), %cx |
| |
| # CHECK: Iterations: 1500 |
| # CHECK-NEXT: Instructions: 4500 |
| # CHECK-NEXT: Total Cycles: 9003 |
| # CHECK-NEXT: Total uOps: 4500 |
| |
| # CHECK: Dispatch Width: 6 |
| # CHECK-NEXT: uOps Per Cycle: 0.50 |
| # 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: 1 3 1.00 imull %edx, %ecx |
| # CHECK-NEXT: 1 5 0.33 * lzcntw (%rsp), %cx |
| # CHECK-NEXT: 1 5 0.33 * lzcntw 2(%rsp), %cx |
| |
| # CHECK: Resources: |
| # CHECK-NEXT: [0] - Zn3AGU0 |
| # CHECK-NEXT: [1] - Zn3AGU1 |
| # CHECK-NEXT: [2] - Zn3AGU2 |
| # CHECK-NEXT: [3] - Zn3ALU0 |
| # CHECK-NEXT: [4] - Zn3ALU1 |
| # CHECK-NEXT: [5] - Zn3ALU2 |
| # CHECK-NEXT: [6] - Zn3ALU3 |
| # CHECK-NEXT: [7] - Zn3BRU1 |
| # CHECK-NEXT: [8] - Zn3FP0 |
| # CHECK-NEXT: [9] - Zn3FP1 |
| # CHECK-NEXT: [10] - Zn3FP2 |
| # CHECK-NEXT: [11] - Zn3FP3 |
| # CHECK-NEXT: [12.0] - Zn3FP45 |
| # CHECK-NEXT: [12.1] - Zn3FP45 |
| # CHECK-NEXT: [13] - Zn3FPSt |
| # CHECK-NEXT: [14.0] - Zn3LSU |
| # CHECK-NEXT: [14.1] - Zn3LSU |
| # CHECK-NEXT: [14.2] - Zn3LSU |
| # CHECK-NEXT: [15.0] - Zn3Load |
| # CHECK-NEXT: [15.1] - Zn3Load |
| # CHECK-NEXT: [15.2] - Zn3Load |
| # CHECK-NEXT: [16.0] - Zn3Store |
| # CHECK-NEXT: [16.1] - Zn3Store |
| |
| # CHECK: Resource pressure per iteration: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] |
| # CHECK-NEXT: 0.67 0.67 0.67 0.67 1.00 0.67 0.67 - - - - - - - - 0.67 0.67 0.67 0.67 0.67 0.67 - - |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12.0] [12.1] [13] [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions: |
| # CHECK-NEXT: - - - - 1.00 - - - - - - - - - - - - - - - - - - imull %edx, %ecx |
| # CHECK-NEXT: 0.33 0.33 0.33 0.33 - 0.33 0.33 - - - - - - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - lzcntw (%rsp), %cx |
| # CHECK-NEXT: 0.33 0.33 0.33 0.33 - 0.33 0.33 - - - - - - - - 0.33 0.33 0.33 0.33 0.33 0.33 - - lzcntw 2(%rsp), %cx |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: 0123456789 |
| # CHECK-NEXT: Index 0123456789 0123456 |
| |
| # CHECK: [0,0] DeeeER . . . .. imull %edx, %ecx |
| # CHECK-NEXT: [0,1] DeeeeeER . . . .. lzcntw (%rsp), %cx |
| # CHECK-NEXT: [0,2] D=eeeeeER . . . .. lzcntw 2(%rsp), %cx |
| # CHECK-NEXT: [1,0] D======eeeER . . .. imull %edx, %ecx |
| # CHECK-NEXT: [1,1] D======eeeeeER . . .. lzcntw (%rsp), %cx |
| # CHECK-NEXT: [1,2] D=======eeeeeER. . .. lzcntw 2(%rsp), %cx |
| # CHECK-NEXT: [2,0] .D===========eeeER . .. imull %edx, %ecx |
| # CHECK-NEXT: [2,1] .D===========eeeeeER. .. lzcntw (%rsp), %cx |
| # CHECK-NEXT: [2,2] .D============eeeeeER .. lzcntw 2(%rsp), %cx |
| # CHECK-NEXT: [3,0] .D=================eeeER .. imull %edx, %ecx |
| # CHECK-NEXT: [3,1] .D=================eeeeeER. lzcntw (%rsp), %cx |
| # CHECK-NEXT: [3,2] .D==================eeeeeER lzcntw 2(%rsp), %cx |
| |
| # 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. 4 9.5 0.3 0.0 imull %edx, %ecx |
| # CHECK-NEXT: 1. 4 9.5 0.0 0.0 lzcntw (%rsp), %cx |
| # CHECK-NEXT: 2. 4 10.5 0.0 0.0 lzcntw 2(%rsp), %cx |
| # CHECK-NEXT: 4 9.8 0.1 0.0 <total> |
