# 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=8 < %s | FileCheck %s lzcnt %ax, %bx ## partial register stall. # CHECK: Iterations: 1500 # CHECK-NEXT: Instructions: 1500 # CHECK-NEXT: Total Cycles: 1504 # CHECK-NEXT: Total uOps: 1500 # CHECK: Dispatch Width: 4 # CHECK-NEXT: uOps Per Cycle: 1.00 # CHECK-NEXT: IPC: 1.00 # CHECK-NEXT: Block RThroughput: 0.3 # 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 2 0.25 lzcntw %ax, %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: - - 0.25 0.25 0.25 0.25 - - - - - - # CHECK: Resource pressure by instruction: # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions: # CHECK-NEXT: - - 0.25 0.25 0.25 0.25 - - - - - - lzcntw %ax, %bx # CHECK: Timeline view: # CHECK-NEXT: 01 # CHECK-NEXT: Index 0123456789 # CHECK: [0,0] DeeER. .. lzcntw %ax, %bx # CHECK-NEXT: [1,0] D=eeER .. lzcntw %ax, %bx # CHECK-NEXT: [2,0] D==eeER .. lzcntw %ax, %bx # CHECK-NEXT: [3,0] D===eeER .. lzcntw %ax, %bx # CHECK-NEXT: [4,0] .D===eeER .. lzcntw %ax, %bx # CHECK-NEXT: [5,0] .D====eeER.. lzcntw %ax, %bx # CHECK-NEXT: [6,0] .D=====eeER. lzcntw %ax, %bx # CHECK-NEXT: [7,0] .D======eeER lzcntw %ax, %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. 8 4.0 0.1 0.0 lzcntw %ax, %bx