1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver1 -iterations=1500 -timeline -timeline-max-iterations=4 < %s | FileCheck %s 3 4# Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the 5# imul. However, the folded load can start immediately. 6# The last lzcnt has a false dependency on %cx. However, even in this case, the 7# folded load can start immediately. 8 9imul %edx, %ecx 10lzcnt (%rsp), %cx 11lzcnt 2(%rsp), %cx 12 13# CHECK: Iterations: 1500 14# CHECK-NEXT: Instructions: 4500 15# CHECK-NEXT: Total Cycles: 10503 16# CHECK-NEXT: Total uOps: 7500 17 18# CHECK: Dispatch Width: 4 19# CHECK-NEXT: uOps Per Cycle: 0.71 20# CHECK-NEXT: IPC: 0.43 21# CHECK-NEXT: Block RThroughput: 1.3 22 23# CHECK: Instruction Info: 24# CHECK-NEXT: [1]: #uOps 25# CHECK-NEXT: [2]: Latency 26# CHECK-NEXT: [3]: RThroughput 27# CHECK-NEXT: [4]: MayLoad 28# CHECK-NEXT: [5]: MayStore 29# CHECK-NEXT: [6]: HasSideEffects (U) 30 31# CHECK: [1] [2] [3] [4] [5] [6] Instructions: 32# CHECK-NEXT: 1 3 1.00 imull %edx, %ecx 33# CHECK-NEXT: 2 6 0.50 * lzcntw (%rsp), %cx 34# CHECK-NEXT: 2 6 0.50 * lzcntw 2(%rsp), %cx 35 36# CHECK: Resources: 37# CHECK-NEXT: [0] - ZnAGU0 38# CHECK-NEXT: [1] - ZnAGU1 39# CHECK-NEXT: [2] - ZnALU0 40# CHECK-NEXT: [3] - ZnALU1 41# CHECK-NEXT: [4] - ZnALU2 42# CHECK-NEXT: [5] - ZnALU3 43# CHECK-NEXT: [6] - ZnDivider 44# CHECK-NEXT: [7] - ZnFPU0 45# CHECK-NEXT: [8] - ZnFPU1 46# CHECK-NEXT: [9] - ZnFPU2 47# CHECK-NEXT: [10] - ZnFPU3 48# CHECK-NEXT: [11] - ZnMultiplier 49 50# CHECK: Resource pressure per iteration: 51# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] 52# CHECK-NEXT: 1.00 1.00 0.67 1.00 0.67 0.67 - - - - - 1.00 53 54# CHECK: Resource pressure by instruction: 55# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions: 56# CHECK-NEXT: - - - 1.00 - - - - - - - 1.00 imull %edx, %ecx 57# CHECK-NEXT: - 1.00 0.33 - 0.33 0.33 - - - - - - lzcntw (%rsp), %cx 58# CHECK-NEXT: 1.00 - 0.33 - 0.33 0.33 - - - - - - lzcntw 2(%rsp), %cx 59 60# CHECK: Timeline view: 61# CHECK-NEXT: 0123456789 0 62# CHECK-NEXT: Index 0123456789 0123456789 63 64# CHECK: [0,0] DeeeER . . . . . imull %edx, %ecx 65# CHECK-NEXT: [0,1] DeeeeeeER . . . . . lzcntw (%rsp), %cx 66# CHECK-NEXT: [0,2] .DeeeeeeER. . . . . lzcntw 2(%rsp), %cx 67# CHECK-NEXT: [1,0] .D======eeeER . . . . imull %edx, %ecx 68# CHECK-NEXT: [1,1] . D=====eeeeeeER . . . lzcntw (%rsp), %cx 69# CHECK-NEXT: [1,2] . D======eeeeeeER . . . lzcntw 2(%rsp), %cx 70# CHECK-NEXT: [2,0] . D===========eeeER. . . imull %edx, %ecx 71# CHECK-NEXT: [2,1] . D===========eeeeeeER . . lzcntw (%rsp), %cx 72# CHECK-NEXT: [2,2] . D===========eeeeeeER . . lzcntw 2(%rsp), %cx 73# CHECK-NEXT: [3,0] . D=================eeeER . imull %edx, %ecx 74# CHECK-NEXT: [3,1] . D================eeeeeeER. lzcntw (%rsp), %cx 75# CHECK-NEXT: [3,2] . D=================eeeeeeER lzcntw 2(%rsp), %cx 76 77# CHECK: Average Wait times (based on the timeline view): 78# CHECK-NEXT: [0]: Executions 79# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 80# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 81# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 82 83# CHECK: [0] [1] [2] [3] 84# CHECK-NEXT: 0. 4 9.5 0.3 0.0 imull %edx, %ecx 85# CHECK-NEXT: 1. 4 9.0 0.0 0.0 lzcntw (%rsp), %cx 86# CHECK-NEXT: 2. 4 9.5 0.0 0.0 lzcntw 2(%rsp), %cx 87# CHECK-NEXT: 4 9.3 0.1 0.0 <total> 88