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 9 imul %edx, %ecx 10 lzcnt (%rsp), %cx 11 lzcnt 2(%rsp), %cx 12 13 # CHECK: Iterations: 1500 14 # CHECK-NEXT: Instructions: 4500 15 # CHECK-NEXT: Total Cycles: 10503 16 # CHECK-NEXT: Dispatch Width: 4 17 # CHECK-NEXT: IPC: 0.43 18 # CHECK-NEXT: Block RThroughput: 1.3 19 20 # CHECK: Instruction Info: 21 # CHECK-NEXT: [1]: #uOps 22 # CHECK-NEXT: [2]: Latency 23 # CHECK-NEXT: [3]: RThroughput 24 # CHECK-NEXT: [4]: MayLoad 25 # CHECK-NEXT: [5]: MayStore 26 # CHECK-NEXT: [6]: HasSideEffects (U) 27 28 # CHECK: [1] [2] [3] [4] [5] [6] Instructions: 29 # CHECK-NEXT: 1 3 1.00 imull %edx, %ecx 30 # CHECK-NEXT: 2 6 0.50 * lzcntw (%rsp), %cx 31 # CHECK-NEXT: 2 6 0.50 * lzcntw 2(%rsp), %cx 32 33 # CHECK: Resources: 34 # CHECK-NEXT: [0] - ZnAGU0 35 # CHECK-NEXT: [1] - ZnAGU1 36 # CHECK-NEXT: [2] - ZnALU0 37 # CHECK-NEXT: [3] - ZnALU1 38 # CHECK-NEXT: [4] - ZnALU2 39 # CHECK-NEXT: [5] - ZnALU3 40 # CHECK-NEXT: [6] - ZnDivider 41 # CHECK-NEXT: [7] - ZnFPU0 42 # CHECK-NEXT: [8] - ZnFPU1 43 # CHECK-NEXT: [9] - ZnFPU2 44 # CHECK-NEXT: [10] - ZnFPU3 45 # CHECK-NEXT: [11] - ZnMultiplier 46 47 # CHECK: Resource pressure per iteration: 48 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] 49 # CHECK-NEXT: 1.00 1.00 0.67 1.00 0.67 0.67 - - - - - 1.00 50 51 # CHECK: Resource pressure by instruction: 52 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions: 53 # CHECK-NEXT: - - - 1.00 - - - - - - - 1.00 imull %edx, %ecx 54 # CHECK-NEXT: - 1.00 0.33 - 0.33 0.33 - - - - - - lzcntw (%rsp), %cx 55 # CHECK-NEXT: 1.00 - 0.33 - 0.33 0.33 - - - - - - lzcntw 2(%rsp), %cx 56 57 # CHECK: Timeline view: 58 # CHECK-NEXT: 0123456789 0 59 # CHECK-NEXT: Index 0123456789 0123456789 60 61 # CHECK: [0,0] DeeeER . . . . . imull %edx, %ecx 62 # CHECK-NEXT: [0,1] DeeeeeeER . . . . . lzcntw (%rsp), %cx 63 # CHECK-NEXT: [0,2] .DeeeeeeER. . . . . lzcntw 2(%rsp), %cx 64 # CHECK-NEXT: [1,0] .D======eeeER . . . . imull %edx, %ecx 65 # CHECK-NEXT: [1,1] . D=====eeeeeeER . . . lzcntw (%rsp), %cx 66 # CHECK-NEXT: [1,2] . D======eeeeeeER . . . lzcntw 2(%rsp), %cx 67 # CHECK-NEXT: [2,0] . D===========eeeER. . . imull %edx, %ecx 68 # CHECK-NEXT: [2,1] . D===========eeeeeeER . . lzcntw (%rsp), %cx 69 # CHECK-NEXT: [2,2] . D===========eeeeeeER . . lzcntw 2(%rsp), %cx 70 # CHECK-NEXT: [3,0] . D=================eeeER . imull %edx, %ecx 71 # CHECK-NEXT: [3,1] . D================eeeeeeER. lzcntw (%rsp), %cx 72 # CHECK-NEXT: [3,2] . D=================eeeeeeER lzcntw 2(%rsp), %cx 73 74 # CHECK: Average Wait times (based on the timeline view): 75 # CHECK-NEXT: [0]: Executions 76 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 77 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 78 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 79 80 # CHECK: [0] [1] [2] [3] 81 # CHECK-NEXT: 0. 4 9.5 0.3 0.0 imull %edx, %ecx 82 # CHECK-NEXT: 1. 4 9.0 0.0 0.0 lzcntw (%rsp), %cx 83 # CHECK-NEXT: 2. 4 9.5 0.0 0.0 lzcntw 2(%rsp), %cx 84
