1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver3 -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: 9003 16# CHECK-NEXT: Total uOps: 4500 17 18# CHECK: Dispatch Width: 6 19# CHECK-NEXT: uOps Per Cycle: 0.50 20# CHECK-NEXT: IPC: 0.50 21# CHECK-NEXT: Block RThroughput: 1.0 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: 1 5 0.33 * lzcntw (%rsp), %cx 34# CHECK-NEXT: 1 5 0.33 * lzcntw 2(%rsp), %cx 35 36# CHECK: Resources: 37# CHECK-NEXT: [0] - Zn3AGU0 38# CHECK-NEXT: [1] - Zn3AGU1 39# CHECK-NEXT: [2] - Zn3AGU2 40# CHECK-NEXT: [3] - Zn3ALU0 41# CHECK-NEXT: [4] - Zn3ALU1 42# CHECK-NEXT: [5] - Zn3ALU2 43# CHECK-NEXT: [6] - Zn3ALU3 44# CHECK-NEXT: [7] - Zn3BRU1 45# CHECK-NEXT: [8] - Zn3FP0 46# CHECK-NEXT: [9] - Zn3FP1 47# CHECK-NEXT: [10] - Zn3FP2 48# CHECK-NEXT: [11] - Zn3FP3 49# CHECK-NEXT: [12.0] - Zn3FP45 50# CHECK-NEXT: [12.1] - Zn3FP45 51# CHECK-NEXT: [13] - Zn3FPSt 52# CHECK-NEXT: [14.0] - Zn3LSU 53# CHECK-NEXT: [14.1] - Zn3LSU 54# CHECK-NEXT: [14.2] - Zn3LSU 55# CHECK-NEXT: [15.0] - Zn3Load 56# CHECK-NEXT: [15.1] - Zn3Load 57# CHECK-NEXT: [15.2] - Zn3Load 58# CHECK-NEXT: [16.0] - Zn3Store 59# CHECK-NEXT: [16.1] - Zn3Store 60 61# CHECK: Resource pressure per iteration: 62# 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] 63# 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 - - 64 65# CHECK: Resource pressure by instruction: 66# 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: 67# CHECK-NEXT: - - - - 1.00 - - - - - - - - - - - - - - - - - - imull %edx, %ecx 68# 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 69# 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 70 71# CHECK: Timeline view: 72# CHECK-NEXT: 0123456789 73# CHECK-NEXT: Index 0123456789 0123456 74 75# CHECK: [0,0] DeeeER . . . .. imull %edx, %ecx 76# CHECK-NEXT: [0,1] DeeeeeER . . . .. lzcntw (%rsp), %cx 77# CHECK-NEXT: [0,2] D=eeeeeER . . . .. lzcntw 2(%rsp), %cx 78# CHECK-NEXT: [1,0] D======eeeER . . .. imull %edx, %ecx 79# CHECK-NEXT: [1,1] D======eeeeeER . . .. lzcntw (%rsp), %cx 80# CHECK-NEXT: [1,2] D=======eeeeeER. . .. lzcntw 2(%rsp), %cx 81# CHECK-NEXT: [2,0] .D===========eeeER . .. imull %edx, %ecx 82# CHECK-NEXT: [2,1] .D===========eeeeeER. .. lzcntw (%rsp), %cx 83# CHECK-NEXT: [2,2] .D============eeeeeER .. lzcntw 2(%rsp), %cx 84# CHECK-NEXT: [3,0] .D=================eeeER .. imull %edx, %ecx 85# CHECK-NEXT: [3,1] .D=================eeeeeER. lzcntw (%rsp), %cx 86# CHECK-NEXT: [3,2] .D==================eeeeeER lzcntw 2(%rsp), %cx 87 88# CHECK: Average Wait times (based on the timeline view): 89# CHECK-NEXT: [0]: Executions 90# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 91# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 92# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 93 94# CHECK: [0] [1] [2] [3] 95# CHECK-NEXT: 0. 4 9.5 0.3 0.0 imull %edx, %ecx 96# CHECK-NEXT: 1. 4 9.5 0.0 0.0 lzcntw (%rsp), %cx 97# CHECK-NEXT: 2. 4 10.5 0.0 0.0 lzcntw 2(%rsp), %cx 98# CHECK-NEXT: 4 9.8 0.1 0.0 <total> 99