89 lines · plain
1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver2 -iterations=1500 -timeline -timeline-max-iterations=4 < %s | FileCheck %s3 4# Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the5# imul. However, the folded load can start immediately.6# The last lzcnt has a false dependency on %cx. However, even in this case, the7# folded load can start immediately.8 9imul %edx, %ecx10lzcnt (%rsp), %cx11lzcnt 2(%rsp), %cx12 13# CHECK: Iterations: 150014# CHECK-NEXT: Instructions: 450015# CHECK-NEXT: Total Cycles: 900316# CHECK-NEXT: Total uOps: 750017 18# CHECK: Dispatch Width: 419# CHECK-NEXT: uOps Per Cycle: 0.8320# CHECK-NEXT: IPC: 0.5021# CHECK-NEXT: Block RThroughput: 1.322 23# CHECK: Instruction Info:24# CHECK-NEXT: [1]: #uOps25# CHECK-NEXT: [2]: Latency26# CHECK-NEXT: [3]: RThroughput27# CHECK-NEXT: [4]: MayLoad28# CHECK-NEXT: [5]: MayStore29# CHECK-NEXT: [6]: HasSideEffects (U)30 31# CHECK: [1] [2] [3] [4] [5] [6] Instructions:32# CHECK-NEXT: 1 3 1.00 imull %edx, %ecx33# CHECK-NEXT: 2 5 0.33 * lzcntw (%rsp), %cx34# CHECK-NEXT: 2 5 0.33 * lzcntw 2(%rsp), %cx35 36# CHECK: Resources:37# CHECK-NEXT: [0] - Zn2AGU038# CHECK-NEXT: [1] - Zn2AGU139# CHECK-NEXT: [2] - Zn2AGU240# CHECK-NEXT: [3] - Zn2ALU041# CHECK-NEXT: [4] - Zn2ALU142# CHECK-NEXT: [5] - Zn2ALU243# CHECK-NEXT: [6] - Zn2ALU344# CHECK-NEXT: [7] - Zn2Divider45# CHECK-NEXT: [8] - Zn2FPU046# CHECK-NEXT: [9] - Zn2FPU147# CHECK-NEXT: [10] - Zn2FPU248# CHECK-NEXT: [11] - Zn2FPU349# CHECK-NEXT: [12] - Zn2Multiplier50 51# CHECK: Resource pressure per iteration:52# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]53# CHECK-NEXT: 0.67 0.67 0.67 0.67 1.00 0.67 0.67 - - - - - 1.0054 55# CHECK: Resource pressure by instruction:56# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] Instructions:57# CHECK-NEXT: - - - - 1.00 - - - - - - - 1.00 imull %edx, %ecx58# CHECK-NEXT: 0.33 0.33 0.33 0.33 - 0.33 0.33 - - - - - - lzcntw (%rsp), %cx59# CHECK-NEXT: 0.33 0.33 0.33 0.33 - 0.33 0.33 - - - - - - lzcntw 2(%rsp), %cx60 61# CHECK: Timeline view:62# CHECK-NEXT: 012345678963# CHECK-NEXT: Index 0123456789 012345664 65# CHECK: [0,0] DeeeER . . . .. imull %edx, %ecx66# CHECK-NEXT: [0,1] DeeeeeER . . . .. lzcntw (%rsp), %cx67# CHECK-NEXT: [0,2] .DeeeeeER . . . .. lzcntw 2(%rsp), %cx68# CHECK-NEXT: [1,0] .D=====eeeER . . .. imull %edx, %ecx69# CHECK-NEXT: [1,1] . D====eeeeeER . . .. lzcntw (%rsp), %cx70# CHECK-NEXT: [1,2] . D=====eeeeeER. . .. lzcntw 2(%rsp), %cx71# CHECK-NEXT: [2,0] . D=========eeeER . .. imull %edx, %ecx72# CHECK-NEXT: [2,1] . D=========eeeeeER. .. lzcntw (%rsp), %cx73# CHECK-NEXT: [2,2] . D=========eeeeeER .. lzcntw 2(%rsp), %cx74# CHECK-NEXT: [3,0] . D==============eeeER .. imull %edx, %ecx75# CHECK-NEXT: [3,1] . D=============eeeeeER. lzcntw (%rsp), %cx76# CHECK-NEXT: [3,2] . D==============eeeeeER lzcntw 2(%rsp), %cx77 78# CHECK: Average Wait times (based on the timeline view):79# CHECK-NEXT: [0]: Executions80# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue81# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready82# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage83 84# CHECK: [0] [1] [2] [3]85# CHECK-NEXT: 0. 4 8.0 0.3 0.0 imull %edx, %ecx86# CHECK-NEXT: 1. 4 7.5 0.0 0.0 lzcntw (%rsp), %cx87# CHECK-NEXT: 2. 4 8.0 0.0 0.0 lzcntw 2(%rsp), %cx88# CHECK-NEXT: 4 7.8 0.1 0.0 <total>89