1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -iterations=1500 -timeline -timeline-max-iterations=3 < %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: 4510 16# CHECK-NEXT: Total uOps: 7500 17 18# CHECK: Dispatch Width: 4 19# CHECK-NEXT: uOps Per Cycle: 1.66 20# CHECK-NEXT: IPC: 1.00 21# CHECK-NEXT: Block RThroughput: 3.0 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: 2 8 1.00 * lzcntw (%rsp), %cx 34# CHECK-NEXT: 2 8 1.00 * lzcntw 2(%rsp), %cx 35 36# CHECK: Resources: 37# CHECK-NEXT: [0] - SBDivider 38# CHECK-NEXT: [1] - SBFPDivider 39# CHECK-NEXT: [2] - SBPort0 40# CHECK-NEXT: [3] - SBPort1 41# CHECK-NEXT: [4] - SBPort4 42# CHECK-NEXT: [5] - SBPort5 43# CHECK-NEXT: [6.0] - SBPort23 44# CHECK-NEXT: [6.1] - SBPort23 45 46# CHECK: Resource pressure per iteration: 47# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] 48# CHECK-NEXT: - - - 3.00 - - 1.00 1.00 49 50# CHECK: Resource pressure by instruction: 51# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions: 52# CHECK-NEXT: - - - 1.00 - - - - imull %edx, %ecx 53# CHECK-NEXT: - - - 1.00 - - - 1.00 lzcntw (%rsp), %cx 54# CHECK-NEXT: - - - 1.00 - - 1.00 - lzcntw 2(%rsp), %cx 55 56# CHECK: Timeline view: 57# CHECK-NEXT: 012345678 58# CHECK-NEXT: Index 0123456789 59 60# CHECK: [0,0] DeeeER . . . imull %edx, %ecx 61# CHECK-NEXT: [0,1] D=eeeeeeeeER . . lzcntw (%rsp), %cx 62# CHECK-NEXT: [0,2] .D=eeeeeeeeER . . lzcntw 2(%rsp), %cx 63# CHECK-NEXT: [1,0] .D=========eeeER . imull %edx, %ecx 64# CHECK-NEXT: [1,1] . D=eeeeeeeeE--R . lzcntw (%rsp), %cx 65# CHECK-NEXT: [1,2] . D==eeeeeeeeE-R . lzcntw 2(%rsp), %cx 66# CHECK-NEXT: [2,0] . D==========eeeER imull %edx, %ecx 67# CHECK-NEXT: [2,1] . D==eeeeeeeeE---R lzcntw (%rsp), %cx 68# CHECK-NEXT: [2,2] . D==eeeeeeeeE--R lzcntw 2(%rsp), %cx 69 70# CHECK: Average Wait times (based on the timeline view): 71# CHECK-NEXT: [0]: Executions 72# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 73# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 74# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 75 76# CHECK: [0] [1] [2] [3] 77# CHECK-NEXT: 0. 3 7.3 0.3 0.0 imull %edx, %ecx 78# CHECK-NEXT: 1. 3 2.3 2.3 1.7 lzcntw (%rsp), %cx 79# CHECK-NEXT: 2. 3 2.7 2.7 1.0 lzcntw 2(%rsp), %cx 80# CHECK-NEXT: 3 4.1 1.8 0.9 <total> 81