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1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s3 4# Although both SBB are dependency breaking instructions, there is still an5# implicit dependency on EFLAGS which limits the ILP. So, the hardware backend6# can only execute one instruction per cycle.7 8sbb %edx, %edx9sbb %eax, %eax10 11# CHECK: Iterations: 150012# CHECK-NEXT: Instructions: 300013# CHECK-NEXT: Total Cycles: 600314# CHECK-NEXT: Total uOps: 600015 16# CHECK: Dispatch Width: 417# CHECK-NEXT: uOps Per Cycle: 1.0018# CHECK-NEXT: IPC: 0.5019# CHECK-NEXT: Block RThroughput: 1.020 21# CHECK: Instruction Info:22# CHECK-NEXT: [1]: #uOps23# CHECK-NEXT: [2]: Latency24# CHECK-NEXT: [3]: RThroughput25# CHECK-NEXT: [4]: MayLoad26# CHECK-NEXT: [5]: MayStore27# CHECK-NEXT: [6]: HasSideEffects (U)28 29# CHECK: [1] [2] [3] [4] [5] [6] Instructions:30# CHECK-NEXT: 2 2 0.67 sbbl %edx, %edx31# CHECK-NEXT: 2 2 0.67 sbbl %eax, %eax32 33# CHECK: Resources:34# CHECK-NEXT: [0] - SBDivider35# CHECK-NEXT: [1] - SBFPDivider36# CHECK-NEXT: [2] - SBPort037# CHECK-NEXT: [3] - SBPort138# CHECK-NEXT: [4] - SBPort439# CHECK-NEXT: [5] - SBPort540# CHECK-NEXT: [6.0] - SBPort2341# CHECK-NEXT: [6.1] - SBPort2342 43# CHECK: Resource pressure per iteration:44# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]45# CHECK-NEXT: - - 1.33 1.33 - 1.33 - -46 47# CHECK: Resource pressure by instruction:48# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:49# CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %edx, %edx50# CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %eax, %eax51 52# CHECK: Timeline view:53# CHECK-NEXT: 0123454# CHECK-NEXT: Index 012345678955 56# CHECK: [0,0] DeeER. . . sbbl %edx, %edx57# CHECK-NEXT: [0,1] D==eeER . . sbbl %eax, %eax58# CHECK-NEXT: [1,0] .D===eeER . . sbbl %edx, %edx59# CHECK-NEXT: [1,1] .D=====eeER . sbbl %eax, %eax60# CHECK-NEXT: [2,0] . D======eeER . sbbl %edx, %edx61# CHECK-NEXT: [2,1] . D========eeER sbbl %eax, %eax62 63# CHECK: Average Wait times (based on the timeline view):64# CHECK-NEXT: [0]: Executions65# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue66# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready67# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage68 69# CHECK: [0] [1] [2] [3]70# CHECK-NEXT: 0. 3 4.0 0.3 0.0 sbbl %edx, %edx71# CHECK-NEXT: 1. 3 6.0 0.0 0.0 sbbl %eax, %eax72# CHECK-NEXT: 3 5.0 0.2 0.0 <total>73