1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s 3 4# perf stat reports a throughput of 1.00 IPC for this code snippet. 5 6# The ILP is limited by the false dependency on %dx. So, the mov cannot execute 7# in parallel with the add. 8 9add %cx, %dx 10mov %ax, %dx 11xor %bx, %dx 12 13# CHECK: Iterations: 1500 14# CHECK-NEXT: Instructions: 4500 15# CHECK-NEXT: Total Cycles: 4503 16# CHECK-NEXT: Total uOps: 4500 17 18# CHECK: Dispatch Width: 4 19# CHECK-NEXT: uOps Per Cycle: 1.00 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 1 1.00 addw %cx, %dx 33# CHECK-NEXT: 1 1 1.00 movw %ax, %dx 34# CHECK-NEXT: 1 1 1.00 xorw %bx, %dx 35 36# CHECK: Resources: 37# CHECK-NEXT: [0.0] - PdAGLU01 38# CHECK-NEXT: [0.1] - PdAGLU01 39# CHECK-NEXT: [1] - PdBranch 40# CHECK-NEXT: [2] - PdCount 41# CHECK-NEXT: [3] - PdDiv 42# CHECK-NEXT: [4] - PdEX0 43# CHECK-NEXT: [5] - PdEX1 44# CHECK-NEXT: [6] - PdFPCVT 45# CHECK-NEXT: [7.0] - PdFPFMA 46# CHECK-NEXT: [7.1] - PdFPFMA 47# CHECK-NEXT: [8.0] - PdFPMAL 48# CHECK-NEXT: [8.1] - PdFPMAL 49# CHECK-NEXT: [9] - PdFPMMA 50# CHECK-NEXT: [10] - PdFPSTO 51# CHECK-NEXT: [11] - PdFPU0 52# CHECK-NEXT: [12] - PdFPU1 53# CHECK-NEXT: [13] - PdFPU2 54# CHECK-NEXT: [14] - PdFPU3 55# CHECK-NEXT: [15] - PdFPXBR 56# CHECK-NEXT: [16.0] - PdLoad 57# CHECK-NEXT: [16.1] - PdLoad 58# CHECK-NEXT: [17] - PdMul 59# CHECK-NEXT: [18] - PdStore 60 61# CHECK: Resource pressure per iteration: 62# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18] 63# CHECK-NEXT: - - - - - 3.00 3.00 - - - - - - - - - - - - - - - - 64 65# CHECK: Resource pressure by instruction: 66# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18] Instructions: 67# CHECK-NEXT: - - - - - 1.00 1.00 - - - - - - - - - - - - - - - - addw %cx, %dx 68# CHECK-NEXT: - - - - - 1.00 1.00 - - - - - - - - - - - - - - - - movw %ax, %dx 69# CHECK-NEXT: - - - - - 1.00 1.00 - - - - - - - - - - - - - - - - xorw %bx, %dx 70 71# CHECK: Timeline view: 72# CHECK-NEXT: 01 73# CHECK-NEXT: Index 0123456789 74 75# CHECK: [0,0] DeER . .. addw %cx, %dx 76# CHECK-NEXT: [0,1] D=eER. .. movw %ax, %dx 77# CHECK-NEXT: [0,2] D==eER .. xorw %bx, %dx 78# CHECK-NEXT: [1,0] D===eER .. addw %cx, %dx 79# CHECK-NEXT: [1,1] .D===eER .. movw %ax, %dx 80# CHECK-NEXT: [1,2] .D====eER .. xorw %bx, %dx 81# CHECK-NEXT: [2,0] .D=====eER.. addw %cx, %dx 82# CHECK-NEXT: [2,1] .D======eER. movw %ax, %dx 83# CHECK-NEXT: [2,2] . D======eER xorw %bx, %dx 84 85# CHECK: Average Wait times (based on the timeline view): 86# CHECK-NEXT: [0]: Executions 87# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 88# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 89# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 90 91# CHECK: [0] [1] [2] [3] 92# CHECK-NEXT: 0. 3 3.7 0.3 0.0 addw %cx, %dx 93# CHECK-NEXT: 1. 3 4.3 0.0 0.0 movw %ax, %dx 94# CHECK-NEXT: 2. 3 5.0 0.0 0.0 xorw %bx, %dx 95# CHECK-NEXT: 3 4.3 0.1 0.0 <total> 96