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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=btver2 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s3 4# perf stat reports a throughput of 1.00 IPC for this code snippet.5 6lzcnt %ax, %bx ## partial register stall.7 8# CHECK: Iterations: 15009# CHECK-NEXT: Instructions: 150010# CHECK-NEXT: Total Cycles: 150311# CHECK-NEXT: Total uOps: 150012 13# CHECK: Dispatch Width: 214# CHECK-NEXT: uOps Per Cycle: 1.0015# CHECK-NEXT: IPC: 1.0016# CHECK-NEXT: Block RThroughput: 0.517 18# CHECK: Instruction Info:19# CHECK-NEXT: [1]: #uOps20# CHECK-NEXT: [2]: Latency21# CHECK-NEXT: [3]: RThroughput22# CHECK-NEXT: [4]: MayLoad23# CHECK-NEXT: [5]: MayStore24# CHECK-NEXT: [6]: HasSideEffects (U)25 26# CHECK: [1] [2] [3] [4] [5] [6] Instructions:27# CHECK-NEXT: 1 1 0.50 lzcntw %ax, %bx28 29# CHECK: Resources:30# CHECK-NEXT: [0] - JALU031# CHECK-NEXT: [1] - JALU132# CHECK-NEXT: [2] - JDiv33# CHECK-NEXT: [3] - JFPA34# CHECK-NEXT: [4] - JFPM35# CHECK-NEXT: [5] - JFPU036# CHECK-NEXT: [6] - JFPU137# CHECK-NEXT: [7] - JLAGU38# CHECK-NEXT: [8] - JMul39# CHECK-NEXT: [9] - JSAGU40# CHECK-NEXT: [10] - JSTC41# CHECK-NEXT: [11] - JVALU042# CHECK-NEXT: [12] - JVALU143# CHECK-NEXT: [13] - JVIMUL44 45# CHECK: Resource pressure per iteration:46# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]47# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - -48 49# CHECK: Resource pressure by instruction:50# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:51# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - lzcntw %ax, %bx52 53# CHECK: Timeline view:54# CHECK-NEXT: Index 01234555 56# CHECK: [0,0] DeER . lzcntw %ax, %bx57# CHECK-NEXT: [1,0] D=eER. lzcntw %ax, %bx58# CHECK-NEXT: [2,0] .D=eER lzcntw %ax, %bx59 60# CHECK: Average Wait times (based on the timeline view):61# CHECK-NEXT: [0]: Executions62# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue63# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready64# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage65 66# CHECK: [0] [1] [2] [3]67# CHECK-NEXT: 0. 3 1.7 0.3 0.0 lzcntw %ax, %bx68