1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py 2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s 3 4# Perf stat reports an IPC of 1.97 for this block of code. 5 6# The CMP instruction doesn't depend on the value of EAX. It can set the flags 7# without having to read the inputs. 8 9cmp %eax, %eax 10cmovae %ebx, %eax 11 12# CHECK: Iterations: 1500 13# CHECK-NEXT: Instructions: 3000 14# CHECK-NEXT: Total Cycles: 1504 15# CHECK-NEXT: Total uOps: 3000 16 17# CHECK: Dispatch Width: 2 18# CHECK-NEXT: uOps Per Cycle: 1.99 19# CHECK-NEXT: IPC: 1.99 20# CHECK-NEXT: Block RThroughput: 1.0 21 22# CHECK: Instruction Info: 23# CHECK-NEXT: [1]: #uOps 24# CHECK-NEXT: [2]: Latency 25# CHECK-NEXT: [3]: RThroughput 26# CHECK-NEXT: [4]: MayLoad 27# CHECK-NEXT: [5]: MayStore 28# CHECK-NEXT: [6]: HasSideEffects (U) 29 30# CHECK: [1] [2] [3] [4] [5] [6] Instructions: 31# CHECK-NEXT: 1 1 0.50 cmpl %eax, %eax 32# CHECK-NEXT: 1 1 0.50 cmovael %ebx, %eax 33 34# CHECK: Resources: 35# CHECK-NEXT: [0] - JALU0 36# CHECK-NEXT: [1] - JALU1 37# CHECK-NEXT: [2] - JDiv 38# CHECK-NEXT: [3] - JFPA 39# CHECK-NEXT: [4] - JFPM 40# CHECK-NEXT: [5] - JFPU0 41# CHECK-NEXT: [6] - JFPU1 42# CHECK-NEXT: [7] - JLAGU 43# CHECK-NEXT: [8] - JMul 44# CHECK-NEXT: [9] - JSAGU 45# CHECK-NEXT: [10] - JSTC 46# CHECK-NEXT: [11] - JVALU0 47# CHECK-NEXT: [12] - JVALU1 48# CHECK-NEXT: [13] - JVIMUL 49 50# CHECK: Resource pressure per iteration: 51# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] 52# CHECK-NEXT: 1.00 1.00 - - - - - - - - - - - - 53 54# CHECK: Resource pressure by instruction: 55# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions: 56# CHECK-NEXT: - 1.00 - - - - - - - - - - - - cmpl %eax, %eax 57# CHECK-NEXT: 1.00 - - - - - - - - - - - - - cmovael %ebx, %eax 58 59# CHECK: Timeline view: 60# CHECK-NEXT: Index 0123456 61 62# CHECK: [0,0] DeER .. cmpl %eax, %eax 63# CHECK-NEXT: [0,1] D=eER.. cmovael %ebx, %eax 64# CHECK-NEXT: [1,0] .DeER.. cmpl %eax, %eax 65# CHECK-NEXT: [1,1] .D=eER. cmovael %ebx, %eax 66# CHECK-NEXT: [2,0] . DeER. cmpl %eax, %eax 67# CHECK-NEXT: [2,1] . D=eER cmovael %ebx, %eax 68 69# CHECK: Average Wait times (based on the timeline view): 70# CHECK-NEXT: [0]: Executions 71# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue 72# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready 73# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage 74 75# CHECK: [0] [1] [2] [3] 76# CHECK-NEXT: 0. 3 1.0 1.0 0.0 cmpl %eax, %eax 77# CHECK-NEXT: 1. 3 2.0 0.0 0.0 cmovael %ebx, %eax 78# CHECK-NEXT: 3 1.5 0.5 0.0 <total> 79