one-idioms.s
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# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=1 -register-file-stats < %s | FileCheck %s
# These are dependency-breaking one-idioms.
# Much like zero-idioms, but they produce ones, and do consume resources.
# perf stats reports a throughput of 2.00 IPC.
pcmpeqb %mm2, %mm2
pcmpeqd %mm2, %mm2
pcmpeqw %mm2, %mm2
pcmpeqb %xmm2, %xmm2
pcmpeqd %xmm2, %xmm2
pcmpeqq %xmm2, %xmm2
pcmpeqw %xmm2, %xmm2
vpcmpeqb %xmm3, %xmm3, %xmm3
vpcmpeqd %xmm3, %xmm3, %xmm3
vpcmpeqq %xmm3, %xmm3, %xmm3
vpcmpeqw %xmm3, %xmm3, %xmm3
vpcmpeqb %xmm3, %xmm3, %xmm5
vpcmpeqd %xmm3, %xmm3, %xmm5
vpcmpeqq %xmm3, %xmm3, %xmm5
vpcmpeqw %xmm3, %xmm3, %xmm5
# FIXME: their handling is broken in llvm-mca.
# CHECK: Iterations: 100
# CHECK-NEXT: Instructions: 1500
# CHECK-NEXT: Total Cycles: 753
# CHECK-NEXT: Total uOps: 1500
# CHECK: Dispatch Width: 2
# CHECK-NEXT: uOps Per Cycle: 1.99
# CHECK-NEXT: IPC: 1.99
# CHECK-NEXT: Block RThroughput: 7.5
# CHECK: Instruction Info:
# CHECK-NEXT: [1]: #uOps
# CHECK-NEXT: [2]: Latency
# CHECK-NEXT: [3]: RThroughput
# CHECK-NEXT: [4]: MayLoad
# CHECK-NEXT: [5]: MayStore
# CHECK-NEXT: [6]: HasSideEffects (U)
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 1 1 0.50 pcmpeqb %mm2, %mm2
# CHECK-NEXT: 1 1 0.50 pcmpeqd %mm2, %mm2
# CHECK-NEXT: 1 1 0.50 pcmpeqw %mm2, %mm2
# CHECK-NEXT: 1 1 0.50 pcmpeqb %xmm2, %xmm2
# CHECK-NEXT: 1 1 0.50 pcmpeqd %xmm2, %xmm2
# CHECK-NEXT: 1 1 0.50 pcmpeqq %xmm2, %xmm2
# CHECK-NEXT: 1 1 0.50 pcmpeqw %xmm2, %xmm2
# CHECK-NEXT: 1 1 0.50 vpcmpeqb %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 1 1 0.50 vpcmpeqd %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 1 1 0.50 vpcmpeqq %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 1 1 0.50 vpcmpeqw %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 1 1 0.50 vpcmpeqb %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 1 1 0.50 vpcmpeqd %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 1 1 0.50 vpcmpeqq %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 1 1 0.50 vpcmpeqw %xmm3, %xmm3, %xmm5
# CHECK: Register File statistics:
# CHECK-NEXT: Total number of mappings created: 1500
# CHECK-NEXT: Max number of mappings used: 6
# CHECK: * Register File #1 -- JFpuPRF:
# CHECK-NEXT: Number of physical registers: 72
# CHECK-NEXT: Total number of mappings created: 1500
# CHECK-NEXT: Max number of mappings used: 6
# CHECK: * Register File #2 -- JIntegerPRF:
# CHECK-NEXT: Number of physical registers: 64
# CHECK-NEXT: Total number of mappings created: 0
# CHECK-NEXT: Max number of mappings used: 0
# CHECK: Resources:
# CHECK-NEXT: [0] - JALU0
# CHECK-NEXT: [1] - JALU1
# CHECK-NEXT: [2] - JDiv
# CHECK-NEXT: [3] - JFPA
# CHECK-NEXT: [4] - JFPM
# CHECK-NEXT: [5] - JFPU0
# CHECK-NEXT: [6] - JFPU1
# CHECK-NEXT: [7] - JLAGU
# CHECK-NEXT: [8] - JMul
# CHECK-NEXT: [9] - JSAGU
# CHECK-NEXT: [10] - JSTC
# CHECK-NEXT: [11] - JVALU0
# CHECK-NEXT: [12] - JVALU1
# CHECK-NEXT: [13] - JVIMUL
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]
# CHECK-NEXT: - - - - - 7.50 7.50 - - - - 7.50 7.50 -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqb %mm2, %mm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqd %mm2, %mm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqw %mm2, %mm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqb %xmm2, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqd %xmm2, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqq %xmm2, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - pcmpeqw %xmm2, %xmm2
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqb %xmm3, %xmm3, %xmm3
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqd %xmm3, %xmm3, %xmm3
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqq %xmm3, %xmm3, %xmm3
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqw %xmm3, %xmm3, %xmm3
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqb %xmm3, %xmm3, %xmm5
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqd %xmm3, %xmm3, %xmm5
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqq %xmm3, %xmm3, %xmm5
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - 0.50 0.50 - vpcmpeqw %xmm3, %xmm3, %xmm5
# CHECK: Timeline view:
# CHECK-NEXT: 0
# CHECK-NEXT: Index 0123456789
# CHECK: [0,0] DeER . . pcmpeqb %mm2, %mm2
# CHECK-NEXT: [0,1] DeER . . pcmpeqd %mm2, %mm2
# CHECK-NEXT: [0,2] .DeER. . pcmpeqw %mm2, %mm2
# CHECK-NEXT: [0,3] .DeER. . pcmpeqb %xmm2, %xmm2
# CHECK-NEXT: [0,4] . DeER . pcmpeqd %xmm2, %xmm2
# CHECK-NEXT: [0,5] . DeER . pcmpeqq %xmm2, %xmm2
# CHECK-NEXT: [0,6] . DeER . pcmpeqw %xmm2, %xmm2
# CHECK-NEXT: [0,7] . DeER . vpcmpeqb %xmm3, %xmm3, %xmm3
# CHECK-NEXT: [0,8] . DeER . vpcmpeqd %xmm3, %xmm3, %xmm3
# CHECK-NEXT: [0,9] . DeER . vpcmpeqq %xmm3, %xmm3, %xmm3
# CHECK-NEXT: [0,10] . DeER . vpcmpeqw %xmm3, %xmm3, %xmm3
# CHECK-NEXT: [0,11] . DeER . vpcmpeqb %xmm3, %xmm3, %xmm5
# CHECK-NEXT: [0,12] . .DeER. vpcmpeqd %xmm3, %xmm3, %xmm5
# CHECK-NEXT: [0,13] . .DeER. vpcmpeqq %xmm3, %xmm3, %xmm5
# CHECK-NEXT: [0,14] . . DeER vpcmpeqw %xmm3, %xmm3, %xmm5
# CHECK: Average Wait times (based on the timeline view):
# CHECK-NEXT: [0]: Executions
# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
# CHECK: [0] [1] [2] [3]
# CHECK-NEXT: 0. 1 1.0 1.0 0.0 pcmpeqb %mm2, %mm2
# CHECK-NEXT: 1. 1 1.0 1.0 0.0 pcmpeqd %mm2, %mm2
# CHECK-NEXT: 2. 1 1.0 1.0 0.0 pcmpeqw %mm2, %mm2
# CHECK-NEXT: 3. 1 1.0 1.0 0.0 pcmpeqb %xmm2, %xmm2
# CHECK-NEXT: 4. 1 1.0 1.0 0.0 pcmpeqd %xmm2, %xmm2
# CHECK-NEXT: 5. 1 1.0 1.0 0.0 pcmpeqq %xmm2, %xmm2
# CHECK-NEXT: 6. 1 1.0 1.0 0.0 pcmpeqw %xmm2, %xmm2
# CHECK-NEXT: 7. 1 1.0 1.0 0.0 vpcmpeqb %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 8. 1 1.0 1.0 0.0 vpcmpeqd %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 9. 1 1.0 1.0 0.0 vpcmpeqq %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 10. 1 1.0 1.0 0.0 vpcmpeqw %xmm3, %xmm3, %xmm3
# CHECK-NEXT: 11. 1 1.0 1.0 0.0 vpcmpeqb %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 12. 1 1.0 1.0 0.0 vpcmpeqd %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 13. 1 1.0 1.0 0.0 vpcmpeqq %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 14. 1 1.0 1.0 0.0 vpcmpeqw %xmm3, %xmm3, %xmm5
# CHECK-NEXT: 1 1.0 1.0 0.0 <total>