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[X86][Btver2] Add test to show timeline of fpu instructions on different pipes/units 

Try to demonstrate the scheduling from fpu0/fpu1 pipes to the valu0/vimul/fpa or valu1/stc/fpm functional units

llvm-svn: 327676
This commit is contained in:
Simon Pilgrim 2018-03-15 22:34:24 +00:00
parent edbcbe0b62
commit 49a56faee2
1 changed files with 114 additions and 0 deletions
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114
llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s Normal file
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# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=2 < %s | FileCheck %s
# VALU0/VALU1
vpmulld %xmm0, %xmm1, %xmm2
vpand %xmm0, %xmm1, %xmm2
# VIMUL/STC
vcvttps2dq %xmm0, %xmm1
vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# FPA/FPM
vaddps %xmm0, %xmm1, %xmm2
vsqrtps %xmm0, %xmm1
# FPA/FPM YMM
vaddps %ymm0, %ymm1, %ymm2
vsqrtps %ymm0, %ymm1
# CHECK: Iterations: 70
# CHECK-NEXT: Instructions: 560
# CHECK-NEXT: Total Cycles: 3155
# CHECK-NEXT: Dispatch Width: 2
# CHECK-NEXT: IPC: 0.18
# 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
# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
# CHECK-NEXT: 1 2 1.00 vpmulld %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 1 1 0.50 vpand %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 1 3 1.00 vcvttps2dq %xmm0, %xmm1
# CHECK-NEXT: 1 2 1.00 vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 1 3 1.00 vaddps %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 1 21 21.00 vsqrtps %xmm0, %xmm1
# CHECK-NEXT: 1 3 2.00 vaddps %ymm0, %ymm1, %ymm2
# CHECK-NEXT: 1 42 42.00 vsqrtps %ymm0, %ymm1
# 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: - - - - 21.00 5.00 45.00 - - - - - - 1.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
# CHECK-NEXT: - - - - - 1.00 - - - - - - - - vpmulld %xmm0, %xmm1, %xmm2
# CHECK-NEXT: - - - - - - 1.00 - - - - - - - vpand %xmm0, %xmm1, %xmm2
# CHECK-NEXT: - - - - - - 1.00 - - - - - - - vcvttps2dq %xmm0, %xmm1
# CHECK-NEXT: - - - - - 1.00 - - - - - - - 1.00 vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# CHECK-NEXT: - - - - - 1.00 - - - - - - - - vaddps %xmm0, %xmm1, %xmm2
# CHECK-NEXT: - - - - 21.00 - 1.00 - - - - - - - vsqrtps %xmm0, %xmm1
# CHECK-NEXT: - - - - - 2.00 - - - - - - - - vaddps %ymm0, %ymm1, %ymm2
# CHECK-NEXT: - - - - - - 42.00 - - - - - - - vsqrtps %ymm0, %ymm1
# CHECK: Timeline view:
# CHECK-NEXT: 0123456789 0123456789 0123456789 0
# CHECK-NEXT: Index 0123456789 0123456789 0123456789 0123456789
# CHECK: [0,0] DeeER. . . . . . . . . . . . . . vpmulld %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [0,1] DeE-R. . . . . . . . . . . . . . vpand %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [0,2] .DeeeER . . . . . . . . . . . . . vcvttps2dq %xmm0, %xmm1
# CHECK-NEXT: [0,3] .D===eeER . . . . . . . . . . . . . vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [0,4] . D===eeeER . . . . . . . . . . . . vaddps %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [0,5] . DeeeeeeeeeeeeeeeeeeeeeER . . . . . . . . . vsqrtps %xmm0, %xmm1
# CHECK-NEXT: [0,6] . D====================eeeER . . . . . . . . . vaddps %ymm0, %ymm1, %ymm2
# CHECK-NEXT: [0,7] . DeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeER . . . . . vsqrtps %ymm0, %ymm1
# CHECK: [1,0] . D=========================================eeER. . . . . vpmulld %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [1,1] . D=========================================eE-R. . . . . vpand %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [1,2] . D=========================================eeeER . . . . vcvttps2dq %xmm0, %xmm1
# CHECK-NEXT: [1,3] . D============================================eeER . . . . vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [1,4] . .D============================================eeeER . . . vaddps %xmm0, %xmm1, %xmm2
# CHECK-NEXT: [1,5] . .D=========================================eeeeeeeeeeeeeeeeeeeeeER vsqrtps %xmm0, %xmm1
# 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. 2 21.5 0.5 0.0 vpmulld %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 1. 2 21.5 0.5 1.0 vpand %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 2. 2 21.5 21.5 0.0 vcvttps2dq %xmm0, %xmm1
# CHECK-NEXT: 3. 2 24.5 0.0 0.0 vpclmulqdq $0, %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 4. 2 24.5 1.0 0.0 vaddps %xmm0, %xmm1, %xmm2
# CHECK-NEXT: 5. 2 21.5 21.5 0.0 vsqrtps %xmm0, %xmm1
# CHECK-NEXT: 6. 1 21.0 0.0 0.0 vaddps %ymm0, %ymm1, %ymm2
# CHECK-NEXT: 7. 1 1.0 1.0 0.0 vsqrtps %ymm0, %ymm1