dependency-breaking-pcmpgt.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=x86-64 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s
# All of the vector packed compares from this test are zero idioms. These zero
# idioms are all detected and removed by the register renamer. That means, no
# uOp is executed, and there is no RAW dependency for any of the packed
# compares.
pcmpgtb %mm0, %mm0
pcmpgtd %mm0, %mm0
pcmpgtw %mm0, %mm0
pcmpgtb %xmm0, %xmm0
pcmpgtd %xmm0, %xmm0
pcmpgtq %xmm0, %xmm0
pcmpgtw %xmm0, %xmm0
# CHECK: Iterations: 1500
# CHECK-NEXT: Instructions: 10500
# CHECK-NEXT: Total Cycles: 13503
# CHECK-NEXT: Total uOps: 10500
# CHECK: Dispatch Width: 4
# CHECK-NEXT: uOps Per Cycle: 0.78
# CHECK-NEXT: IPC: 0.78
# CHECK-NEXT: Block RThroughput: 3.0
# 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 3 1.00 pcmpgtb %mm0, %mm0
# CHECK-NEXT: 1 3 1.00 pcmpgtd %mm0, %mm0
# CHECK-NEXT: 1 3 1.00 pcmpgtw %mm0, %mm0
# CHECK-NEXT: 1 0 0.25 pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: 1 0 0.25 pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: 1 0 0.25 pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: 1 0 0.25 pcmpgtw %xmm0, %xmm0
# CHECK: Resources:
# CHECK-NEXT: [0] - SBDivider
# CHECK-NEXT: [1] - SBFPDivider
# CHECK-NEXT: [2] - SBPort0
# CHECK-NEXT: [3] - SBPort1
# CHECK-NEXT: [4] - SBPort4
# CHECK-NEXT: [5] - SBPort5
# CHECK-NEXT: [6.0] - SBPort23
# CHECK-NEXT: [6.1] - SBPort23
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
# CHECK-NEXT: - - - 3.00 - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
# CHECK-NEXT: - - - 1.00 - - - - pcmpgtb %mm0, %mm0
# CHECK-NEXT: - - - 1.00 - - - - pcmpgtd %mm0, %mm0
# CHECK-NEXT: - - - 1.00 - - - - pcmpgtw %mm0, %mm0
# CHECK-NEXT: - - - - - - - - pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: - - - - - - - - pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: - - - - - - - - pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: - - - - - - - - pcmpgtw %xmm0, %xmm0
# CHECK: Timeline view:
# CHECK-NEXT: 0123456789
# CHECK-NEXT: Index 0123456789 0123456789
# CHECK: [0,0] DeeeER . . . . . pcmpgtb %mm0, %mm0
# CHECK-NEXT: [0,1] D===eeeER . . . . . pcmpgtd %mm0, %mm0
# CHECK-NEXT: [0,2] D======eeeER . . . . pcmpgtw %mm0, %mm0
# CHECK-NEXT: [0,3] D----------R . . . . pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: [0,4] .D---------R . . . . pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: [0,5] .D---------R . . . . pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: [0,6] .D---------R . . . . pcmpgtw %xmm0, %xmm0
# CHECK-NEXT: [1,0] .D========eeeER. . . . pcmpgtb %mm0, %mm0
# CHECK-NEXT: [1,1] . D==========eeeER . . . pcmpgtd %mm0, %mm0
# CHECK-NEXT: [1,2] . D=============eeeER . . pcmpgtw %mm0, %mm0
# CHECK-NEXT: [1,3] . D-----------------R . . pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: [1,4] . D-----------------R . . pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: [1,5] . D----------------R . . pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: [1,6] . D----------------R . . pcmpgtw %xmm0, %xmm0
# CHECK-NEXT: [2,0] . D===============eeeER . . pcmpgtb %mm0, %mm0
# CHECK-NEXT: [2,1] . D==================eeeER . pcmpgtd %mm0, %mm0
# CHECK-NEXT: [2,2] . D====================eeeER pcmpgtw %mm0, %mm0
# CHECK-NEXT: [2,3] . D------------------------R pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: [2,4] . D------------------------R pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: [2,5] . D------------------------R pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: [2,6] . D-----------------------R pcmpgtw %xmm0, %xmm0
# 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. 3 8.7 0.3 0.0 pcmpgtb %mm0, %mm0
# CHECK-NEXT: 1. 3 11.3 0.0 0.0 pcmpgtd %mm0, %mm0
# CHECK-NEXT: 2. 3 14.0 0.0 0.0 pcmpgtw %mm0, %mm0
# CHECK-NEXT: 3. 3 0.0 0.0 17.0 pcmpgtb %xmm0, %xmm0
# CHECK-NEXT: 4. 3 0.0 0.0 16.7 pcmpgtd %xmm0, %xmm0
# CHECK-NEXT: 5. 3 0.0 0.0 16.3 pcmpgtq %xmm0, %xmm0
# CHECK-NEXT: 6. 3 0.0 0.0 16.0 pcmpgtw %xmm0, %xmm0
# CHECK-NEXT: 3 4.9 0.0 9.4 <total>