81 lines
3.4 KiB
ArmAsm
81 lines
3.4 KiB
ArmAsm
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
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# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
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# Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the
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# imul. However, the folded load can start immediately.
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# The last lzcnt has a false dependency on %cx. However, even in this case, the
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# folded load can start immediately.
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imul %edx, %ecx
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lzcnt (%rsp), %cx
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lzcnt 2(%rsp), %cx
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# CHECK: Iterations: 1500
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# CHECK-NEXT: Instructions: 4500
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# CHECK-NEXT: Total Cycles: 4510
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# CHECK-NEXT: Total uOps: 7500
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# CHECK: Dispatch Width: 4
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# CHECK-NEXT: uOps Per Cycle: 1.66
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# CHECK-NEXT: IPC: 1.00
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# CHECK-NEXT: Block RThroughput: 3.0
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# CHECK: Instruction Info:
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# CHECK-NEXT: [1]: #uOps
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# CHECK-NEXT: [2]: Latency
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# CHECK-NEXT: [3]: RThroughput
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# CHECK-NEXT: [4]: MayLoad
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# CHECK-NEXT: [5]: MayStore
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# CHECK-NEXT: [6]: HasSideEffects (U)
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# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
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# CHECK-NEXT: 1 3 1.00 imull %edx, %ecx
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# CHECK-NEXT: 2 8 1.00 * lzcntw (%rsp), %cx
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# CHECK-NEXT: 2 8 1.00 * lzcntw 2(%rsp), %cx
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# CHECK: Resources:
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# CHECK-NEXT: [0] - SBDivider
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# CHECK-NEXT: [1] - SBFPDivider
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# CHECK-NEXT: [2] - SBPort0
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# CHECK-NEXT: [3] - SBPort1
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# CHECK-NEXT: [4] - SBPort4
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# CHECK-NEXT: [5] - SBPort5
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# CHECK-NEXT: [6.0] - SBPort23
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# CHECK-NEXT: [6.1] - SBPort23
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# CHECK: Resource pressure per iteration:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
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# CHECK-NEXT: - - - 3.00 - - 1.00 1.00
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# CHECK: Resource pressure by instruction:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
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# CHECK-NEXT: - - - 1.00 - - - - imull %edx, %ecx
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# CHECK-NEXT: - - - 1.00 - - - 1.00 lzcntw (%rsp), %cx
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# CHECK-NEXT: - - - 1.00 - - 1.00 - lzcntw 2(%rsp), %cx
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# CHECK: Timeline view:
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# CHECK-NEXT: 012345678
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# CHECK-NEXT: Index 0123456789
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# CHECK: [0,0] DeeeER . . . imull %edx, %ecx
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# CHECK-NEXT: [0,1] D=eeeeeeeeER . . lzcntw (%rsp), %cx
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# CHECK-NEXT: [0,2] .D=eeeeeeeeER . . lzcntw 2(%rsp), %cx
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# CHECK-NEXT: [1,0] .D=========eeeER . imull %edx, %ecx
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# CHECK-NEXT: [1,1] . D=eeeeeeeeE--R . lzcntw (%rsp), %cx
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# CHECK-NEXT: [1,2] . D==eeeeeeeeE-R . lzcntw 2(%rsp), %cx
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# CHECK-NEXT: [2,0] . D==========eeeER imull %edx, %ecx
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# CHECK-NEXT: [2,1] . D==eeeeeeeeE---R lzcntw (%rsp), %cx
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# CHECK-NEXT: [2,2] . D==eeeeeeeeE--R lzcntw 2(%rsp), %cx
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# CHECK: Average Wait times (based on the timeline view):
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# CHECK-NEXT: [0]: Executions
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# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
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# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
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# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
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# CHECK: [0] [1] [2] [3]
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# CHECK-NEXT: 0. 3 7.3 0.3 0.0 imull %edx, %ecx
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# CHECK-NEXT: 1. 3 2.3 2.3 1.7 lzcntw (%rsp), %cx
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# CHECK-NEXT: 2. 3 2.7 2.7 1.0 lzcntw 2(%rsp), %cx
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# CHECK-NEXT: 3 4.1 1.8 0.9 <total>
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