88 lines
4.1 KiB
ArmAsm
88 lines
4.1 KiB
ArmAsm
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# 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=znver1 -iterations=1500 -timeline -timeline-max-iterations=4 < %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: 10503
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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: 0.71
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# CHECK-NEXT: IPC: 0.43
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# CHECK-NEXT: Block RThroughput: 1.3
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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 6 0.50 * lzcntw (%rsp), %cx
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# CHECK-NEXT: 2 6 0.50 * lzcntw 2(%rsp), %cx
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# CHECK: Resources:
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# CHECK-NEXT: [0] - ZnAGU0
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# CHECK-NEXT: [1] - ZnAGU1
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# CHECK-NEXT: [2] - ZnALU0
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# CHECK-NEXT: [3] - ZnALU1
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# CHECK-NEXT: [4] - ZnALU2
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# CHECK-NEXT: [5] - ZnALU3
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# CHECK-NEXT: [6] - ZnDivider
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# CHECK-NEXT: [7] - ZnFPU0
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# CHECK-NEXT: [8] - ZnFPU1
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# CHECK-NEXT: [9] - ZnFPU2
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# CHECK-NEXT: [10] - ZnFPU3
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# CHECK-NEXT: [11] - ZnMultiplier
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# CHECK: Resource pressure per iteration:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
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# CHECK-NEXT: 1.00 1.00 0.67 1.00 0.67 0.67 - - - - - 1.00
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# CHECK: Resource pressure by instruction:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions:
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# CHECK-NEXT: - - - 1.00 - - - - - - - 1.00 imull %edx, %ecx
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# CHECK-NEXT: - 1.00 0.33 - 0.33 0.33 - - - - - - lzcntw (%rsp), %cx
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# CHECK-NEXT: 1.00 - 0.33 - 0.33 0.33 - - - - - - lzcntw 2(%rsp), %cx
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# CHECK: Timeline view:
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# CHECK-NEXT: 0123456789 0
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# CHECK-NEXT: Index 0123456789 0123456789
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# CHECK: [0,0] DeeeER . . . . . imull %edx, %ecx
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# CHECK-NEXT: [0,1] DeeeeeeER . . . . . lzcntw (%rsp), %cx
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# CHECK-NEXT: [0,2] .DeeeeeeER. . . . . 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=====eeeeeeER . . . lzcntw (%rsp), %cx
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# CHECK-NEXT: [1,2] . D======eeeeeeER . . . 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===========eeeeeeER . . lzcntw (%rsp), %cx
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# CHECK-NEXT: [2,2] . D===========eeeeeeER . . lzcntw 2(%rsp), %cx
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# CHECK-NEXT: [3,0] . D=================eeeER . imull %edx, %ecx
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# CHECK-NEXT: [3,1] . D================eeeeeeER. lzcntw (%rsp), %cx
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# CHECK-NEXT: [3,2] . D=================eeeeeeER 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. 4 9.5 0.3 0.0 imull %edx, %ecx
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# CHECK-NEXT: 1. 4 9.0 0.0 0.0 lzcntw (%rsp), %cx
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# CHECK-NEXT: 2. 4 9.5 0.0 0.0 lzcntw 2(%rsp), %cx
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# CHECK-NEXT: 4 9.3 0.1 0.0 <total>
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