derek.holloway
7502bf64a4
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88 lines
3.7 KiB
ArmAsm
88 lines
3.7 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=bdver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s
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# Perf stat reports an IPC of 1.97 for this block of code.
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# The CMP instruction doesn't depend on the value of EAX. It can set the flags
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# without having to read the inputs.
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cmp %eax, %eax
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cmovae %ebx, %eax
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# CHECK: Iterations: 1500
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# CHECK-NEXT: Instructions: 3000
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# CHECK-NEXT: Total Cycles: 2253
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# CHECK-NEXT: Total uOps: 3000
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# CHECK: Dispatch Width: 4
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# CHECK-NEXT: uOps Per Cycle: 1.33
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# CHECK-NEXT: IPC: 1.33
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# CHECK-NEXT: Block RThroughput: 1.5
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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 1 1.00 cmpl %eax, %eax
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# CHECK-NEXT: 1 1 0.50 cmovael %ebx, %eax
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# CHECK: Resources:
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# CHECK-NEXT: [0.0] - PdAGLU01
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# CHECK-NEXT: [0.1] - PdAGLU01
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# CHECK-NEXT: [1] - PdBranch
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# CHECK-NEXT: [2] - PdCount
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# CHECK-NEXT: [3] - PdDiv
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# CHECK-NEXT: [4] - PdEX0
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# CHECK-NEXT: [5] - PdEX1
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# CHECK-NEXT: [6] - PdFPCVT
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# CHECK-NEXT: [7.0] - PdFPFMA
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# CHECK-NEXT: [7.1] - PdFPFMA
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# CHECK-NEXT: [8.0] - PdFPMAL
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# CHECK-NEXT: [8.1] - PdFPMAL
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# CHECK-NEXT: [9] - PdFPMMA
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# CHECK-NEXT: [10] - PdFPSTO
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# CHECK-NEXT: [11] - PdFPU0
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# CHECK-NEXT: [12] - PdFPU1
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# CHECK-NEXT: [13] - PdFPU2
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# CHECK-NEXT: [14] - PdFPU3
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# CHECK-NEXT: [15] - PdFPXBR
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# CHECK-NEXT: [16.0] - PdLoad
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# CHECK-NEXT: [16.1] - PdLoad
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# CHECK-NEXT: [17] - PdMul
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# CHECK-NEXT: [18] - PdStore
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# CHECK: Resource pressure per iteration:
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# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18]
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# CHECK-NEXT: - - - - - 1.50 1.50 - - - - - - - - - - - - - - - -
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# CHECK: Resource pressure by instruction:
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# CHECK-NEXT: [0.0] [0.1] [1] [2] [3] [4] [5] [6] [7.0] [7.1] [8.0] [8.1] [9] [10] [11] [12] [13] [14] [15] [16.0] [16.1] [17] [18] Instructions:
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# CHECK-NEXT: - - - - - 1.00 1.00 - - - - - - - - - - - - - - - - cmpl %eax, %eax
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# CHECK-NEXT: - - - - - 0.50 0.50 - - - - - - - - - - - - - - - - cmovael %ebx, %eax
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# CHECK: Timeline view:
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# CHECK-NEXT: Index 01234567
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# CHECK: [0,0] DeER . . cmpl %eax, %eax
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# CHECK-NEXT: [0,1] D==eER . cmovael %ebx, %eax
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# CHECK-NEXT: [1,0] DeE--R . cmpl %eax, %eax
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# CHECK-NEXT: [1,1] D===eER. cmovael %ebx, %eax
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# CHECK-NEXT: [2,0] .D=eE-R. cmpl %eax, %eax
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# CHECK-NEXT: [2,1] .D===eER cmovael %ebx, %eax
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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 1.3 1.3 1.0 cmpl %eax, %eax
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# CHECK-NEXT: 1. 3 3.7 0.3 0.0 cmovael %ebx, %eax
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# CHECK-NEXT: 6 2.5 0.8 0.5 <total>
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