80 lines
3.4 KiB
ArmAsm
80 lines
3.4 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=btver2 -bottleneck-analysis < %s | FileCheck %s
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vmulps %xmm0, %xmm1, %xmm2
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vhaddps %xmm2, %xmm2, %xmm3
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vhaddps %xmm3, %xmm3, %xmm4
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# CHECK: Iterations: 100
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# CHECK-NEXT: Instructions: 300
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# CHECK-NEXT: Total Cycles: 211
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# CHECK-NEXT: Total uOps: 300
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# CHECK: Dispatch Width: 2
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# CHECK-NEXT: uOps Per Cycle: 1.42
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# CHECK-NEXT: IPC: 1.42
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# CHECK-NEXT: Block RThroughput: 2.0
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# CHECK: Cycles with backend pressure increase [ 40.76% ]
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# CHECK-NEXT: Throughput Bottlenecks:
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# CHECK-NEXT: Resource Pressure [ 39.34% ]
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# CHECK-NEXT: - JFPA [ 39.34% ]
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# CHECK-NEXT: - JFPU0 [ 39.34% ]
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# CHECK-NEXT: Data Dependencies: [ 1.42% ]
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# CHECK-NEXT: - Register Dependencies [ 1.42% ]
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# CHECK-NEXT: - Memory Dependencies [ 0.00% ]
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# CHECK: Critical sequence based on the simulation:
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# CHECK: Instruction Dependency Information
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# CHECK-NEXT: +----< 2. vhaddps %xmm3, %xmm3, %xmm4
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# CHECK-NEXT: |
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# CHECK-NEXT: | < loop carried >
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# CHECK-NEXT: |
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# CHECK-NEXT: | 0. vmulps %xmm0, %xmm1, %xmm2
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# CHECK-NEXT: +----> 1. vhaddps %xmm2, %xmm2, %xmm3 ## RESOURCE interference: JFPA [ probability: 73% ]
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# CHECK-NEXT: +----> 2. vhaddps %xmm3, %xmm3, %xmm4 ## REGISTER dependency: %xmm3
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# CHECK-NEXT: |
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# CHECK-NEXT: | < loop carried >
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# CHECK-NEXT: |
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# CHECK-NEXT: +----> 1. vhaddps %xmm2, %xmm2, %xmm3 ## RESOURCE interference: JFPA [ probability: 73% ]
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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 2 1.00 vmulps %xmm0, %xmm1, %xmm2
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# CHECK-NEXT: 1 4 1.00 vhaddps %xmm2, %xmm2, %xmm3
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# CHECK-NEXT: 1 4 1.00 vhaddps %xmm3, %xmm3, %xmm4
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# CHECK: Resources:
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# CHECK-NEXT: [0] - JALU0
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# CHECK-NEXT: [1] - JALU1
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# CHECK-NEXT: [2] - JDiv
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# CHECK-NEXT: [3] - JFPA
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# CHECK-NEXT: [4] - JFPM
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# CHECK-NEXT: [5] - JFPU0
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# CHECK-NEXT: [6] - JFPU1
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# CHECK-NEXT: [7] - JLAGU
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# CHECK-NEXT: [8] - JMul
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# CHECK-NEXT: [9] - JSAGU
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# CHECK-NEXT: [10] - JSTC
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# CHECK-NEXT: [11] - JVALU0
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# CHECK-NEXT: [12] - JVALU1
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# CHECK-NEXT: [13] - JVIMUL
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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] [12] [13]
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# CHECK-NEXT: - - - 2.00 1.00 2.00 1.00 - - - - - - -
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# CHECK: Resource pressure by instruction:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
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# CHECK-NEXT: - - - - 1.00 - 1.00 - - - - - - - vmulps %xmm0, %xmm1, %xmm2
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# CHECK-NEXT: - - - 1.00 - 1.00 - - - - - - - - vhaddps %xmm2, %xmm2, %xmm3
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# CHECK-NEXT: - - - 1.00 - 1.00 - - - - - - - - vhaddps %xmm3, %xmm3, %xmm4
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