95 lines
4.3 KiB
ArmAsm
95 lines
4.3 KiB
ArmAsm
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
|
|
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
|
|
|
|
# perf stat reports a throughput of 0.60 IPC for this code snippet.
|
|
|
|
# The lzcnt cannot execute in parallel with the imul because there is a false
|
|
# dependency on %bx.
|
|
|
|
imul %ax, %bx
|
|
lzcnt %ax, %bx
|
|
add %cx, %bx
|
|
|
|
# CHECK: Iterations: 1500
|
|
# CHECK-NEXT: Instructions: 4500
|
|
# CHECK-NEXT: Total Cycles: 9003
|
|
# CHECK-NEXT: Total uOps: 6000
|
|
|
|
# CHECK: Dispatch Width: 4
|
|
# CHECK-NEXT: uOps Per Cycle: 0.67
|
|
# CHECK-NEXT: IPC: 0.50
|
|
# CHECK-NEXT: Block RThroughput: 1.0
|
|
|
|
# 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 4 1.00 imulw %ax, %bx
|
|
# CHECK-NEXT: 2 2 0.50 lzcntw %ax, %bx
|
|
# CHECK-NEXT: 1 1 0.50 addw %cx, %bx
|
|
|
|
# CHECK: Resources:
|
|
# CHECK-NEXT: [0.0] - PdAGLU01
|
|
# CHECK-NEXT: [0.1] - PdAGLU01
|
|
# CHECK-NEXT: [1] - PdBranch
|
|
# CHECK-NEXT: [2] - PdCount
|
|
# CHECK-NEXT: [3] - PdDiv
|
|
# CHECK-NEXT: [4] - PdEX0
|
|
# CHECK-NEXT: [5] - PdEX1
|
|
# CHECK-NEXT: [6] - PdFPCVT
|
|
# CHECK-NEXT: [7.0] - PdFPFMA
|
|
# CHECK-NEXT: [7.1] - PdFPFMA
|
|
# CHECK-NEXT: [8.0] - PdFPMAL
|
|
# CHECK-NEXT: [8.1] - PdFPMAL
|
|
# CHECK-NEXT: [9] - PdFPMMA
|
|
# CHECK-NEXT: [10] - PdFPSTO
|
|
# CHECK-NEXT: [11] - PdFPU0
|
|
# CHECK-NEXT: [12] - PdFPU1
|
|
# CHECK-NEXT: [13] - PdFPU2
|
|
# CHECK-NEXT: [14] - PdFPU3
|
|
# CHECK-NEXT: [15] - PdFPXBR
|
|
# CHECK-NEXT: [16.0] - PdLoad
|
|
# CHECK-NEXT: [16.1] - PdLoad
|
|
# CHECK-NEXT: [17] - PdMul
|
|
# CHECK-NEXT: [18] - PdStore
|
|
|
|
# CHECK: Resource pressure per iteration:
|
|
# 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]
|
|
# CHECK-NEXT: - - - - - 1.50 1.50 - - - - - - - - - - - - - - 1.00 -
|
|
|
|
# CHECK: Resource pressure by instruction:
|
|
# 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:
|
|
# CHECK-NEXT: - - - - - - 1.00 - - - - - - - - - - - - - - 1.00 - imulw %ax, %bx
|
|
# CHECK-NEXT: - - - - - 1.00 - - - - - - - - - - - - - - - - - lzcntw %ax, %bx
|
|
# CHECK-NEXT: - - - - - 0.50 0.50 - - - - - - - - - - - - - - - - addw %cx, %bx
|
|
|
|
# CHECK: Timeline view:
|
|
# CHECK-NEXT: 0123456789
|
|
# CHECK-NEXT: Index 0123456789 0
|
|
|
|
# CHECK: [0,0] DeeeeER . . . imulw %ax, %bx
|
|
# CHECK-NEXT: [0,1] D===eeER . . . lzcntw %ax, %bx
|
|
# CHECK-NEXT: [0,2] D=====eER . . . addw %cx, %bx
|
|
# CHECK-NEXT: [1,0] .D=====eeeeER . . imulw %ax, %bx
|
|
# CHECK-NEXT: [1,1] .D========eeER . . lzcntw %ax, %bx
|
|
# CHECK-NEXT: [1,2] .D==========eER. . addw %cx, %bx
|
|
# CHECK-NEXT: [2,0] . D==========eeeeER . imulw %ax, %bx
|
|
# CHECK-NEXT: [2,1] . D=============eeER. lzcntw %ax, %bx
|
|
# CHECK-NEXT: [2,2] . D===============eER addw %cx, %bx
|
|
|
|
# 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 6.0 0.3 0.0 imulw %ax, %bx
|
|
# CHECK-NEXT: 1. 3 9.0 0.0 0.0 lzcntw %ax, %bx
|
|
# CHECK-NEXT: 2. 3 11.0 0.0 0.0 addw %cx, %bx
|