1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s
4 # Although both SBB are dependency breaking instructions, there is still an
5 # implicit dependency on EFLAGS which limits the ILP. So, the hardware backend
6 # can only execute one instruction per cycle.
11 # CHECK: Iterations: 1500
12 # CHECK-NEXT: Instructions: 3000
13 # CHECK-NEXT: Total Cycles: 6003
14 # CHECK-NEXT: Total uOps: 6000
16 # CHECK: Dispatch Width: 4
17 # CHECK-NEXT: uOps Per Cycle: 1.00
18 # CHECK-NEXT: IPC: 0.50
19 # CHECK-NEXT: Block RThroughput: 1.0
21 # CHECK: Instruction Info:
22 # CHECK-NEXT: [1]: #uOps
23 # CHECK-NEXT: [2]: Latency
24 # CHECK-NEXT: [3]: RThroughput
25 # CHECK-NEXT: [4]: MayLoad
26 # CHECK-NEXT: [5]: MayStore
27 # CHECK-NEXT: [6]: HasSideEffects (U)
29 # CHECK: [1] [2] [3] [4] [5] [6] Instructions:
30 # CHECK-NEXT: 2 2 0.67 sbbl %edx, %edx
31 # CHECK-NEXT: 2 2 0.67 sbbl %eax, %eax
34 # CHECK-NEXT: [0] - SBDivider
35 # CHECK-NEXT: [1] - SBFPDivider
36 # CHECK-NEXT: [2] - SBPort0
37 # CHECK-NEXT: [3] - SBPort1
38 # CHECK-NEXT: [4] - SBPort4
39 # CHECK-NEXT: [5] - SBPort5
40 # CHECK-NEXT: [6.0] - SBPort23
41 # CHECK-NEXT: [6.1] - SBPort23
43 # CHECK: Resource pressure per iteration:
44 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
45 # CHECK-NEXT: - - 1.33 1.33 - 1.33 - -
47 # CHECK: Resource pressure by instruction:
48 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
49 # CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %edx, %edx
50 # CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %eax, %eax
52 # CHECK: Timeline view:
54 # CHECK-NEXT: Index 0123456789
56 # CHECK: [0,0] DeeER. . . sbbl %edx, %edx
57 # CHECK-NEXT: [0,1] D==eeER . . sbbl %eax, %eax
58 # CHECK-NEXT: [1,0] .D===eeER . . sbbl %edx, %edx
59 # CHECK-NEXT: [1,1] .D=====eeER . sbbl %eax, %eax
60 # CHECK-NEXT: [2,0] . D======eeER . sbbl %edx, %edx
61 # CHECK-NEXT: [2,1] . D========eeER sbbl %eax, %eax
63 # CHECK: Average Wait times (based on the timeline view):
64 # CHECK-NEXT: [0]: Executions
65 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
66 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
67 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
69 # CHECK: [0] [1] [2] [3]
70 # CHECK-NEXT: 0. 3 4.0 0.3 0.0 sbbl %edx, %edx
71 # CHECK-NEXT: 1. 3 6.0 0.0 0.0 sbbl %eax, %eax