1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
3
4# perf stat reports a throughput of 1.00 IPC for this code snippet.
5
6lzcnt %ax, %bx  ## partial register stall.
7
8# CHECK:      Iterations:        1500
9# CHECK-NEXT: Instructions:      1500
10# CHECK-NEXT: Total Cycles:      3003
11# CHECK-NEXT: Total uOps:        3000
12
13# CHECK:      Dispatch Width:    4
14# CHECK-NEXT: uOps Per Cycle:    1.00
15# CHECK-NEXT: IPC:               0.50
16# CHECK-NEXT: Block RThroughput: 2.0
17
18# CHECK:      Instruction Info:
19# CHECK-NEXT: [1]: #uOps
20# CHECK-NEXT: [2]: Latency
21# CHECK-NEXT: [3]: RThroughput
22# CHECK-NEXT: [4]: MayLoad
23# CHECK-NEXT: [5]: MayStore
24# CHECK-NEXT: [6]: HasSideEffects (U)
25
26# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
27# CHECK-NEXT:  2      2     2.00                        lzcntw	%ax, %bx
28
29# CHECK:      Resources:
30# CHECK-NEXT: [0.0] - PdAGLU01
31# CHECK-NEXT: [0.1] - PdAGLU01
32# CHECK-NEXT: [1]   - PdBranch
33# CHECK-NEXT: [2]   - PdCount
34# CHECK-NEXT: [3]   - PdDiv
35# CHECK-NEXT: [4]   - PdEX0
36# CHECK-NEXT: [5]   - PdEX1
37# CHECK-NEXT: [6]   - PdFPCVT
38# CHECK-NEXT: [7.0] - PdFPFMA
39# CHECK-NEXT: [7.1] - PdFPFMA
40# CHECK-NEXT: [8.0] - PdFPMAL
41# CHECK-NEXT: [8.1] - PdFPMAL
42# CHECK-NEXT: [9]   - PdFPMMA
43# CHECK-NEXT: [10]  - PdFPSTO
44# CHECK-NEXT: [11]  - PdFPU0
45# CHECK-NEXT: [12]  - PdFPU1
46# CHECK-NEXT: [13]  - PdFPU2
47# CHECK-NEXT: [14]  - PdFPU3
48# CHECK-NEXT: [15]  - PdFPXBR
49# CHECK-NEXT: [16.0] - PdLoad
50# CHECK-NEXT: [16.1] - PdLoad
51# CHECK-NEXT: [17]  - PdMul
52# CHECK-NEXT: [18]  - PdStore
53
54# CHECK:      Resource pressure per iteration:
55# 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]
56# CHECK-NEXT:  -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -
57
58# CHECK:      Resource pressure by instruction:
59# 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:
60# CHECK-NEXT:  -      -      -      -      -     2.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -      -     lzcntw	%ax, %bx
61
62# CHECK:      Timeline view:
63# CHECK-NEXT: Index     012345678
64
65# CHECK:      [0,0]     DeeER.  .   lzcntw	%ax, %bx
66# CHECK-NEXT: [1,0]     D==eeER .   lzcntw	%ax, %bx
67# CHECK-NEXT: [2,0]     .D===eeER   lzcntw	%ax, %bx
68
69# CHECK:      Average Wait times (based on the timeline view):
70# CHECK-NEXT: [0]: Executions
71# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
72# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
73# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
74
75# CHECK:            [0]    [1]    [2]    [3]
76# CHECK-NEXT: 0.     3     2.7    1.0    0.0       lzcntw	%ax, %bx
77