1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
2# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -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:      1503
11# CHECK-NEXT: Total uOps:        1500
12
13# CHECK:      Dispatch Width:    2
14# CHECK-NEXT: uOps Per Cycle:    1.00
15# CHECK-NEXT: IPC:               1.00
16# CHECK-NEXT: Block RThroughput: 0.5
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:  1      1     0.50                        lzcntw	%ax, %bx
28
29# CHECK:      Resources:
30# CHECK-NEXT: [0]   - JALU0
31# CHECK-NEXT: [1]   - JALU1
32# CHECK-NEXT: [2]   - JDiv
33# CHECK-NEXT: [3]   - JFPA
34# CHECK-NEXT: [4]   - JFPM
35# CHECK-NEXT: [5]   - JFPU0
36# CHECK-NEXT: [6]   - JFPU1
37# CHECK-NEXT: [7]   - JLAGU
38# CHECK-NEXT: [8]   - JMul
39# CHECK-NEXT: [9]   - JSAGU
40# CHECK-NEXT: [10]  - JSTC
41# CHECK-NEXT: [11]  - JVALU0
42# CHECK-NEXT: [12]  - JVALU1
43# CHECK-NEXT: [13]  - JVIMUL
44
45# CHECK:      Resource pressure per iteration:
46# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
47# CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -
48
49# CHECK:      Resource pressure by instruction:
50# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   Instructions:
51# CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -     lzcntw	%ax, %bx
52
53# CHECK:      Timeline view:
54# CHECK-NEXT: Index     012345
55
56# CHECK:      [0,0]     DeER .   lzcntw	%ax, %bx
57# CHECK-NEXT: [1,0]     D=eER.   lzcntw	%ax, %bx
58# CHECK-NEXT: [2,0]     .D=eER   lzcntw	%ax, %bx
59
60# CHECK:      Average Wait times (based on the timeline view):
61# CHECK-NEXT: [0]: Executions
62# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
63# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
64# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
65
66# CHECK:            [0]    [1]    [2]    [3]
67# CHECK-NEXT: 0.     3     1.7    0.3    0.0       lzcntw	%ax, %bx
68