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 0.60 IPC for this code snippet.
5# Each lzcnt has a false dependency on %ecx; the first lzcnt has to wait on the
6# imul. However, the folded load can start immediately.
7# The last lzcnt has a false dependency on %cx. However, even in this case, the
8# folded load can start immediately.
9
10imul %edx, %ecx
11lzcnt (%rsp), %cx
12lzcnt 2(%rsp), %cx
13
14# CHECK:      Iterations:        1500
15# CHECK-NEXT: Instructions:      4500
16# CHECK-NEXT: Total Cycles:      7504
17# CHECK-NEXT: Dispatch Width:    2
18# CHECK-NEXT: IPC:               0.60
19# CHECK-NEXT: Block RThroughput: 2.0
20
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)
28
29# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
30# CHECK-NEXT:  2      3     1.00                        imull	%edx, %ecx
31# CHECK-NEXT:  1      4     1.00    *                   lzcntw	(%rsp), %cx
32# CHECK-NEXT:  1      4     1.00    *                   lzcntw	2(%rsp), %cx
33
34# CHECK:      Resources:
35# CHECK-NEXT: [0]   - JALU0
36# CHECK-NEXT: [1]   - JALU1
37# CHECK-NEXT: [2]   - JDiv
38# CHECK-NEXT: [3]   - JFPA
39# CHECK-NEXT: [4]   - JFPM
40# CHECK-NEXT: [5]   - JFPU0
41# CHECK-NEXT: [6]   - JFPU1
42# CHECK-NEXT: [7]   - JLAGU
43# CHECK-NEXT: [8]   - JMul
44# CHECK-NEXT: [9]   - JSAGU
45# CHECK-NEXT: [10]  - JSTC
46# CHECK-NEXT: [11]  - JVALU0
47# CHECK-NEXT: [12]  - JVALU1
48# CHECK-NEXT: [13]  - JVIMUL
49
50# CHECK:      Resource pressure per iteration:
51# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
52# CHECK-NEXT: 1.50   1.50    -      -      -      -      -     2.00   1.00    -      -      -      -      -
53
54# CHECK:      Resource pressure by instruction:
55# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   Instructions:
56# CHECK-NEXT:  -     1.00    -      -      -      -      -      -     1.00    -      -      -      -      -     imull	%edx, %ecx
57# CHECK-NEXT: 1.00    -      -      -      -      -      -     1.00    -      -      -      -      -      -     lzcntw	(%rsp), %cx
58# CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     lzcntw	2(%rsp), %cx
59
60# CHECK:      Timeline view:
61# CHECK-NEXT:                     012345678
62# CHECK-NEXT: Index     0123456789
63
64# CHECK:      [0,0]     DeeeER    .    .  .   imull	%edx, %ecx
65# CHECK-NEXT: [0,1]     .DeeeeER  .    .  .   lzcntw	(%rsp), %cx
66# CHECK-NEXT: [0,2]     .D=eeeeER .    .  .   lzcntw	2(%rsp), %cx
67# CHECK-NEXT: [1,0]     . D====eeeER   .  .   imull	%edx, %ecx
68# CHECK-NEXT: [1,1]     .  D===eeeeER  .  .   lzcntw	(%rsp), %cx
69# CHECK-NEXT: [1,2]     .  D====eeeeER .  .   lzcntw	2(%rsp), %cx
70# CHECK-NEXT: [2,0]     .   D=======eeeER .   imull	%edx, %ecx
71# CHECK-NEXT: [2,1]     .    D======eeeeER.   lzcntw	(%rsp), %cx
72# CHECK-NEXT: [2,2]     .    D=======eeeeER   lzcntw	2(%rsp), %cx
73
74# CHECK:      Average Wait times (based on the timeline view):
75# CHECK-NEXT: [0]: Executions
76# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
77# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
78# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
79
80# CHECK:            [0]    [1]    [2]    [3]
81# CHECK-NEXT: 0.     3     4.7    0.3    0.0       imull	%edx, %ecx
82# CHECK-NEXT: 1.     3     4.0    0.3    0.0       lzcntw	(%rsp), %cx
83# CHECK-NEXT: 2.     3     5.0    0.0    0.0       lzcntw	2(%rsp), %cx
84