1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s
4 # Perf stat reports an IPC of 1.97 for this block of code.
6 # The CMP instruction doesn't depend on the value of EAX. It can set the flags
7 # without having to read the inputs.
12 # CHECK: Iterations: 1500
13 # CHECK-NEXT: Instructions: 3000
14 # CHECK-NEXT: Total Cycles: 3003
15 # CHECK-NEXT: Dispatch Width: 2
16 # CHECK-NEXT: IPC: 1.00
17 # CHECK-NEXT: Block RThroughput: 1.0
19 # CHECK: Instruction Info:
20 # CHECK-NEXT: [1]: #uOps
21 # CHECK-NEXT: [2]: Latency
22 # CHECK-NEXT: [3]: RThroughput
23 # CHECK-NEXT: [4]: MayLoad
24 # CHECK-NEXT: [5]: MayStore
25 # CHECK-NEXT: [6]: HasSideEffects (U)
27 # CHECK: [1] [2] [3] [4] [5] [6] Instructions:
28 # CHECK-NEXT: 1 1 0.50 cmpl %eax, %eax
29 # CHECK-NEXT: 1 1 0.50 cmovael %ebx, %eax
32 # CHECK-NEXT: [0] - JALU0
33 # CHECK-NEXT: [1] - JALU1
34 # CHECK-NEXT: [2] - JDiv
35 # CHECK-NEXT: [3] - JFPA
36 # CHECK-NEXT: [4] - JFPM
37 # CHECK-NEXT: [5] - JFPU0
38 # CHECK-NEXT: [6] - JFPU1
39 # CHECK-NEXT: [7] - JLAGU
40 # CHECK-NEXT: [8] - JMul
41 # CHECK-NEXT: [9] - JSAGU
42 # CHECK-NEXT: [10] - JSTC
43 # CHECK-NEXT: [11] - JVALU0
44 # CHECK-NEXT: [12] - JVALU1
45 # CHECK-NEXT: [13] - JVIMUL
47 # CHECK: Resource pressure per iteration:
48 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]
49 # CHECK-NEXT: 1.00 1.00 - - - - - - - - - - - -
51 # CHECK: Resource pressure by instruction:
52 # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
53 # CHECK-NEXT: - 1.00 - - - - - - - - - - - - cmpl %eax, %eax
54 # CHECK-NEXT: 1.00 - - - - - - - - - - - - - cmovael %ebx, %eax
56 # CHECK: Timeline view:
57 # CHECK-NEXT: Index 012345678
59 # CHECK: [0,0] DeER . . cmpl %eax, %eax
60 # CHECK-NEXT: [0,1] D=eER. . cmovael %ebx, %eax
61 # CHECK-NEXT: [1,0] .D=eER . cmpl %eax, %eax
62 # CHECK-NEXT: [1,1] .D==eER . cmovael %ebx, %eax
63 # CHECK-NEXT: [2,0] . D==eER. cmpl %eax, %eax
64 # CHECK-NEXT: [2,1] . D===eER cmovael %ebx, %eax
66 # CHECK: Average Wait times (based on the timeline view):
67 # CHECK-NEXT: [0]: Executions
68 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
69 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
70 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
72 # CHECK: [0] [1] [2] [3]
73 # CHECK-NEXT: 0. 3 2.0 0.3 0.0 cmpl %eax, %eax
74 # CHECK-NEXT: 1. 3 3.0 0.0 0.0 cmovael %ebx, %eax