xref: /llvm-project/llvm/test/tools/llvm-mca/AArch64/Cortex/A55-load-store-alias.s (revision bcc83a2e83215f998533582b55522a6e8752d899)
1# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
2# RUN: llvm-mca -mtriple=aarch64 -mcpu=cortex-a55 -timeline --iterations=3 -noalias=false < %s | FileCheck %s
3
4# PR50483: Execution of loads and stores should not overlap if flag -noalias is set to false.
5
6str x1, [x10]
7str x1, [x10]
8ldr x2, [x10]
9nop
10ldr x2, [x10]
11ldr x3, [x10]
12
13# CHECK:      Iterations:        3
14# CHECK-NEXT: Instructions:      18
15# CHECK-NEXT: Total Cycles:      31
16# CHECK-NEXT: Total uOps:        18
17
18# CHECK:      Dispatch Width:    2
19# CHECK-NEXT: uOps Per Cycle:    0.58
20# CHECK-NEXT: IPC:               0.58
21# CHECK-NEXT: Block RThroughput: 3.0
22
23# CHECK:      Instruction Info:
24# CHECK-NEXT: [1]: #uOps
25# CHECK-NEXT: [2]: Latency
26# CHECK-NEXT: [3]: RThroughput
27# CHECK-NEXT: [4]: MayLoad
28# CHECK-NEXT: [5]: MayStore
29# CHECK-NEXT: [6]: HasSideEffects (U)
30
31# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
32# CHECK-NEXT:  1      1     1.00           *            str	x1, [x10]
33# CHECK-NEXT:  1      1     1.00           *            str	x1, [x10]
34# CHECK-NEXT:  1      3     1.00    *                   ldr	x2, [x10]
35# CHECK-NEXT:  1      1     1.00    *      *      U     nop
36# CHECK-NEXT:  1      3     1.00    *                   ldr	x2, [x10]
37# CHECK-NEXT:  1      3     1.00    *                   ldr	x3, [x10]
38
39# CHECK:      Resources:
40# CHECK-NEXT: [0.0] - CortexA55UnitALU
41# CHECK-NEXT: [0.1] - CortexA55UnitALU
42# CHECK-NEXT: [1]   - CortexA55UnitB
43# CHECK-NEXT: [2]   - CortexA55UnitDiv
44# CHECK-NEXT: [3.0] - CortexA55UnitFPALU
45# CHECK-NEXT: [3.1] - CortexA55UnitFPALU
46# CHECK-NEXT: [4]   - CortexA55UnitFPDIV
47# CHECK-NEXT: [5.0] - CortexA55UnitFPMAC
48# CHECK-NEXT: [5.1] - CortexA55UnitFPMAC
49# CHECK-NEXT: [6]   - CortexA55UnitLd
50# CHECK-NEXT: [7]   - CortexA55UnitMAC
51# CHECK-NEXT: [8]   - CortexA55UnitSt
52
53# CHECK:      Resource pressure per iteration:
54# CHECK-NEXT: [0.0]  [0.1]  [1]    [2]    [3.0]  [3.1]  [4]    [5.0]  [5.1]  [6]    [7]    [8]
55# CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -     3.00    -     2.00
56
57# CHECK:      Resource pressure by instruction:
58# CHECK-NEXT: [0.0]  [0.1]  [1]    [2]    [3.0]  [3.1]  [4]    [5.0]  [5.1]  [6]    [7]    [8]    Instructions:
59# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -      -     1.00   str	x1, [x10]
60# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -      -     1.00   str	x1, [x10]
61# CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -     ldr	x2, [x10]
62# CHECK-NEXT:  -      -     1.00    -      -      -      -      -      -      -      -      -     nop
63# CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -     ldr	x2, [x10]
64# CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -     ldr	x3, [x10]
65
66# CHECK:      Timeline view:
67# CHECK-NEXT:                     0123456789          0
68# CHECK-NEXT: Index     0123456789          0123456789
69
70# CHECK:      [0,0]     DE   .    .    .    .    .    .   str	x1, [x10]
71# CHECK-NEXT: [0,1]     .DE  .    .    .    .    .    .   str	x1, [x10]
72# CHECK-NEXT: [0,2]     . DeeE    .    .    .    .    .   ldr	x2, [x10]
73# CHECK-NEXT: [0,3]     .    DE   .    .    .    .    .   nop
74# CHECK-NEXT: [0,4]     .    .DeeE.    .    .    .    .   ldr	x2, [x10]
75# CHECK-NEXT: [0,5]     .    . DeeE    .    .    .    .   ldr	x3, [x10]
76# CHECK-NEXT: [1,0]     .    .    DE   .    .    .    .   str	x1, [x10]
77# CHECK-NEXT: [1,1]     .    .    .DE  .    .    .    .   str	x1, [x10]
78# CHECK-NEXT: [1,2]     .    .    . DeeE    .    .    .   ldr	x2, [x10]
79# CHECK-NEXT: [1,3]     .    .    .    DE   .    .    .   nop
80# CHECK-NEXT: [1,4]     .    .    .    .DeeE.    .    .   ldr	x2, [x10]
81# CHECK-NEXT: [1,5]     .    .    .    . DeeE    .    .   ldr	x3, [x10]
82# CHECK-NEXT: [2,0]     .    .    .    .    DE   .    .   str	x1, [x10]
83# CHECK-NEXT: [2,1]     .    .    .    .    .DE  .    .   str	x1, [x10]
84# CHECK-NEXT: [2,2]     .    .    .    .    . DeeE    .   ldr	x2, [x10]
85# CHECK-NEXT: [2,3]     .    .    .    .    .    DE   .   nop
86# CHECK-NEXT: [2,4]     .    .    .    .    .    .DeeE.   ldr	x2, [x10]
87# CHECK-NEXT: [2,5]     .    .    .    .    .    . DeeE   ldr	x3, [x10]
88
89# CHECK:      Average Wait times (based on the timeline view):
90# CHECK-NEXT: [0]: Executions
91# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
92# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
93# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
94
95# CHECK:            [0]    [1]    [2]    [3]
96# CHECK-NEXT: 0.     3     0.0    0.0    0.0       str	x1, [x10]
97# CHECK-NEXT: 1.     3     0.0    0.0    0.0       str	x1, [x10]
98# CHECK-NEXT: 2.     3     0.0    0.0    0.0       ldr	x2, [x10]
99# CHECK-NEXT: 3.     3     0.0    0.0    0.0       nop
100# CHECK-NEXT: 4.     3     0.0    0.0    0.0       ldr	x2, [x10]
101# CHECK-NEXT: 5.     3     0.0    0.0    0.0       ldr	x3, [x10]
102# CHECK-NEXT:        3     0.0    0.0    0.0       <total>
103