[NFC][X86][MCA] AMD Zen 3: add tests with non-eliminatible MMX moves

In Zen3, MMX moves are *not* eliminated,
i've verified this with llvm-exegesis.

diff --git a/llvm/test/tools/llvm-mca/X86/Znver3/reg-move-elimination-mmx.s b/llvm/test/tools/llvm-mca/X86/Znver3/reg-move-elimination-mmx.s
new file mode 100644 (file)
index 0000000..e6b3509
--- /dev/null
+++ b/llvm/test/tools/llvm-mca/X86/Znver3/reg-move-elimination-mmx.s
@@ -0,0 +1,123 @@
+# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
+# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver3 -iterations=1 -timeline -register-file-stats < %s | FileCheck %s
+
+movq %mm0, %mm1
+movq %mm1, %mm2
+movq %mm2, %mm3
+movq %mm3, %mm4
+movq %mm4, %mm5
+movq %mm5, %mm6
+movq %mm6, %mm7
+movq %mm7, %mm0
+
+# CHECK:      Iterations:        1
+# CHECK-NEXT: Instructions:      8
+# CHECK-NEXT: Total Cycles:      11
+# CHECK-NEXT: Total uOps:        8
+
+# CHECK:      Dispatch Width:    6
+# CHECK-NEXT: uOps Per Cycle:    0.73
+# CHECK-NEXT: IPC:               0.73
+# CHECK-NEXT: Block RThroughput: 2.0
+
+# CHECK:      Instruction Info:
+# CHECK-NEXT: [1]: #uOps
+# CHECK-NEXT: [2]: Latency
+# CHECK-NEXT: [3]: RThroughput
+# CHECK-NEXT: [4]: MayLoad
+# CHECK-NEXT: [5]: MayStore
+# CHECK-NEXT: [6]: HasSideEffects (U)
+
+# CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
+# CHECK-NEXT:  1      1     0.25                        movq   %mm0, %mm1
+# CHECK-NEXT:  1      1     0.25                        movq   %mm1, %mm2
+# CHECK-NEXT:  1      1     0.25                        movq   %mm2, %mm3
+# CHECK-NEXT:  1      1     0.25                        movq   %mm3, %mm4
+# CHECK-NEXT:  1      1     0.25                        movq   %mm4, %mm5
+# CHECK-NEXT:  1      1     0.25                        movq   %mm5, %mm6
+# CHECK-NEXT:  1      1     0.25                        movq   %mm6, %mm7
+# CHECK-NEXT:  1      1     0.25                        movq   %mm7, %mm0
+
+# CHECK:      Register File statistics:
+# CHECK-NEXT: Total number of mappings created:    8
+# CHECK-NEXT: Max number of mappings used:         8
+
+# CHECK:      *  Register File #1 -- Zn3FpPRF:
+# CHECK-NEXT:    Number of physical registers:     160
+# CHECK-NEXT:    Total number of mappings created: 8
+# CHECK-NEXT:    Max number of mappings used:      8
+
+# CHECK:      *  Register File #2 -- Zn3IntegerPRF:
+# CHECK-NEXT:    Number of physical registers:     192
+# CHECK-NEXT:    Total number of mappings created: 0
+# CHECK-NEXT:    Max number of mappings used:      0
+
+# CHECK:      Resources:
+# CHECK-NEXT: [0]   - Zn3AGU0
+# CHECK-NEXT: [1]   - Zn3AGU1
+# CHECK-NEXT: [2]   - Zn3AGU2
+# CHECK-NEXT: [3]   - Zn3ALU0
+# CHECK-NEXT: [4]   - Zn3ALU1
+# CHECK-NEXT: [5]   - Zn3ALU2
+# CHECK-NEXT: [6]   - Zn3ALU3
+# CHECK-NEXT: [7]   - Zn3BRU1
+# CHECK-NEXT: [8]   - Zn3FPP0
+# CHECK-NEXT: [9]   - Zn3FPP1
+# CHECK-NEXT: [10]  - Zn3FPP2
+# CHECK-NEXT: [11]  - Zn3FPP3
+# CHECK-NEXT: [12.0] - Zn3FPP45
+# CHECK-NEXT: [12.1] - Zn3FPP45
+# CHECK-NEXT: [13]  - Zn3FPSt
+# CHECK-NEXT: [14.0] - Zn3LSU
+# CHECK-NEXT: [14.1] - Zn3LSU
+# CHECK-NEXT: [14.2] - Zn3LSU
+# CHECK-NEXT: [15.0] - Zn3Load
+# CHECK-NEXT: [15.1] - Zn3Load
+# CHECK-NEXT: [15.2] - Zn3Load
+# CHECK-NEXT: [16.0] - Zn3Store
+# CHECK-NEXT: [16.1] - Zn3Store
+
+# CHECK:      Resource pressure per iteration:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12.0] [12.1] [13]   [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1]
+# CHECK-NEXT:  -      -      -      -      -      -      -      -     2.00   2.00   2.00   2.00    -      -      -      -      -      -      -      -      -      -      -
+
+# CHECK:      Resource pressure by instruction:
+# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12.0] [12.1] [13]   [14.0] [14.1] [14.2] [15.0] [15.1] [15.2] [16.0] [16.1] Instructions:
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -     movq    %mm0, %mm1
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm1, %mm2
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm2, %mm3
+# CHECK-NEXT:  -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm3, %mm4
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -     movq    %mm4, %mm5
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm5, %mm6
+# CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm6, %mm7
+# CHECK-NEXT:  -      -      -      -      -      -      -      -     1.00    -      -      -      -      -      -      -      -      -      -      -      -      -      -     movq    %mm7, %mm0
+
+# CHECK:      Timeline view:
+# CHECK-NEXT:                     0
+# CHECK-NEXT: Index     0123456789
+
+# CHECK:      [0,0]     DeER .    .   movq     %mm0, %mm1
+# CHECK-NEXT: [0,1]     D=eER.    .   movq     %mm1, %mm2
+# CHECK-NEXT: [0,2]     D==eER    .   movq     %mm2, %mm3
+# CHECK-NEXT: [0,3]     D===eER   .   movq     %mm3, %mm4
+# CHECK-NEXT: [0,4]     D====eER  .   movq     %mm4, %mm5
+# CHECK-NEXT: [0,5]     D=====eER .   movq     %mm5, %mm6
+# CHECK-NEXT: [0,6]     .D=====eER.   movq     %mm6, %mm7
+# CHECK-NEXT: [0,7]     .D======eER   movq     %mm7, %mm0
+
+# CHECK:      Average Wait times (based on the timeline view):
+# CHECK-NEXT: [0]: Executions
+# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
+# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
+# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
+
+# CHECK:            [0]    [1]    [2]    [3]
+# CHECK-NEXT: 0.     1     1.0    1.0    0.0       movq        %mm0, %mm1
+# CHECK-NEXT: 1.     1     2.0    0.0    0.0       movq        %mm1, %mm2
+# CHECK-NEXT: 2.     1     3.0    0.0    0.0       movq        %mm2, %mm3
+# CHECK-NEXT: 3.     1     4.0    0.0    0.0       movq        %mm3, %mm4
+# CHECK-NEXT: 4.     1     5.0    0.0    0.0       movq        %mm4, %mm5
+# CHECK-NEXT: 5.     1     6.0    0.0    0.0       movq        %mm5, %mm6
+# CHECK-NEXT: 6.     1     6.0    0.0    0.0       movq        %mm6, %mm7
+# CHECK-NEXT: 7.     1     7.0    0.0    0.0       movq        %mm7, %mm0
+# CHECK-NEXT:        1     4.3    0.1    0.0       <total>