[llvm] [SandboxIR] Add more functions to sandboxir:Instruction class. (PR #110050)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx-nvidia-ubuntu` running on `as-builder-7` while building `llvm` at step 6 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/180/builds/5786

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM-Unit :: SandboxIR/./SandboxIRTests/32/131' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests-LLVM-Unit-1342298-32-131.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=131 GTEST_SHARD_INDEX=32 /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests
--

Script:
--
/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests --gtest_filter=SandboxIRTest.Instruction
--
warning: ignoring debug info with an invalid version (0) in <string>
/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1871: Failure
Expected equality of these values:
  I0->getOpcodeName()
    Which is: 0x7d60015a7b4b
  "Add"
    Which is: 0x5ef5c9d4670d

/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1872: Failure
Expected equality of these values:
  I1->getOpcodeName()
    Which is: 0x7d60015a7b54
  "Sub"
    Which is: 0x5ef5c9d476b6

/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1873: Failure
Expected equality of these values:
  Ret->getOpcodeName()
    Which is: 0x7d60015a79ff
  "Ret"
    Which is: 0x5ef5c9d4683b

/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1875: Failure
Expected equality of these values:
  sandboxir::Instruction::getOpcodeName( sandboxir::Instruction::Opcode::Alloca)
    Which is: 0x7d60015a7a9d
  "Alloca"
    Which is: 0x5ef5c9d476ef


/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1871
Expected equality of these values:
  I0->getOpcodeName()
    Which is: 0x7d60015a7b4b
  "Add"
    Which is: 0x5ef5c9d4670d

/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/llvm-project/llvm/unittests/SandboxIR/SandboxIRTest.cpp:1872
Expected equality of these values:
  I1->getOpcodeName()
...

```

</details>

https://github.com/llvm/llvm-project/pull/110050