[llvm] [SandboxIR] Add more Instruction member functions (PR #98588)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-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/160/builds/1768

Here is the relevant piece of the build log for the reference:
```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM-Unit :: SandboxIR/./SandboxIRTests/7/8' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests-LLVM-Unit-3864293-7-8.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=8 GTEST_SHARD_INDEX=7 /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests
--

Note: This is test shard 8 of 8.
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from SandboxIRTest
[ RUN      ] SandboxIRTest.Instruction
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  libLLVMSupport.so.19.0git     0x00007286bc04cc70 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 240
1  libLLVMSupport.so.19.0git     0x00007286bc04a08f llvm::sys::RunSignalHandlers() + 47
2  libLLVMSupport.so.19.0git     0x00007286bc04a1e5
3  libc.so.6                     0x00007286bb842520
4  libLLVMCore.so.19.0git        0x00007286bc41d582 llvm::Instruction::eraseFromParent() + 18
5  libLLVMSandboxIR.so.19.0git   0x00007286bc77710e llvm::sandboxir::Instruction::eraseFromParent() + 206
6  SandboxIRTests                0x0000633bdc279016
7  libllvm_gtest.so.19.0git      0x00007286bc152cd3
8  libllvm_gtest.so.19.0git      0x00007286bc161702 testing::TestInfo::Run() + 722
9  libllvm_gtest.so.19.0git      0x00007286bc161ca1
10 libllvm_gtest.so.19.0git      0x00007286bc170eea testing::internal::UnitTestImpl::RunAllTests() + 2842
11 libllvm_gtest.so.19.0git      0x00007286bc151bbf testing::UnitTest::Run() + 143
12 libllvm_gtest_main.so.19.0git 0x00007286bc19dbba main + 106
13 libc.so.6                     0x00007286bb829d90
14 libc.so.6                     0x00007286bb829e40 __libc_start_main + 128
15 SandboxIRTests                0x0000633bdc26b785

--
exit: -11
--
shard JSON output does not exist: /home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/unittests/SandboxIR/./SandboxIRTests-LLVM-Unit-3864293-7-8.json
********************


```

https://github.com/llvm/llvm-project/pull/98588