[llvm] Reland "[amdgpu] Add llvm.amdgcn.init.whole.wave intrinsic" (#108054)" (PR #108173)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ml-opt-dev-x86-64` running on `ml-opt-dev-x86-64-b2` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/137/builds/5098

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/AMDGPU/si-init-whole-wave.mir' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
RUN: at line 2: /b/ml-opt-dev-x86-64-b1/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o -  /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir | /b/ml-opt-dev-x86-64-b1/build/bin/FileCheck /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
+ /b/ml-opt-dev-x86-64-b1/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o - /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
+ /b/ml-opt-dev-x86-64-b1/build/bin/FileCheck /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /b/ml-opt-dev-x86-64-b1/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o - /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
 #0 0x000055c03bbd6808 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0x3f32808)
 #1 0x000055c03bbd3bec SignalHandler(int) Signals.cpp:0:0
 #2 0x00007fef5e552140 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x13140)
 #3 0x000055c038ef3ce0 llvm::SIInstrInfo::fixImplicitOperands(llvm::MachineInstr&) const crtstuff.c:0:0
 #4 0x000055c038e53dd9 llvm::GCNSubtarget::mirFileLoaded(llvm::MachineFunction&) const crtstuff.c:0:0
 #5 0x000055c03b2f0e75 llvm::MIRParserImpl::initializeMachineFunction(llvm::yaml::MachineFunction const&, llvm::MachineFunction&) (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0x364ce75)
 #6 0x000055c03b2f38a8 llvm::MIRParserImpl::parseMachineFunction(llvm::Module&, llvm::MachineModuleInfo&, llvm::AnalysisManager<llvm::Module>*) (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0x364f8a8)
 #7 0x000055c03b2f3b7c llvm::MIRParser::parseMachineFunctions(llvm::Module&, llvm::MachineModuleInfo&) (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0x364fb7c)
 #8 0x000055c038881470 compileModule(char**, llvm::LLVMContext&) llc.cpp:0:0
 #9 0x000055c038776526 main (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0xad2526)
#10 0x00007fef5e03ed7a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x23d7a)
#11 0x000055c0388780da _start (/b/ml-opt-dev-x86-64-b1/build/bin/llc+0xbd40da)
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /b/ml-opt-dev-x86-64-b1/build/bin/FileCheck /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/108173