[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 `premerge-monolithic-linux` running on `premerge-linux-1` while building `llvm` at step 7 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/8653

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

```
Step 7 (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: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o -  /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir | /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
+ /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o - /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
+ /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck /build/buildbot/premerge-monolithic-linux/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: /build/buildbot/premerge-monolithic-linux/build/bin/llc -mtriple=amdgcn -mcpu=gfx1200 -verify-machineinstrs -run-pass si-wqm -o - /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir
 #0 0x00005acc1c770868 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:13
 #1 0x00005acc1c76e39e llvm::sys::RunSignalHandlers() /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #2 0x00005acc1c770f18 SignalHandler(int) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/Unix/Signals.inc:413:1
 #3 0x00007d4f68bc4520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00005acc1a2cc2b9 isReg /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/CodeGen/MachineOperand.h:329:38
 #5 0x00005acc1a2cc2b9 llvm::SIInstrInfo::fixImplicitOperands(llvm::MachineInstr&) const /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp:8948:12
 #6 0x00005acc1a19c4ca isSentinel /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/ilist_node_base.h:44:36
 #7 0x00005acc1a19c4ca isSentinel /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/ilist_node.h:153:28
 #8 0x00005acc1a19c4ca isEnd /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:207:50
 #9 0x00005acc1a19c4ca getBundleFinal<llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineInstr, true, true, void, false, void>, false, false> > /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/CodeGen/MachineInstrBundleIterator.h:62:12
#10 0x00005acc1a19c4ca increment<llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineInstr, true, true, void, false, void>, false, false> > /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/CodeGen/MachineInstrBundleIterator.h:70:19
#11 0x00005acc1a19c4ca operator++ /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/CodeGen/MachineInstrBundleIterator.h:260:5
#12 0x00005acc1a19c4ca llvm::GCNSubtarget::mirFileLoaded(llvm::MachineFunction&) const /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/AMDGPU/GCNSubtarget.cpp:352:21
#13 0x00005acc1bedd423 llvm::MIRParserImpl::initializeMachineFunction(llvm::yaml::MachineFunction const&, llvm::MachineFunction&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/CodeGen/MIRParser/MIRParser.cpp:0:21
#14 0x00005acc1bedc672 llvm::MIRParserImpl::parseMachineFunction(llvm::Module&, llvm::MachineModuleInfo&, llvm::AnalysisManager<llvm::Module>*) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/CodeGen/MIRParser/MIRParser.cpp:0:0
#15 0x00005acc1bee26c0 parseMachineFunctions /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/CodeGen/MIRParser/MIRParser.cpp:288:9
#16 0x00005acc1bee26c0 llvm::MIRParser::parseMachineFunctions(llvm::Module&, llvm::MachineModuleInfo&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/CodeGen/MIRParser/MIRParser.cpp:1121:16
#17 0x00005acc19b4bf15 compileModule /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/tools/llc/llc.cpp:0:16
#18 0x00005acc19b4bf15 main /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/tools/llc/llc.cpp:412:22
#19 0x00007d4f68babd90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#20 0x00007d4f68babe40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#21 0x00005acc19b45aa5 _start (/build/buildbot/premerge-monolithic-linux/build/bin/llc+0x4062aa5)
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /build/buildbot/premerge-monolithic-linux/build/bin/FileCheck /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/test/CodeGen/AMDGPU/si-init-whole-wave.mir

--

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


```

</details>

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