[llvm] [CodeGen] SparseLiveVariables: A liveness analysis pass (PR #167454)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 61547 tests passed
* 1599 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>[code=1] unittests/CodeGen/CMakeFiles/CodeGenTests.dir/SparseLiveVariablesTest.cpp.obj</summary>

```
FAILED: [code=1] unittests/CodeGen/CMakeFiles/CodeGenTests.dir/SparseLiveVariablesTest.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -DLLVM_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -IC:\_work\llvm-project\llvm-project\build\unittests\CodeGen -IC:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen -IC:\_work\llvm-project\llvm-project\build\include -IC:\_work\llvm-project\llvm-project\llvm\include -IC:\_work\llvm-project\llvm-project\third-party\unittest\googletest\include -IC:\_work\llvm-project\llvm-project\third-party\unittest\googlemock\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4  -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2  -std:c++17 -MD -UNDEBUG -Wno-gnu-zero-variadic-macro-arguments /EHs-c- /GR- -Wno-suggest-override /showIncludes /Founittests\CodeGen\CMakeFiles\CodeGenTests.dir\SparseLiveVariablesTest.cpp.obj /Fdunittests\CodeGen\CMakeFiles\CodeGenTests.dir\ -c -- C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp
In file included from C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp:29:
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(3,36): error: base class has incomplete type
3 | class BogusTargetLowering : public TargetLowering {
|                             ~~~~~~~^~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/TargetSubtargetInfo.h(53,7): note: forward declaration of 'llvm::TargetLowering'
53 | class TargetLowering;
|       ^
In file included from C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp:29:
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(6,9): error: type 'TargetLowering' is not a direct or virtual base of '(anonymous namespace)::BogusTargetLowering'
6 |       : TargetLowering(TM, STI) {}
|         ^~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(9,35): error: base class has incomplete type
9 | class BogusFrameLowering : public TargetFrameLowering {
|                            ~~~~~~~^~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/TargetSubtargetInfo.h(51,7): note: forward declaration of 'llvm::TargetFrameLowering'
51 | class TargetFrameLowering;
|       ^
In file included from C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp:29:
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(15,51): error: only virtual member functions can be marked 'override'
15 |                     MachineBasicBlock &MBB) const override {}
|                                                   ^~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(17,51): error: only virtual member functions can be marked 'override'
17 |                     MachineBasicBlock &MBB) const override {}
|                                                   ^~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(20,51): error: only virtual member functions can be marked 'override'
20 |   bool hasFPImpl(const MachineFunction &MF) const override { return false; }
|                                                   ^~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(12,29): error: incomplete type 'llvm::TargetFrameLowering' named in nested name specifier
12 |       : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(4), 4) {}
|                             ^~~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/TargetSubtargetInfo.h(51,7): note: forward declaration of 'llvm::TargetFrameLowering'
51 | class TargetFrameLowering;
|       ^
In file included from C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp:29:
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(76,37): error: base class has incomplete type
76 | class BogusTargetInstrInfo : public TargetInstrInfo {
|                              ~~~~~~~^~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/CodeGen/MachineMemOperand.h(37,7): note: forward declaration of 'llvm::TargetInstrInfo'
37 | class TargetInstrInfo;
|       ^
In file included from C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\SparseLiveVariablesTest.cpp:29:
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(80,28): error: type 'TargetInstrInfo' is not a direct or virtual base of '(anonymous namespace)::BogusTargetInstrInfo'
80 |   BogusTargetInstrInfo() : TargetInstrInfo(RegInfo) {}
|                            ^~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\unittests\CodeGen\MFCommon.inc(148,3): error: unknown type name 'MachineModuleInfo'
148 |   MachineModuleInfo MMI(TM);
|   ^
10 errors generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/167454