[llvm] [CodeGen] Use temp symbol for MBBs (PR #95031)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Thu Jun 20 04:38:59 PDT 2024 

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 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/638

Here is the relevant piece of the build log for the reference:
```
Step 6 (build-unified-tree) failure: build (failure)
...
3.462 [3782/58/20] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/COFFMasmParser.cpp.o
3.501 [3781/58/21] Building CXX object lib/Target/AArch64/MCTargetDesc/CMakeFiles/LLVMAArch64Desc.dir/AArch64MachObjectWriter.cpp.o
3.521 [3780/58/22] Building CXX object lib/Target/AArch64/MCTargetDesc/CMakeFiles/LLVMAArch64Desc.dir/AArch64MCExpr.cpp.o
3.566 [3779/58/23] Building CXX object lib/MC/CMakeFiles/LLVMMC.dir/MCWinCOFFStreamer.cpp.o
3.638 [3778/58/24] Building CXX object lib/MC/CMakeFiles/LLVMMC.dir/MCAsmInfo.cpp.o
3.656 [3777/58/25] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/WasmAsmParser.cpp.o
3.724 [3776/58/26] Building CXX object lib/MC/MCDisassembler/CMakeFiles/LLVMMCDisassembler.dir/Disassembler.cpp.o
3.867 [3775/58/27] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/ELFAsmParser.cpp.o
3.886 [3774/58/28] Building CXX object lib/MC/CMakeFiles/LLVMMC.dir/MCDXContainerWriter.cpp.o
3.952 [3773/58/29] Building CXX object lib/MC/CMakeFiles/LLVMMC.dir/MCContext.cpp.o
FAILED: lib/MC/CMakeFiles/LLVMMC.dir/MCContext.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -DBUILD_EXAMPLES -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/build/buildbot/premerge-monolithic-linux/build/lib/MC -I/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/MC -I/build/buildbot/premerge-monolithic-linux/build/include -I/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/MC/CMakeFiles/LLVMMC.dir/MCContext.cpp.o -MF lib/MC/CMakeFiles/LLVMMC.dir/MCContext.cpp.o.d -o lib/MC/CMakeFiles/LLVMMC.dir/MCContext.cpp.o -c /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/MC/MCContext.cpp
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/MC/MCContext.cpp:328:61: error: invalid operands to binary expression ('StringRef' and 'const Twine')
  return createRenamableSymbol(MAI->getPrivateLabelPrefix() << Name,
                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^  ~~~~
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/Twine.h:572:23: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
  inline raw_ostream &operator<<(raw_ostream &OS, const Twine &RHS) {
                      ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Support/raw_ostream.h:783:14: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
raw_ostream &operator<<(raw_ostream &OS, std::nullopt_t);
             ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Support/VersionTuple.h:191:14: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
raw_ostream &operator<<(raw_ostream &Out, const VersionTuple &V);
             ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/APInt.h:2128:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream &operator<<(raw_ostream &OS, const APInt &I) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/MC/MCInst.h:241:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream& operator<<(raw_ostream &OS, const MCOperand &MO) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/MC/MCInst.h:246:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream& operator<<(raw_ostream &OS, const MCInst &MI) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/MC/MCExpr.h:138:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream &operator<<(raw_ostream &OS, const MCExpr &E) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/MC/MCLabel.h:49:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream &operator<<(raw_ostream &OS, const MCLabel &Label) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/MC/MCSymbol.h:437:21: note: candidate function not viable: no known conversion from 'StringRef' to 'raw_ostream &' for 1st argument
inline raw_ostream &operator<<(raw_ostream &OS, const MCSymbol &Sym) {
                    ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Support/raw_ostream.h:437:1: note: candidate template ignored: requirement 'std::is_base_of_v<llvm::raw_ostream, llvm::StringRef>' was not satisfied [with OStream = StringRef, T = Twine]
operator<<(OStream &&OS, const T &Value) {
^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Support/raw_ostream.h:787:14: note: candidate template ignored: could not match 'const std::optional<T>' against 'const Twine'
raw_ostream &operator<<(raw_ostream &OS, const std::optional<T> &O) {
             ^
1 error generated.

```

https://github.com/llvm/llvm-project/pull/95031

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