[llvm] [KnownFPClass] Add support for non-intrinsic math libcalls (PR #216234)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

The build failed before running any tests. Click on a failure below to see the details.

<details>
<summary>lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o</summary>

```
FAILED: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o
sccache /opt/llvm/bin/clang++ -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/Analysis -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Analysis -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o -MF lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o.d -o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Analysis/ValueTracking.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Analysis/ValueTracking.cpp:5780:19: error: no matching member function for call to 'getLibFunc'
5780 |       if (!Q.TLI->getLibFunc(*II, Func))
|            ~~~~~~~^~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Analysis/TargetLibraryInfo.h:356:11: note: candidate function not viable: no known conversion from 'const CallInst' to 'unsigned int' for 1st argument
356 |   LibFunc getLibFunc(unsigned int Opcode, Type *Ty) const {
|           ^          ~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Analysis/TargetLibraryInfo.h:336:11: note: candidate function not viable: requires single argument 'funcName', but 2 arguments were provided
336 |   LibFunc getLibFunc(StringRef funcName) const {
|           ^          ~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Analysis/TargetLibraryInfo.h:340:11: note: candidate function not viable: requires single argument 'FDecl', but 2 arguments were provided
340 |   LibFunc getLibFunc(const Function &FDecl) const {
|           ^          ~~~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Analysis/TargetLibraryInfo.h:346:11: note: candidate function not viable: requires single argument 'CB', but 2 arguments were provided
346 |   LibFunc getLibFunc(const CallBase &CB) const {
|           ^          ~~~~~~~~~~~~~~~~~~
1 error 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/216234