[llvm] [WebAssembly, llvm] Add llvm.wasm.ref.test.func intrinsic (PR #147486)

Tue Jul 22 14:48:12 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 12 "build-stage2-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/14468

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

```
Step 12 (build-stage2-unified-tree) failure: build (failure)
...
198.379 [1165/1131/4338] Building CXX object lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyUtilities.cpp.o
198.398 [1165/1130/4339] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/ModuleMap.cpp.o
198.401 [1165/1129/4340] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/TaintTesterChecker.cpp.o
198.469 [1165/1128/4341] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/UndefResultChecker.cpp.o
198.489 [1165/1127/4342] Building CXX object tools/clang/lib/StaticAnalyzer/Core/CMakeFiles/obj.clangStaticAnalyzerCore.dir/ExprEngineC.cpp.o
198.494 [1165/1126/4343] Building CXX object lib/Target/Hexagon/CMakeFiles/LLVMHexagonCodeGen.dir/HexagonAsmPrinter.cpp.o
198.506 [1165/1125/4344] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/LLVMExegesis.dir/LatencyBenchmarkRunner.cpp.o
198.552 [1165/1124/4345] Building CXX object tools/clang/lib/StaticAnalyzer/Core/CMakeFiles/obj.clangStaticAnalyzerCore.dir/ExprEngineCXX.cpp.o
198.579 [1165/1123/4346] Building CXX object lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyRegColoring.cpp.o
198.583 [1165/1122/4347] Building CXX object lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyISelDAGToDAG.cpp.o
FAILED: lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyISelDAGToDAG.cpp.o 
ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang++ -DEXPERIMENTAL_KEY_INSTRUCTIONS -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/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/lib/Target/WebAssembly -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Target/WebAssembly -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/include -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 -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyISelDAGToDAG.cpp.o -MF lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyISelDAGToDAG.cpp.o.d -o lib/Target/WebAssembly/CMakeFiles/LLVMWebAssemblyCodeGen.dir/WebAssemblyISelDAGToDAG.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp:126:26: error: lambda capture 'DAG' is not used [-Werror,-Wunused-lambda-capture]
  126 |   auto toWasmValType = [&DAG, &DL](MVT VT) {
      |                         ~^~~~
/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Target/WebAssembly/WebAssemblyISelDAGToDAG.cpp:126:32: error: lambda capture 'DL' is not used [-Werror,-Wunused-lambda-capture]
  126 |   auto toWasmValType = [&DAG, &DL](MVT VT) {
      |                             ~~~^~
2 errors generated.
198.609 [1165/1121/4348] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/ReturnValueChecker.cpp.o
198.629 [1165/1120/4349] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/VforkChecker.cpp.o
198.648 [1165/1119/4350] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXImageOptimizer.cpp.o
198.668 [1165/1118/4351] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaOpenACCClauseAppertainment.cpp.o
198.738 [1165/1117/4352] Building CXX object lib/Target/X86/MCTargetDesc/CMakeFiles/LLVMX86Desc.dir/X86InstComments.cpp.o
198.778 [1165/1116/4353] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXCtorDtorLowering.cpp.o
198.799 [1165/1115/4354] Building CXX object tools/clang/lib/StaticAnalyzer/Core/CMakeFiles/obj.clangStaticAnalyzerCore.dir/PlistDiagnostics.cpp.o
198.804 [1165/1114/4355] Building CXX object tools/clang/lib/StaticAnalyzer/Core/CMakeFiles/obj.clangStaticAnalyzerCore.dir/CoreEngine.cpp.o
198.830 [1165/1113/4356] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseObjc.cpp.o
198.833 [1165/1112/4357] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/PPC.cpp.o
198.845 [1165/1111/4358] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/StdVariantChecker.cpp.o
198.857 [1165/1110/4359] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/ExprClassification.cpp.o
198.887 [1165/1109/4360] Building CXX object lib/Target/LoongArch/CMakeFiles/LLVMLoongArchCodeGen.dir/LoongArchMCInstLower.cpp.o
198.952 [1165/1108/4361] Building CXX object lib/Target/Hexagon/CMakeFiles/LLVMHexagonCodeGen.dir/HexagonRDFOpt.cpp.o
198.981 [1165/1107/4362] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/VLASizeChecker.cpp.o
199.129 [1165/1106/4363] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseStmt.cpp.o
199.148 [1165/1105/4364] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXAssignValidGlobalNames.cpp.o
199.169 [1165/1104/4365] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/NVPTX.cpp.o
199.171 [1165/1103/4366] Building CXX object lib/Target/BPF/CMakeFiles/LLVMBPFCodeGen.dir/BPFPreserveDIType.cpp.o
199.218 [1165/1102/4367] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/SourceManager.cpp.o
199.223 [1165/1101/4368] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/ObjCMissingSuperCallChecker.cpp.o
199.239 [1165/1100/4369] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/LLVMExegesis.dir/UopsBenchmarkRunner.cpp.o
199.243 [1165/1099/4370] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMMachineFunctionInfo.cpp.o
199.269 [1165/1098/4371] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/PatternInit.cpp.o
199.300 [1165/1097/4372] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
199.302 [1165/1096/4373] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ShuffleDecodeConstantPool.cpp.o
199.374 [1165/1095/4374] Building CXX object lib/Target/Hexagon/CMakeFiles/LLVMHexagonCodeGen.dir/HexagonVLIWPacketizer.cpp.o
199.391 [1165/1094/4375] Building CXX object lib/Target/ARM/MCTargetDesc/CMakeFiles/LLVMARMDesc.dir/ARMMCCodeEmitter.cpp.o
199.442 [1165/1093/4376] Building CXX object lib/Target/VE/MCTargetDesc/CMakeFiles/LLVMVEDesc.dir/VEMCTargetDesc.cpp.o
199.457 [1165/1092/4377] Building CXX object tools/clang/lib/AST/CMakeFiles/obj.clangAST.dir/Randstruct.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/147486