[clang] [CIR][X86]Implement handling for convert-half builtins (PR #173143)

Sat, 20 Dec 2025 00:55:24 -0800 

github-actions[bot] wrote:

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

* 86076 tests passed
* 753 tests skipped
* 2 tests failed

## Failed Tests
(click on a test name to see its output)

### Clang
<details>
<summary>Clang.CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c</summary>

```
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# executed command: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# .---command stderr------------
# | clang: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Casting.h:560:
 decltype(auto) llvm::cast(const From &) [To = cir::IntType, From = 
mlir::Type]: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible 
type!"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ 
and include the crash backtrace, preprocessed source, and associated run script.
# | Stack dump:
# | 0.  Program arguments: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# | 1.  <eof> parser at end of file
# |  #0 0x0000000009964df8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:842:13
# |  #1 0x0000000009962505 llvm::sys::RunSignalHandlers() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Signals.cpp:109:18
# |  #2 0x0000000009965bc1 SignalHandler(int, siginfo_t*, void*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:429:38
# |  #3 0x00007da61a779330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
# |  #4 0x00007da61a7d2b2c pthread_kill 
(/lib/x86_64-linux-gnu/libc.so.6+0x9eb2c)
# |  #5 0x00007da61a77927e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4527e)
# |  #6 0x00007da61a75c8ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
# |  #7 0x00007da61a75c81b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
# |  #8 0x00007da61a76f517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
# |  #9 0x000000000aafe038 getMaskVecValue(clang::CIRGen::CIRGenBuilderTy&, 
mlir::Location, mlir::Value, unsigned int) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:0:0
# | #10 0x000000000aafe427 emitX86Select(clang::CIRGen::CIRGenBuilderTy&, 
mlir::Location, mlir::Value, mlir::Value, mlir::Value) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:181:8
# | #11 0x000000000aafbfa0 
clang::CIRGen::CIRGenFunction::emitX86BuiltinExpr(unsigned int, clang::CallExpr 
const*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:0:0
# | #12 0x000000000aaf3ce0 
clang::CIRGen::CIRGenFunction::emitTargetBuiltinExpr(unsigned int, 
clang::CallExpr const*, clang::CIRGen::ReturnValueSlot&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp:1463:1
# | #13 0x000000000aaef346 
clang::CIRGen::CIRGenFunction::emitBuiltinExpr(clang::GlobalDecl const&, 
unsigned int, clang::CallExpr const*, clang::CIRGen::ReturnValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp:1365:34
# | #14 0x000000000aae4706 
clang::CIRGen::CIRGenFunction::emitCallExpr(clang::CallExpr const*, 
clang::CIRGen::ReturnValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExpr.cpp:2082:5
# | #15 0x000000000ab2b222 isScalar 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenValue.h:49:41
# | #16 0x000000000ab2b222 getValue 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenValue.h:58:5
# | #17 0x000000000ab2b222 (anonymous 
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:2325:32
# | #18 0x000000000ab2e022 Visit 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:130:57
# | #19 0x000000000ab2e022 (anonymous 
namespace)::ScalarExprEmitter::VisitCastExpr(clang::CastExpr*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:2063:23
# | #20 0x000000000ab21d95 
clang::CIRGen::CIRGenFunction::emitScalarExpr(clang::Expr const*, bool) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:1635:3
# | #21 0x000000000ab7915b operator bool 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Value.h:100:43
# | #22 0x000000000ab7915b 
clang::CIRGen::CIRGenFunction::emitReturnStmt(clang::ReturnStmt 
const&)::$_0::operator()() const 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:598:13
# | #23 0x000000000ab78a83 
clang::CIRGen::CIRGenFunction::emitReturnStmt(clang::ReturnStmt const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:620:3
# | #24 0x000000000ab76aac clang::CIRGen::CIRGenFunction::emitStmt(clang::Stmt 
const*, bool, llvm::ArrayRef<clang::Attr const*>) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:0:23
# | #25 0x000000000ab769e3 
clang::CIRGen::CIRGenFunction::emitCompoundStmtWithoutScope(clang::CompoundStmt 
const&, clang::CIRGen::Address*, clang::CIRGen::AggValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:81:11
# | #26 0x000000000ab349df emitFunctionBody 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenFunction.cpp:646:12
# | #27 0x000000000ab349df 
clang::CIRGen::CIRGenFunction::generateCode(clang::GlobalDecl, cir::FuncOp, 
cir::FuncType) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenFunction.cpp:764:24
# | #28 0x000000000ab3b748 isSet 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:337:40
# | #29 0x000000000ab3b748 restoreInsertionPoint 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:391:12
# | #30 0x000000000ab3b748 ~InsertionGuard 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:355:18
# | #31 0x000000000ab3b748 
clang::CIRGen::CIRGenModule::emitGlobalFunctionDefinition(clang::GlobalDecl, 
mlir::Operation*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:460:3
# | #32 0x000000000ab3a9cf 
clang::CIRGen::CIRGenModule::emitGlobalDefinition(clang::GlobalDecl, 
mlir::Operation*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:956:5
# | #33 0x000000000ab3a579 
clang::CIRGen::CIRGenModule::emitGlobalDecl(clang::GlobalDecl const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:328:1
# | #34 0x000000000ab3ab44 __normal_iterator 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_iterator.h:1077:20
# | #35 0x000000000ab3ab44 begin 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:884:16
# | #36 0x000000000ab3ab44 empty 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:1089:16
# | #37 0x000000000ab3ab44 clang::CIRGen::CIRGenModule::emitDeferred() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:354:30
# | #38 0x000000000ab4338f clang::CIRGen::CIRGenModule::release() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:2588:3
# | #39 0x000000000a9ac970 
cir::CIRGenConsumer::HandleTranslationUnit(clang::ASTContext&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/FrontendAction/CIRGenAction.cpp:103:10
# | #40 0x000000000cc47949 __normal_iterator 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_iterator.h:1077:20
# | #41 0x000000000cc47949 begin 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:874:16
# | #42 0x000000000cc47949 
finalize<std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, 
std::default_delete<clang::TemplateInstantiationCallback> >, 
std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, 
std::default_delete<clang::TemplateInstantiationCallback> > > > > 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/include/clang/Sema/TemplateInstCallback.h:54:16
# | #43 0x000000000cc47949 clang::ParseAST(clang::Sema&, bool, bool) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Parse/ParseAST.cpp:190:3
# | #44 0x000000000a63ab56 clang::FrontendAction::Execute() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1316:10
# | #45 0x000000000a5a1e2d getPtr 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Error.h:278:42
# | #46 0x000000000a5a1e2d operator bool 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Error.h:241:16
# | #47 0x000000000a5a1e2d 
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1003:23
# | #48 0x000000000a72d6df 
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:310:25
# | #49 0x0000000006cba989 cc1_main(llvm::ArrayRef<char const*>, char const*, 
void*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/cc1_main.cpp:304:15
# | #50 0x0000000006cb6725 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, 
llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/driver.cpp:225:12
# | #51 0x0000000006cb578d clang_main(int, char**, llvm::ToolContext const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/driver.cpp:268:12
# | #52 0x0000000006cc67b7 main 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/driver/clang-driver.cpp:17:10
# | #53 0x00007da61a75e1ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
# | #54 0x00007da61a75e28b __libc_start_main 
(/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
# | #55 0x0000000006cb4165 _start 
(/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang+0x6cb4165)
# `-----------------------------
# error: command failed with exit status: -6

--

```
</details>
<details>
<summary>Clang.CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c</summary>

```
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 1
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# executed command: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# .---command stderr------------
# | clang: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Casting.h:560:
 decltype(auto) llvm::cast(const From &) [To = cir::IntType, From = 
mlir::Type]: Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible 
type!"' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ 
and include the crash backtrace, preprocessed source, and associated run script.
# | Stack dump:
# | 0.  Program arguments: 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang -cc1 
-internal-isystem 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/22/include
 -nostdsysteminc -flax-vector-conversions=none -ffreestanding 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/CodeGenBuiltins/X86/avx512vlbf16-builtins.c
 -triple=x86_64-unknown-linux -target-feature +avx512f -target-feature 
+avx512vl -target-feature +avx512bf16 -fclangir -emit-cir -o 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/test/CIR/CodeGenBuiltins/X86/Output/avx512vlbf16-builtins.c.tmp.cir
 -Wall -Werror -Wsign-conversion
# | 1.  <eof> parser at end of file
# |  #0 0x0000000009964df8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:842:13
# |  #1 0x0000000009962505 llvm::sys::RunSignalHandlers() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Signals.cpp:109:18
# |  #2 0x0000000009965bc1 SignalHandler(int, siginfo_t*, void*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Support/Unix/Signals.inc:429:38
# |  #3 0x00007c15bfacd330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
# |  #4 0x00007c15bfb26b2c pthread_kill 
(/lib/x86_64-linux-gnu/libc.so.6+0x9eb2c)
# |  #5 0x00007c15bfacd27e raise (/lib/x86_64-linux-gnu/libc.so.6+0x4527e)
# |  #6 0x00007c15bfab08ff abort (/lib/x86_64-linux-gnu/libc.so.6+0x288ff)
# |  #7 0x00007c15bfab081b (/lib/x86_64-linux-gnu/libc.so.6+0x2881b)
# |  #8 0x00007c15bfac3517 (/lib/x86_64-linux-gnu/libc.so.6+0x3b517)
# |  #9 0x000000000aafe038 getMaskVecValue(clang::CIRGen::CIRGenBuilderTy&, 
mlir::Location, mlir::Value, unsigned int) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:0:0
# | #10 0x000000000aafe427 emitX86Select(clang::CIRGen::CIRGenBuilderTy&, 
mlir::Location, mlir::Value, mlir::Value, mlir::Value) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:181:8
# | #11 0x000000000aafbfa0 
clang::CIRGen::CIRGenFunction::emitX86BuiltinExpr(unsigned int, clang::CallExpr 
const*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltinX86.cpp:0:0
# | #12 0x000000000aaf3ce0 
clang::CIRGen::CIRGenFunction::emitTargetBuiltinExpr(unsigned int, 
clang::CallExpr const*, clang::CIRGen::ReturnValueSlot&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp:1463:1
# | #13 0x000000000aaef346 
clang::CIRGen::CIRGenFunction::emitBuiltinExpr(clang::GlobalDecl const&, 
unsigned int, clang::CallExpr const*, clang::CIRGen::ReturnValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenBuiltin.cpp:1365:34
# | #14 0x000000000aae4706 
clang::CIRGen::CIRGenFunction::emitCallExpr(clang::CallExpr const*, 
clang::CIRGen::ReturnValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExpr.cpp:2082:5
# | #15 0x000000000ab2b222 isScalar 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenValue.h:49:41
# | #16 0x000000000ab2b222 getValue 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenValue.h:58:5
# | #17 0x000000000ab2b222 (anonymous 
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:2325:32
# | #18 0x000000000ab2e022 Visit 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:130:57
# | #19 0x000000000ab2e022 (anonymous 
namespace)::ScalarExprEmitter::VisitCastExpr(clang::CastExpr*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:2063:23
# | #20 0x000000000ab21d95 
clang::CIRGen::CIRGenFunction::emitScalarExpr(clang::Expr const*, bool) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenExprScalar.cpp:1635:3
# | #21 0x000000000ab7915b operator bool 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Value.h:100:43
# | #22 0x000000000ab7915b 
clang::CIRGen::CIRGenFunction::emitReturnStmt(clang::ReturnStmt 
const&)::$_0::operator()() const 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:598:13
# | #23 0x000000000ab78a83 
clang::CIRGen::CIRGenFunction::emitReturnStmt(clang::ReturnStmt const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:620:3
# | #24 0x000000000ab76aac clang::CIRGen::CIRGenFunction::emitStmt(clang::Stmt 
const*, bool, llvm::ArrayRef<clang::Attr const*>) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:0:23
# | #25 0x000000000ab769e3 
clang::CIRGen::CIRGenFunction::emitCompoundStmtWithoutScope(clang::CompoundStmt 
const&, clang::CIRGen::Address*, clang::CIRGen::AggValueSlot) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenStmt.cpp:81:11
# | #26 0x000000000ab349df emitFunctionBody 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenFunction.cpp:646:12
# | #27 0x000000000ab349df 
clang::CIRGen::CIRGenFunction::generateCode(clang::GlobalDecl, cir::FuncOp, 
cir::FuncType) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenFunction.cpp:764:24
# | #28 0x000000000ab3b748 isSet 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:337:40
# | #29 0x000000000ab3b748 restoreInsertionPoint 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:391:12
# | #30 0x000000000ab3b748 ~InsertionGuard 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/../mlir/include/mlir/IR/Builders.h:355:18
# | #31 0x000000000ab3b748 
clang::CIRGen::CIRGenModule::emitGlobalFunctionDefinition(clang::GlobalDecl, 
mlir::Operation*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:460:3
# | #32 0x000000000ab3a9cf 
clang::CIRGen::CIRGenModule::emitGlobalDefinition(clang::GlobalDecl, 
mlir::Operation*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:956:5
# | #33 0x000000000ab3a579 
clang::CIRGen::CIRGenModule::emitGlobalDecl(clang::GlobalDecl const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:328:1
# | #34 0x000000000ab3ab44 __normal_iterator 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_iterator.h:1077:20
# | #35 0x000000000ab3ab44 begin 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:884:16
# | #36 0x000000000ab3ab44 empty 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:1089:16
# | #37 0x000000000ab3ab44 clang::CIRGen::CIRGenModule::emitDeferred() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:354:30
# | #38 0x000000000ab4338f clang::CIRGen::CIRGenModule::release() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/CodeGen/CIRGenModule.cpp:2588:3
# | #39 0x000000000a9ac970 
cir::CIRGenConsumer::HandleTranslationUnit(clang::ASTContext&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/CIR/FrontendAction/CIRGenAction.cpp:103:10
# | #40 0x000000000cc47949 __normal_iterator 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_iterator.h:1077:20
# | #41 0x000000000cc47949 begin 
/usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/stl_vector.h:874:16
# | #42 0x000000000cc47949 
finalize<std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, 
std::default_delete<clang::TemplateInstantiationCallback> >, 
std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, 
std::default_delete<clang::TemplateInstantiationCallback> > > > > 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/include/clang/Sema/TemplateInstCallback.h:54:16
# | #43 0x000000000cc47949 clang::ParseAST(clang::Sema&, bool, bool) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Parse/ParseAST.cpp:190:3
# | #44 0x000000000a63ab56 clang::FrontendAction::Execute() 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1316:10
# | #45 0x000000000a5a1e2d getPtr 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Error.h:278:42
# | #46 0x000000000a5a1e2d operator bool 
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Support/Error.h:241:16
# | #47 0x000000000a5a1e2d 
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1003:23
# | #48 0x000000000a72d6df 
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:310:25
# | #49 0x0000000006cba989 cc1_main(llvm::ArrayRef<char const*>, char const*, 
void*) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/cc1_main.cpp:304:15
# | #50 0x0000000006cb6725 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&, 
llvm::ToolContext const&, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/driver.cpp:225:12
# | #51 0x0000000006cb578d clang_main(int, char**, llvm::ToolContext const&) 
/home/gha/actions-runner/_work/llvm-project/llvm-project/clang/tools/driver/driver.cpp:268:12
# | #52 0x0000000006cc67b7 main 
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/driver/clang-driver.cpp:17:10
# | #53 0x00007c15bfab21ca (/lib/x86_64-linux-gnu/libc.so.6+0x2a1ca)
# | #54 0x00007c15bfab228b __libc_start_main 
(/lib/x86_64-linux-gnu/libc.so.6+0x2a28b)
# | #55 0x0000000006cb4165 _start 
(/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/clang+0x6cb4165)
# `-----------------------------
# error: command failed with exit status: -6

--

```
</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/173143
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