[llvm] [IR] Add llvm.masked.load.first.fault intrinsic (PR #156470)

[via llvm-commits]

github-actions[bot] wrote:

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

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

<details>
<summary>[code=1] lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/ScalarizeMaskedMemIntrin.cpp.obj</summary>

```
FAILED: [code=1] lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/ScalarizeMaskedMemIntrin.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -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_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib\Transforms\Scalar -IC:\_work\llvm-project\llvm-project\llvm\lib\Transforms\Scalar -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\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  -MD -UNDEBUG /EHs-c- /GR- -std:c++17 /showIncludes /Folib\Transforms\Scalar\CMakeFiles\LLVMScalarOpts.dir\ScalarizeMaskedMemIntrin.cpp.obj /Fdlib\Transforms\Scalar\CMakeFiles\LLVMScalarOpts.dir\LLVMScalarOpts.pdb -c -- C:\_work\llvm-project\llvm-project\llvm\lib\Transforms\Scalar\ScalarizeMaskedMemIntrin.cpp
C:\_work\llvm-project\llvm-project\llvm\lib\Transforms\Scalar\ScalarizeMaskedMemIntrin.cpp(1065,15): error: call to member function 'CreateExtractElement' is ambiguous
1065 |       Builder.CreateExtractElement(Mask, 0ul, Twine("first.active"));
|       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2549,10): note: candidate function
2549 |   Value *CreateExtractElement(Value *Vec, Value *Idx,
|          ^
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2556,10): note: candidate function
2556 |   Value *CreateExtractElement(Value *Vec, uint64_t Idx,
|          ^
C:\_work\llvm-project\llvm-project\llvm\lib\Transforms\Scalar\ScalarizeMaskedMemIntrin.cpp(1082,32): error: call to member function 'CreateInsertElement' is ambiguous
1082 |   Value *OneLaneData = Builder.CreateInsertElement(PoisonData, Load, 0ul);
|                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2571,10): note: candidate function
2571 |   Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
|          ^
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2578,10): note: candidate function
2578 |   Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
|          ^
C:\_work\llvm-project\llvm-project\llvm\lib\Transforms\Scalar\ScalarizeMaskedMemIntrin.cpp(1083,32): error: call to member function 'CreateInsertElement' is ambiguous
1083 |   Value *OneLaneMask = Builder.CreateInsertElement(
|                        ~~~~~~~~^~~~~~~~~~~~~~~~~~~
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2571,10): note: candidate function
2571 |   Value *CreateInsertElement(Value *Vec, Value *NewElt, Value *Idx,
|          ^
C:\_work\llvm-project\llvm-project\llvm\include\llvm/IR/IRBuilder.h(2578,10): note: candidate function
2578 |   Value *CreateInsertElement(Value *Vec, Value *NewElt, uint64_t Idx,
|          ^
3 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/156470