[clang] [HLSL][LongVec] Add more intrinsic support (PR #222043)

[via cfe-commits]

github-actions[bot] wrote:

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

* 61388 tests passed
* 1858 tests skipped
* 1 test failed

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

### Clang
<details>
<summary>Clang.SemaHLSL/BuiltIns/ldexp-errors.hlsl</summary>

```
Exit Code: 1

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/24/include -nostdsysteminc -finclude-default-header -triple dxil-pc-shadermodel6.6-library /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl -fnative-half-type -fnative-int16-type -emit-llvm-only -disable-llvm-passes -verify
# 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/24/include -nostdsysteminc -finclude-default-header -triple dxil-pc-shadermodel6.6-library /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl -fnative-half-type -fnative-int16-type -emit-llvm-only -disable-llvm-passes -verify
# .---command stderr------------
# | error: 'expected-error' diagnostics expected but not seen: 
# |   File /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl Line 23 (directive at /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl:24): call to 'ldexp' is ambiguous
# | error: 'expected-note' diagnostics expected but not seen: 
# |   File /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include/hlsl/hlsl_inline_intrinsics_gen.inc Line * (directive at /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl:25): candidate function
# |   File /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include/hlsl/hlsl_inline_intrinsics_gen.inc Line * (directive at /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl:25): candidate function
# |   File /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include/hlsl/hlsl_inline_intrinsics_gen.inc Line * (directive at /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl:25): candidate function
# |   File /home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/clang/24/include/hlsl/hlsl_inline_intrinsics_gen.inc Line * (directive at /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/SemaHLSL/BuiltIns/ldexp-errors.hlsl:25): candidate function
# | 5 errors generated.
# `-----------------------------
# error: command failed with exit status: 1

--

```
</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/222043