[clang] [CIR] Exploration of pipeline phases|stages (PR #234013)

[via cfe-commits]

github-actions[bot] wrote:

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

* 64876 tests passed
* 848 tests skipped
* 2 tests failed

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

### Clang
<details>
<summary>Clang.CIR/Diagnostics/inline-asm-backend-diagnostic.c</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
not /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 -triple x86_64-unknown-linux-gnu -fclangir -S -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c 2>&1 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# executed command: not /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 -triple x86_64-unknown-linux-gnu -fclangir -S -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c:4:11: error: CHECK: expected string not found in input
# | // CHECK: <inline asm>:1:10: error: unexpected token in argument list
# |           ^
# | <stdin>:1:1: note: scanning from here
# | fatal error: error in backend: IO sandbox violation
# | ^
# | <stdin>:1:2: note: possible intended match here
# | fatal error: error in backend: IO sandbox violation
# |  ^
# | 
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            1: fatal error: error in backend: IO sandbox violation 
# | check:4'0    {                                                    } search range (exclusive bounds)
# | check:4'1                                                           error: no match found in search range
# | check:4'2      ?                                                    possible intended match
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>
<details>
<summary>Clang.CIR/Diagnostics/inline-asm-backend-diagnostic.c</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
not /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 -triple x86_64-unknown-linux-gnu -fclangir -S -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c 2>&1 | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# executed command: not /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 -triple x86_64-unknown-linux-gnu -fclangir -S -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c:4:11: error: CHECK: expected string not found in input
# | // CHECK: <inline asm>:1:10: error: unexpected token in argument list
# |           ^
# | <stdin>:1:1: note: scanning from here
# | fatal error: error in backend: IO sandbox violation
# | ^
# | <stdin>:1:2: note: possible intended match here
# | fatal error: error in backend: IO sandbox violation
# |  ^
# | 
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/clang/test/CIR/Diagnostics/inline-asm-backend-diagnostic.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |            1: fatal error: error in backend: IO sandbox violation 
# | check:4'0    {                                                    } search range (exclusive bounds)
# | check:4'1                                                           error: no match found in search range
# | check:4'2      ?                                                    possible intended match
# | >>>>>>
# `-----------------------------
# 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/234013