[compiler-rt] [clang] [libcxx] [llvm] fix python SyntaxWarnings in check-all output (PR #72538)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Georgios Eleftheriou (eleftg)

<details>
<summary>Changes</summary>

by converting the offending strings to raw

@<!-- -->lattner 

---
Full diff: https://github.com/llvm/llvm-project/pull/72538.diff


4 Files Affected:

- (modified) clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py (+1-1) 
- (modified) compiler-rt/test/lit.common.cfg.py (+3-3) 
- (modified) libcxx/utils/libcxx/test/params.py (+2-2) 
- (modified) llvm/test/lit.cfg.py (+1-1) 


``````````diff
diff --git a/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py b/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
index dafb332961ede86..7671f9691c09610 100755
--- a/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
+++ b/clang/lib/Tooling/DumpTool/generate_cxx_src_locs.py
@@ -25,7 +25,7 @@ def __init__(self, templateClasses):
 
     def GeneratePrologue(self):
 
-        self.implementationContent += """
+        self.implementationContent += r"""
 /*===- Generated file -------------------------------------------*- C++ -*-===*\
 |*                                                                            *|
 |* Introspection of available AST node SourceLocations                        *|
diff --git a/compiler-rt/test/lit.common.cfg.py b/compiler-rt/test/lit.common.cfg.py
index 230efd580199cb6..7a91558d515420f 100644
--- a/compiler-rt/test/lit.common.cfg.py
+++ b/compiler-rt/test/lit.common.cfg.py
@@ -800,7 +800,7 @@ def is_windows_lto_supported():
         config.substitutions.append(
             (
                 "%ld_flags_rpath_exe" + postfix,
-                "-Wl,-z,origin -Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec"
+                r"-Wl,-z,origin -Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec"
                 + postfix,
             )
         )
@@ -809,7 +809,7 @@ def is_windows_lto_supported():
         config.substitutions.append(
             (
                 "%ld_flags_rpath_exe" + postfix,
-                "-Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec" + postfix,
+                r"-Wl,-rpath,\$ORIGIN -L%T -l%xdynamiclib_namespec" + postfix,
             )
         )
         config.substitutions.append(("%ld_flags_rpath_so" + postfix, ""))
@@ -817,7 +817,7 @@ def is_windows_lto_supported():
         config.substitutions.append(
             (
                 "%ld_flags_rpath_exe" + postfix,
-                "-Wl,-R\$ORIGIN -L%T -l%xdynamiclib_namespec" + postfix,
+                r"-Wl,-R\$ORIGIN -L%T -l%xdynamiclib_namespec" + postfix,
             )
         )
         config.substitutions.append(("%ld_flags_rpath_so" + postfix, ""))
diff --git a/libcxx/utils/libcxx/test/params.py b/libcxx/utils/libcxx/test/params.py
index e31130572df6576..3fedbf972c0c822 100644
--- a/libcxx/utils/libcxx/test/params.py
+++ b/libcxx/utils/libcxx/test/params.py
@@ -114,7 +114,7 @@ def getStdFlag(cfg, std):
         ),
         actions=lambda std: [
             AddFeature(std),
-            AddSubstitution("%{cxx_std}", re.sub("\+", "x", std)),
+            AddSubstitution("%{cxx_std}", re.sub(r"\+", "x", std)),
             AddCompileFlag(lambda cfg: getStdFlag(cfg, std)),
         ],
     ),
@@ -187,7 +187,7 @@ def getStdFlag(cfg, std):
                 AddFeature("stdlib={}".format(stdlib)),
                 # Also add an umbrella feature 'stdlib=libc++' for all flavors of libc++, to simplify
                 # the test suite.
-                AddFeature("stdlib=libc++") if re.match(".+-libc\+\+", stdlib) else None,
+                AddFeature("stdlib=libc++") if re.match(r".+-libc\+\+", stdlib) else None,
             ],
         ),
     ),
diff --git a/llvm/test/lit.cfg.py b/llvm/test/lit.cfg.py
index f3b49a398e76062..8319093408020fc 100644
--- a/llvm/test/lit.cfg.py
+++ b/llvm/test/lit.cfg.py
@@ -271,7 +271,7 @@ def ptxas_version(ptxas):
     ptxas_cmd = subprocess.Popen([ptxas, "--version"], stdout=subprocess.PIPE)
     ptxas_out = ptxas_cmd.stdout.read().decode("ascii")
     ptxas_cmd.wait()
-    match = re.search("release (\d+)\.(\d+)", ptxas_out)
+    match = re.search(r"release (\d+)\.(\d+)", ptxas_out)
     if match:
         return (int(match.group(1)), int(match.group(2)))
     print("couldn't determine ptxas version")

``````````

</details>


https://github.com/llvm/llvm-project/pull/72538