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getArgAsExpr already returns Expr *.

getArgAsExpr already returns Expr *.
@llvmbot llvmbot added clang Clang issues not falling into any other category clang:frontend Language frontend issues, e.g. anything involving "Sema" labels Jul 15, 2025
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llvmbot commented Jul 15, 2025

@llvm/pr-subscribers-clang

Author: Kazu Hirata (kazutakahirata)

Changes

getArgAsExpr already returns Expr *.


Full diff: https://github.com/llvm/llvm-project/pull/148871.diff

4 Files Affected:

  • (modified) clang/lib/Sema/SemaDeclAttr.cpp (+1-1)
  • (modified) clang/lib/Sema/SemaM68k.cpp (+1-1)
  • (modified) clang/lib/Sema/SemaMSP430.cpp (+1-1)
  • (modified) clang/lib/Sema/SemaType.cpp (+1-1)
diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp
index 5f481ed1f7139..78f4804202ddc 100644
--- a/clang/lib/Sema/SemaDeclAttr.cpp
+++ b/clang/lib/Sema/SemaDeclAttr.cpp
@@ -6247,7 +6247,7 @@ static void handleInterruptAttr(Sema &S, Decl *D, const ParsedAttr &AL) {
 
 static void handleLayoutVersion(Sema &S, Decl *D, const ParsedAttr &AL) {
   uint32_t Version;
-  Expr *VersionExpr = static_cast<Expr *>(AL.getArgAsExpr(0));
+  Expr *VersionExpr = AL.getArgAsExpr(0);
   if (!S.checkUInt32Argument(AL, AL.getArgAsExpr(0), Version))
     return;
 
diff --git a/clang/lib/Sema/SemaM68k.cpp b/clang/lib/Sema/SemaM68k.cpp
index f091827092f83..7a4fcbdb99a99 100644
--- a/clang/lib/Sema/SemaM68k.cpp
+++ b/clang/lib/Sema/SemaM68k.cpp
@@ -32,7 +32,7 @@ void SemaM68k::handleInterruptAttr(Decl *D, const ParsedAttr &AL) {
 
   // FIXME: Check for decl - it should be void ()(void).
 
-  Expr *NumParamsExpr = static_cast<Expr *>(AL.getArgAsExpr(0));
+  Expr *NumParamsExpr = AL.getArgAsExpr(0);
   auto MaybeNumParams = NumParamsExpr->getIntegerConstantExpr(getASTContext());
   if (!MaybeNumParams) {
     Diag(AL.getLoc(), diag::err_attribute_argument_type)
diff --git a/clang/lib/Sema/SemaMSP430.cpp b/clang/lib/Sema/SemaMSP430.cpp
index 5bf931e388f03..3c611f7a27e23 100644
--- a/clang/lib/Sema/SemaMSP430.cpp
+++ b/clang/lib/Sema/SemaMSP430.cpp
@@ -53,7 +53,7 @@ void SemaMSP430::handleInterruptAttr(Decl *D, const ParsedAttr &AL) {
     return;
   }
 
-  Expr *NumParamsExpr = static_cast<Expr *>(AL.getArgAsExpr(0));
+  Expr *NumParamsExpr = AL.getArgAsExpr(0);
   std::optional<llvm::APSInt> NumParams = llvm::APSInt(32);
   if (!(NumParams = NumParamsExpr->getIntegerConstantExpr(getASTContext()))) {
     Diag(AL.getLoc(), diag::err_attribute_argument_type)
diff --git a/clang/lib/Sema/SemaType.cpp b/clang/lib/Sema/SemaType.cpp
index bb114aff2366b..7dbd4bb0ed125 100644
--- a/clang/lib/Sema/SemaType.cpp
+++ b/clang/lib/Sema/SemaType.cpp
@@ -6533,7 +6533,7 @@ static void HandleAddressSpaceTypeAttribute(QualType &Type,
       return;
     }
 
-    Expr *ASArgExpr = static_cast<Expr *>(Attr.getArgAsExpr(0));
+    Expr *ASArgExpr = Attr.getArgAsExpr(0);
     LangAS ASIdx;
     if (!BuildAddressSpaceIndex(S, ASIdx, ASArgExpr, Attr.getLoc())) {
       Attr.setInvalid();

@kazutakahirata kazutakahirata merged commit 91ee01f into llvm:main Jul 15, 2025
12 checks passed
@kazutakahirata kazutakahirata deleted the cleanup_20250715_cast_clang_Sema branch July 15, 2025 23:52
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llvm-ci commented Jul 16, 2025

LLVM Buildbot has detected a new failure on builder clang-aarch64-sve-vls running on linaro-g3-04 while building clang at step 14 "test-suite".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/143/builds/9310

Here is the relevant piece of the build log for the reference
Step 14 (test-suite) failure: test (failure)
...
    Building Fortran object CMakeFiles/cmTC_d23c6.dir/testFortranCompiler.f.o
    /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1.install/bin/flang   -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -O3  -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/build/CMakeFiles/CMakeScratch/TryCompile-XfuHXJ/testFortranCompiler.f -o CMakeFiles/cmTC_d23c6.dir/testFortranCompiler.f.o
    Linking Fortran executable cmTC_d23c6
    /usr/local/bin/cmake -E cmake_link_script CMakeFiles/cmTC_d23c6.dir/link.txt --verbose=1
    /home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1.install/bin/flang -mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -O3  CMakeFiles/cmTC_d23c6.dir/testFortranCompiler.f.o -o cmTC_d23c6 
    flang-21: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
    /usr/bin/ld: cannot find -lflang_rt.runtime: No such file or directory
    flang-21: error: linker command failed with exit code 1 (use -v to see invocation)
    gmake[1]: *** [CMakeFiles/cmTC_d23c6.dir/build.make:99: cmTC_d23c6] Error 1
    gmake[1]: Leaving directory '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/build/CMakeFiles/CMakeScratch/TryCompile-XfuHXJ'
    gmake: *** [Makefile:127: cmTC_d23c6/fast] Error 2
    
    

  

  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:16 (enable_language)


-- Configuring incomplete, errors occurred!
Traceback (most recent call last):
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/bin/lnt", line 33, in <module>
    sys.exit(load_entry_point('LNT', 'console_scripts', 'lnt')())
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/sandbox/lib/python3.10/site-packages/click-6.7-py3.10.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/lnt/lnt/tests/test_suite.py", line 1189, in cli_action
    results = test_suite.run_test(test_suite.opts)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/lnt/lnt/tests/test_suite.py", line 291, in run_test
    self._configure_if_needed()
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/lnt/lnt/tests/test_suite.py", line 367, in _configure_if_needed
    self._configure(self._base_path)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/lnt/lnt/tests/test_suite.py", line 556, in _configure
    self._check_call(cmake_cmd, cwd=path)
  File "/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/lnt/lnt/tests/test_suite.py", line 417, in _check_call
    return subprocess.check_call(*args, **kwargs)
  File "/usr/lib/python3.10/subprocess.py", line 369, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['/usr/local/bin/cmake', '-DCMAKE_C_COMPILER:FILEPATH=/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1.install/bin/clang', '-DCMAKE_CXX_COMPILER:FILEPATH=/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1.install/bin/clang++', '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/test/test-suite', '-DCMAKE_C_FLAGS=-mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -O3', '-DCMAKE_C_FLAGS_DEBUG=', '-DCMAKE_C_FLAGS_MINSIZEREL=', '-DCMAKE_C_FLAGS_RELEASE=', '-DCMAKE_C_FLAGS_RELWITHDEBINFO=', '-DCMAKE_CXX_FLAGS=-mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -O3', '-DCMAKE_CXX_FLAGS_DEBUG=', '-DCMAKE_CXX_FLAGS_MINSIZEREL=', '-DCMAKE_CXX_FLAGS_RELEASE=', '-DCMAKE_CXX_FLAGS_RELWITHDEBINFO=', '-DTEST_SUITE_FORTRAN:STRING=ON', '-DCMAKE_Fortran_COMPILER=/home/tcwg-buildbot/worker/clang-aarch64-sve-vls/stage1.install/bin/flang', '-DCMAKE_Fortran_FLAGS=-mcpu=neoverse-512tvb -msve-vector-bits=256 -mllvm -treat-scalable-fixed-error-as-warning=false -O3']' returned non-zero exit status 1.

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