[clang] [Clang] Fixes builtin_bswapg builtin for bool type (PR #179177)
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Sun Feb 1 23:33:56 PST 2026
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``````````bash
git-clang-format --diff origin/main HEAD --extensions c,cpp -- clang/lib/AST/ByteCode/InterpBuiltin.cpp clang/lib/AST/ExprConstant.cpp clang/lib/Sema/SemaChecking.cpp clang/test/AST/ByteCode/builtin-functions.cpp clang/test/CodeGen/builtins.c clang/test/CodeGenCXX/builtins.cpp clang/test/Sema/constant-builtins-2.c clang/test/Sema/constant-builtins.c clang/test/SemaCXX/builtin-bswapg.cpp --diff_from_common_commit
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 22a299f43..9fe759664 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -2249,7 +2249,8 @@ static bool BuiltinBswapg(Sema &S, CallExpr *TheCall) {
return true;
}
if (const auto *BT = dyn_cast<BitIntType>(ArgTy)) {
- if (BT->getNumBits() % 16 != 0 && BT->getNumBits() != 8 && BT->getNumBits() != 1) {
+ if (BT->getNumBits() % 16 != 0 && BT->getNumBits() != 8 &&
+ BT->getNumBits() != 1) {
S.Diag(Arg->getBeginLoc(), diag::err_bswapg_invalid_bit_width)
<< ArgTy << BT->getNumBits();
return true;
``````````
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https://github.com/llvm/llvm-project/pull/179177
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