[clang] [clang] Lower _BitInt(129+) to a different type in LLVM IR (PR #91364)

[Mariya Podchishchaeva via cfe-commits]

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@@ -2093,17 +2107,10 @@ void CodeGenFunction::EmitStoreOfScalar(llvm::Value *Value, Address Addr,
   llvm::Type *SrcTy = Value->getType();
   if (const auto *ClangVecTy = Ty->getAs<VectorType>()) {
     auto *VecTy = dyn_cast<llvm::FixedVectorType>(SrcTy);
-    if (VecTy && ClangVecTy->isExtVectorBoolType()) {
-      auto *MemIntTy = cast<llvm::IntegerType>(Addr.getElementType());
-      // Expand to the memory bit width.
-      unsigned MemNumElems = MemIntTy->getPrimitiveSizeInBits();
-      // <N x i1> --> <P x i1>.
-      Value = emitBoolVecConversion(Value, MemNumElems, "insertvec");
-      // <P x i1> --> iP.
-      Value = Builder.CreateBitCast(Value, MemIntTy);
-    } else if (!CGM.getCodeGenOpts().PreserveVec3Type) {
+    if (!CGM.getCodeGenOpts().PreserveVec3Type) {
       // Handle vec3 special.
-      if (VecTy && cast<llvm::FixedVectorType>(VecTy)->getNumElements() == 3) {
+      if (!ClangVecTy->isExtVectorBoolType() && VecTy &&
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Fznamznon wrote:

Done.

https://github.com/llvm/llvm-project/pull/91364