Author: Youngsuk Kim Date: 2023-11-23T11:34:59-05:00 New Revision: 10e483521a067eb5be9c844a41248e9d12e46dde
URL: https://github.com/llvm/llvm-project/commit/10e483521a067eb5be9c844a41248e9d12e46dde DIFF: https://github.com/llvm/llvm-project/commit/10e483521a067eb5be9c844a41248e9d12e46dde.diff LOG: [clang][CodeGen] Remove ptr-to-ptr bitcasts (NFC) (#73020) Opaque ptr cleanup effort Added: Modified: clang/lib/CodeGen/CGBuiltin.cpp clang/lib/CodeGen/CGStmt.cpp Removed: ################################################################################ diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 710e4c162103b41..c83ea966fdeadc6 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -5745,12 +5745,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, Address DestAddr = EmitMSVAListRef(E->getArg(0)); Address SrcAddr = EmitMSVAListRef(E->getArg(1)); - llvm::Type *BPP = Int8PtrPtrTy; - - DestAddr = Address(Builder.CreateBitCast(DestAddr.getPointer(), BPP, "cp"), - Int8PtrTy, DestAddr.getAlignment()); - SrcAddr = Address(Builder.CreateBitCast(SrcAddr.getPointer(), BPP, "ap"), - Int8PtrTy, SrcAddr.getAlignment()); + DestAddr = DestAddr.withElementType(Int8PtrTy); + SrcAddr = SrcAddr.withElementType(Int8PtrTy); Value *ArgPtr = Builder.CreateLoad(SrcAddr, "ap.val"); return RValue::get(Builder.CreateStore(ArgPtr, DestAddr)); @@ -8424,8 +8420,7 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, } Value *LdPtr = EmitScalarExpr(E->getArg(0)); - Value *Val = Builder.CreateCall(F, Builder.CreateBitCast(LdPtr, Int8PtrTy), - "ldrexd"); + Value *Val = Builder.CreateCall(F, LdPtr, "ldrexd"); Value *Val0 = Builder.CreateExtractValue(Val, 1); Value *Val1 = Builder.CreateExtractValue(Val, 0); @@ -8483,7 +8478,7 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, Value *Arg0 = Builder.CreateExtractValue(Val, 0); Value *Arg1 = Builder.CreateExtractValue(Val, 1); - Value *StPtr = Builder.CreateBitCast(EmitScalarExpr(E->getArg(1)), Int8PtrTy); + Value *StPtr = EmitScalarExpr(E->getArg(1)); return Builder.CreateCall(F, {Arg0, Arg1, StPtr}, "strexd"); } diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp index c719df1bfa05036..a7100c8fae2eff9 100644 --- a/clang/lib/CodeGen/CGStmt.cpp +++ b/clang/lib/CodeGen/CGStmt.cpp @@ -1299,8 +1299,7 @@ void CodeGenFunction::EmitReturnStmt(const ReturnStmt &S) { SLocPtr->setUnnamedAddr(llvm::GlobalValue::UnnamedAddr::Global); CGM.getSanitizerMetadata()->disableSanitizerForGlobal(SLocPtr); assert(ReturnLocation.isValid() && "No valid return location"); - Builder.CreateStore(Builder.CreateBitCast(SLocPtr, Int8PtrTy), - ReturnLocation); + Builder.CreateStore(SLocPtr, ReturnLocation); } // Returning from an outlined SEH helper is UB, and we already warn on it. _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
