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Differential D85559 Diff 284076 clang/lib/CodeGen/CGAtomic.cpp

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clang/lib/CodeGen/CGAtomic.cpp

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static RValue emitAtomicLibcall(CodeGenFunction &CGF, static RValue emitAtomicLibcall(CodeGenFunction &CGF,
StringRef fnName, StringRef fnName,
QualType resultType, QualType resultType,
CallArgList &args) { CallArgList &args) {
const CGFunctionInfo &fnInfo = const CGFunctionInfo &fnInfo =
CGF.CGM.getTypes().arrangeBuiltinFunctionCall(resultType, args); CGF.CGM.getTypes().arrangeBuiltinFunctionCall(resultType, args);
llvm::FunctionType *fnTy = CGF.CGM.getTypes().GetFunctionType(fnInfo); llvm::FunctionType *fnTy = CGF.CGM.getTypes().GetFunctionType(fnInfo);
llvm::FunctionCallee fn = CGF.CGM.CreateRuntimeFunction(fnTy, fnName); llvm::AttributeList fnAttrs;
fnAttrs = fnAttrs.addAttribute(CGF.getLLVMContext(),
llvm::AttributeList::FunctionIndex,
llvm::Attribute::NoUnwind);
llvm::FunctionCallee fn =
CGF.CGM.CreateRuntimeFunction(fnTy, fnName, fnAttrs);
eugenisUnsubmitted
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This needs a clang test, and better move it to a separate change.

eugenis: This needs a clang test, and better move it to a separate change.
auto callee = CGCallee::forDirect(fn); auto callee = CGCallee::forDirect(fn);
return CGF.EmitCall(fnInfo, callee, ReturnValueSlot(), args); return CGF.EmitCall(fnInfo, callee, ReturnValueSlot(), args);
} }
/// Does a store of the given IR type modify the full expected width? /// Does a store of the given IR type modify the full expected width?
static bool isFullSizeType(CodeGenModule &CGM, llvm::Type *type, static bool isFullSizeType(CodeGenModule &CGM, llvm::Type *type,
uint64_t expectedSize) { uint64_t expectedSize) {
return (CGM.getDataLayout().getTypeStoreSize(type) * 8 == expectedSize); return (CGM.getDataLayout().getTypeStoreSize(type) * 8 == expectedSize);
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