================
@@ -2520,15 +2519,47 @@ RValue CIRGenFunction::emitBuiltinExpr(const GlobalDecl
&gd, unsigned builtinID,
}
return RValue::get(dest.getPointer());
}
+ case Builtin::BI__builtin_trivially_relocate:
+ case Builtin::BImemmove:
+ case Builtin::BI__builtin_memmove: {
+ mlir::Location loc = getLoc(e->getSourceRange());
+ Address dest = emitPointerWithAlignment(e->getArg(0));
+ Address src = emitPointerWithAlignment(e->getArg(1));
+ mlir::Value sizeVal = emitScalarExpr(e->getArg(2));
+ if (builtinIDIfNoAsmLabel == Builtin::BI__builtin_trivially_relocate) {
+ QualType eltTy = e->getArg(0)->getType()->getPointeeType();
+ CharUnits eltSize = getContext().getTypeSizeInChars(eltTy);
+ mlir::Value eltSizeVal =
+ builder.getConstInt(loc, sizeVal.getType(), eltSize.getQuantity());
+ sizeVal = builder.createMul(loc, sizeVal, eltSizeVal);
+ }
+ emitNonNullArgCheck(RValue::get(dest.getPointer()),
e->getArg(0)->getType(),
+ e->getArg(0)->getExprLoc(), fd, 0);
+ emitNonNullArgCheck(RValue::get(src.getPointer()), e->getArg(1)->getType(),
+ e->getArg(1)->getExprLoc(), fd, 1);
+ assert(!cir::MissingFeatures::sanitizers());
+ Address destCast = dest.withElementType(builder, cgm.voidTy);
+ Address srcCast = src.withElementType(builder, cgm.voidTy);
+ builder.createMemMove(loc, destCast, srcCast, sizeVal);
+ assert(!cir::MissingFeatures::generateDebugInfo());
+ return RValue::get(dest.getPointer());
+ }
+ case Builtin::BImemset:
+ case Builtin::BI__builtin_memset: {
+ Address dest = emitPointerWithAlignment(e->getArg(0));
+ mlir::Value byteVal = builder.createIntCast(emitScalarExpr(e->getArg(1)),
+ builder.getUInt8Ty());
+ mlir::Value sizeVal = emitScalarExpr(e->getArg(2));
+ emitNonNullArgCheck(RValue::get(dest.getPointer()),
e->getArg(0)->getType(),
+ e->getArg(0)->getExprLoc(), fd, 0);
+ builder.createMemSet(getLoc(e->getSourceRange()), dest, byteVal, sizeVal);
+ assert(!cir::MissingFeatures::generateDebugInfo());
+ return RValue::get(dest.getPointer());
+ }
case Builtin::BI__builtin_memcpy_inline:
case Builtin::BI__builtin___memcpy_chk:
case Builtin::BI__builtin_objc_memmove_collectable:
case Builtin::BI__builtin___memmove_chk:
- case Builtin::BI__builtin_trivially_relocate:
----------------
steffenlarsen wrote:
Thanks! I was not aware of this, so I worry a few reorderings have made it in
under my supervision. I'll try and do a sweep of these to see if we can recover
the original ordering as an NFC.
https://github.com/llvm/llvm-project/pull/227667
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